{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103479,"usec":782442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500222,"noise_level":-24.927835,"freq_skew":3.683246,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103479,"usec":789888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687257,"noise_level":-24.821262,"freq_skew":2.528600,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103479,"usec":790175},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-14.284215,"noise_level":-24.821262,"freq_skew":2.093219,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103479,"usec":790175},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-14.284215,"noise_level":-24.821262,"freq_skew":2.093219,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103480,"usec":529161},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875923,"noise_level":-24.863379,"freq_skew":2.205030,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEF","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH039X","msg_num":"D70","msg_num_seq":"I","sublabel":"DF","msg_text":"19,57,140,013,000,021,0/2E0906,0912,57,148,011,000,023,0/2N0906,0916,57,139,014,000,021,0/2S3088,5943,010,N03,159,39,23448,2/2T3200,5983,007,N05,145,40,23449,2/2V0007,N250,03552,00320,236,203,202,0/2X2881,0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103482,"usec":65361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117085,"noise_level":-24.661057,"freq_skew":3.608472,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103482,"usec":69501},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692199,"noise_level":-24.601839,"freq_skew":1.929023,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":7.300000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103482,"usec":809286},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294315,"noise_level":-24.240601,"freq_skew":4.164837,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103482,"usec":813190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774884,"noise_level":-24.114149,"freq_skew":4.742400,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103483,"usec":575704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.016399,"noise_level":-24.017052,"freq_skew":2.330286,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103484,"usec":384553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448731,"noise_level":-23.625980,"freq_skew":5.095793,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103484,"usec":389641},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.308352,"noise_level":-24.667492,"freq_skew":3.580649,"avlc":{"src":{"addr":"489229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGIR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103484,"usec":390146},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.982951,"noise_level":-24.652637,"freq_skew":3.690888,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103485,"usec":128411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.874647,"noise_level":-24.847183,"freq_skew":3.589921,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103485,"usec":129844},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795052,"noise_level":-24.832020,"freq_skew":2.207242,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEF","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH039X","msg_num":"D70","msg_num_seq":"J","sublabel":"DF","msg_text":"0250,070,029,034,037,009,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103485,"usec":138901},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139159,"noise_level":-24.711655,"freq_skew":3.373627,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103485,"usec":894362},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380514,"noise_level":-24.544165,"freq_skew":5.210141,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103486,"usec":644758},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.617139,"noise_level":-24.284275,"freq_skew":5.058795,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103488,"usec":164460},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064493,"noise_level":-23.756073,"freq_skew":5.169378,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1,"dst_ref":59739,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[241,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103488,"usec":168570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023487,"noise_level":-23.716011,"freq_skew":4.751534,"avlc":{"src":{"addr":"73806C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103489,"usec":699818},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246184,"noise_level":-22.951269,"freq_skew":3.426103,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWE","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH03GJ","msg_num":"M78","msg_num_seq":"A","msg_text":"00059209225K,),31,(KKY,)SY3+3K+-F877*LBDWW33SHH:J353*"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103491,"usec":250048},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631190,"noise_level":-23.837946,"freq_skew":6.053088,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41817,"credit":5,"rseq":17,"variable_part_params":[{"name":"checksum","value":[166,101]},{"name":"flow_control","value":{"acked_tpdu_nr":16,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103491,"usec":251378},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334389,"noise_level":-24.958267,"freq_skew":3.817512,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41730,"credit":5,"rseq":17,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":16,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[144,98,39,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103492,"usec":6779},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.629072,"noise_level":-24.641304,"freq_skew":4.709429,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMT","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"XQ05ZP","msg_num":"M47","msg_num_seq":"A","msg_text":"081803,37000,1046, 71,N 46.386 E 11.441/SXS5ZP"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103492,"usec":18474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.204687,"noise_level":-24.479782,"freq_skew":5.028833,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103492,"usec":759281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880877,"noise_level":-24.378536,"freq_skew":1.978027,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103492,"usec":771267},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000532,"noise_level":-24.235916,"freq_skew":3.427127,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWE","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH03GJ","msg_num":"M78","msg_num_seq":"A","msg_text":"00059209225K,),31,(KKY,)SY3+3K+-F877*LBDWW33SHH:J353*"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103492,"usec":772443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005936,"noise_level":-24.479019,"freq_skew":4.526053,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103494,"usec":278726},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.256938,"noise_level":-23.970509,"freq_skew":2.632852,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LDRI"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":12.100000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103495,"usec":45766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529303,"noise_level":-23.568367,"freq_skew":4.445289,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103495,"usec":808778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303340,"noise_level":-23.184029,"freq_skew":1.391466,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103497,"usec":313933},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.300065,"noise_level":-22.661205,"freq_skew":4.395142,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1094,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45549,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[184,206]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":18,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103497,"usec":334356},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567616,"noise_level":-22.428352,"freq_skew":3.082375,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[98,204,254,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103498,"usec":869987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.110317,"noise_level":-22.223995,"freq_skew":4.595500,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103498,"usec":880492},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.411193,"noise_level":-22.112505,"freq_skew":2.582935,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103499,"usec":642584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.488985,"noise_level":-21.872154,"freq_skew":1.191184,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103500,"usec":405989},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850355,"noise_level":-22.415781,"freq_skew":3.293889,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":11.100000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103501,"usec":910871},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635985,"noise_level":-23.365974,"freq_skew":3.503509,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103501,"usec":916835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.681441,"noise_level":-23.289528,"freq_skew":4.555188,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103501,"usec":924984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439641,"noise_level":-23.188633,"freq_skew":4.125144,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[125,186,37,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103504,"usec":236890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.164818,"noise_level":-24.218672,"freq_skew":6.098140,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103505,"usec":744922},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669270,"noise_level":-24.829405,"freq_skew":3.402219,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103507,"usec":265576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.839997,"noise_level":-24.573786,"freq_skew":3.866800,"avlc":{"src":{"addr":"489229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103507,"usec":280139},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.763751,"noise_level":-24.413502,"freq_skew":3.641918,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103508,"usec":781334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950138,"noise_level":-24.842699,"freq_skew":3.656160,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103510,"usec":292645},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868581,"noise_level":-24.185589,"freq_skew":4.363007,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52019,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[213,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103511,"usec":856146},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766521,"noise_level":-23.522436,"freq_skew":4.476655,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103511,"usec":860385},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.491035,"noise_level":-23.483433,"freq_skew":3.707496,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":328,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103512,"usec":612617},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655012,"noise_level":-24.229286,"freq_skew":3.335622,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103512,"usec":620881},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375427,"noise_level":-24.144888,"freq_skew":3.948144,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41982,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[202,64,185,176]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":18,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103513,"usec":376967},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876705,"noise_level":-24.569813,"freq_skew":4.017365,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103514,"usec":905815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.538218,"noise_level":-24.335043,"freq_skew":3.546791,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103515,"usec":647414},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643835,"noise_level":-24.249619,"freq_skew":3.573470,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":328,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103515,"usec":655766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.681905,"noise_level":-24.123035,"freq_skew":3.312843,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103515,"usec":663182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.675598,"noise_level":-23.998270,"freq_skew":3.499314,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103517,"usec":976627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416942,"noise_level":-23.134296,"freq_skew":3.614746,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103524,"usec":846663},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895834,"noise_level":-20.573666,"freq_skew":3.113555,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH05MV","msg_num":"D74","msg_num_seq":"K","sublabel":"DF","msg_text":",5888,010,N00,141,40,08410,2/2V0160,0052,01632,00288,227,216,218,0/2X0881,00450,030,026,017,027,012,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103527,"usec":117756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.460949,"noise_level":-20.879230,"freq_skew":5.315722,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103530,"usec":910278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714779,"noise_level":-20.222118,"freq_skew":5.362021,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41996,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[185,247,107,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103530,"usec":924910},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875691,"noise_level":-20.107040,"freq_skew":6.294940,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":25,"dst_ref":41817,"variable_part_params":[{"name":"checksum","value":[99,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103531,"usec":711177},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711184,"noise_level":-21.226887,"freq_skew":2.351635,"avlc":{"src":{"addr":"4BCDD5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41901,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[234,110,127,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103534,"usec":739644},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791418,"noise_level":-22.189379,"freq_skew":5.031234,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126517","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,79,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103535,"usec":504337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621629,"noise_level":-22.034306,"freq_skew":5.210300,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41996,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[185,247,107,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103535,"usec":512771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.851069,"noise_level":-21.997662,"freq_skew":3.710993,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103535,"usec":518491},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195102,"noise_level":-21.921473,"freq_skew":2.364067,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103536,"usec":262582},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.017022,"noise_level":-22.032385,"freq_skew":5.020380,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[98,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103537,"usec":12327},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324823,"noise_level":-22.656113,"freq_skew":4.822801,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42038,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[161,156,170,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103537,"usec":826746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020020,"noise_level":-24.117332,"freq_skew":2.198094,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103537,"usec":836660},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829427,"noise_level":-24.114773,"freq_skew":4.558824,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47362,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[41,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103538,"usec":590211},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845145,"noise_level":-25.272362,"freq_skew":4.482798,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1655,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47362,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[165,228]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":18,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103538,"usec":592046},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588834,"noise_level":-25.256439,"freq_skew":6.128526,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":87,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103539,"usec":330263},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.260231,"noise_level":-26.228722,"freq_skew":5.138992,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103539,"usec":340136},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114670,"noise_level":-26.960396,"freq_skew":2.571579,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103540,"usec":110282},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050000,"noise_level":-26.526218,"freq_skew":4.607253,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103540,"usec":113648},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398974,"noise_level":-26.619244,"freq_skew":5.425628,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103543,"usec":130830},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217396,"noise_level":-26.571798,"freq_skew":5.132061,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103543,"usec":134561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284009,"noise_level":-26.516445,"freq_skew":3.424046,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103543,"usec":155038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.082553,"noise_level":-26.191530,"freq_skew":4.885584,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42038,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[21,60,165,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103543,"usec":879132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.408571,"noise_level":-26.120949,"freq_skew":2.303410,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103543,"usec":885632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239617,"noise_level":-26.857092,"freq_skew":4.829605,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103545,"usec":449048},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145451,"noise_level":-26.229927,"freq_skew":2.539766,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59703,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[179,9,238,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":19,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103546,"usec":982826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197092,"noise_level":-26.323214,"freq_skew":3.402090,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103546,"usec":986610},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529228,"noise_level":-26.269417,"freq_skew":4.387809,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47362,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[155,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":19,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103548,"usec":485328},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441438,"noise_level":-26.184200,"freq_skew":5.177501,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":42039,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[245,113,82,175]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103548,"usec":507856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246076,"noise_level":-26.017117,"freq_skew":5.026060,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103550,"usec":3514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032260,"noise_level":-26.835373,"freq_skew":5.979605,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103550,"usec":772077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696711,"noise_level":-26.581612,"freq_skew":4.437710,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103553,"usec":84635},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256258,"noise_level":-26.711388,"freq_skew":2.488165,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103553,"usec":86471},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425821,"noise_level":-26.673849,"freq_skew":5.219735,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42039,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[55,110,165,77]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103553,"usec":832686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639618,"noise_level":-26.599255,"freq_skew":3.777230,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":151,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103554,"usec":606276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488272,"noise_level":-26.446714,"freq_skew":5.105447,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103555,"usec":360765},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540096,"noise_level":-26.164108,"freq_skew":5.183888,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42039,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[140,59,215,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103555,"usec":372372},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911106,"noise_level":-25.954714,"freq_skew":4.766528,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103556,"usec":873356},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608505,"noise_level":-25.419823,"freq_skew":2.043139,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":7.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103556,"usec":882153},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468046,"noise_level":-25.352676,"freq_skew":3.727999,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":151,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103557,"usec":635814},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535547,"noise_level":-25.099037,"freq_skew":1.960785,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103557,"usec":643607},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646962,"noise_level":-25.098358,"freq_skew":2.189321,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":130,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":2,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103559,"usec":958962},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804623,"noise_level":-24.689569,"freq_skew":1.274727,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTCB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103560,"usec":721434},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848190,"noise_level":-24.953438,"freq_skew":3.475860,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"LH02PR","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103562,"usec":230409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056139,"noise_level":-25.258104,"freq_skew":3.877078,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103562,"usec":989902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495997,"noise_level":-25.550552,"freq_skew":3.896714,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103562,"usec":997546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485034,"noise_level":-25.419884,"freq_skew":4.944842,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103563,"usec":740048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.903349,"noise_level":-25.355282,"freq_skew":5.010651,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103564,"usec":502173},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926358,"noise_level":-24.870255,"freq_skew":5.256138,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4997,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103566,"usec":66956},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782116,"noise_level":-24.814110,"freq_skew":3.589651,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103566,"usec":68776},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913888,"noise_level":-25.503166,"freq_skew":3.578942,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103568,"usec":352177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112278,"noise_level":-24.936348,"freq_skew":3.744495,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103569,"usec":851162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.101239,"noise_level":-24.430056,"freq_skew":2.445055,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103569,"usec":858451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897972,"noise_level":-24.432194,"freq_skew":3.719260,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103570,"usec":612071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664071,"noise_level":-24.531647,"freq_skew":-0.221630,"avlc":{"src":{"addr":"511187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103572,"usec":923937},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.481467,"noise_level":-24.205656,"freq_skew":2.383029,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103572,"usec":932789},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596706,"noise_level":-25.061535,"freq_skew":3.713464,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":41730,"variable_part_params":[{"name":"atn_checksum","value":[175,94,247,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103573,"usec":690966},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741228,"noise_level":-25.492390,"freq_skew":2.172863,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":131,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,68,76,72,0,60,100,166],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103574,"usec":466911},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729711,"noise_level":-24.922972,"freq_skew":5.724855,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"LH04JP","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103575,"usec":204534},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.158153,"noise_level":-25.863440,"freq_skew":3.485499,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"LH02PR","msg_num":"M11","msg_num_seq":"A","msg_text":"64S4,J5,DDN RR4HI2Y15W233MSIS8063069-HB93M7217YTTS3RNM3491E01VBH3XIBY31G3 5THH:SS56G00X6C"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103577,"usec":483393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616597,"noise_level":-25.835503,"freq_skew":3.385679,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103578,"usec":299280},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720441,"noise_level":-25.827534,"freq_skew":3.634724,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZZ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SK086N","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103578,"usec":299280},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.720441,"noise_level":-25.827534,"freq_skew":3.634724,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22545532","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,203,90,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103579,"usec":793998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674186,"noise_level":-25.316191,"freq_skew":3.600175,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103579,"usec":795435},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436699,"noise_level":-25.268267,"freq_skew":3.093517,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103581,"usec":315270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.077321,"noise_level":-25.184452,"freq_skew":3.403048,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103581,"usec":340258},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622539,"noise_level":-24.828941,"freq_skew":3.581654,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":178,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,75,36,57]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":178,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,26,106,74]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":19,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103582,"usec":72559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032534,"noise_level":-24.708618,"freq_skew":1.988043,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103582,"usec":73391},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131900,"noise_level":-25.544491,"freq_skew":1.409810,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIPB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103583,"usec":613210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.889273,"noise_level":-25.612103,"freq_skew":5.034507,"avlc":{"src":{"addr":"73806C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103584,"usec":343737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892503,"noise_level":-25.529623,"freq_skew":1.024982,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103584,"usec":347220},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833292,"noise_level":-25.350885,"freq_skew":1.279989,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIPB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103585,"usec":156848},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.032837,"noise_level":-25.097296,"freq_skew":0.583605,"avlc":{"src":{"addr":"5140D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103586,"usec":667979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894131,"noise_level":-24.653210,"freq_skew":3.674525,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103589,"usec":705034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.099626,"noise_level":-24.318096,"freq_skew":5.364825,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103589,"usec":722766},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988924,"noise_level":-24.064787,"freq_skew":1.121320,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTCB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103591,"usec":214989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687454,"noise_level":-23.553120,"freq_skew":2.083699,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103593,"usec":535375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709710,"noise_level":-25.693508,"freq_skew":4.696040,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103594,"usec":300697},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571420,"noise_level":-25.869608,"freq_skew":3.178049,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42044,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[205,128,49,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103594,"usec":300697},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.571420,"noise_level":-25.869608,"freq_skew":3.178049,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":53,"dst_ref":42044,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[120,188,173,126]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103595,"usec":808975},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701204,"noise_level":-25.865059,"freq_skew":3.129510,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH05MV","msg_num":"D76","msg_num_seq":"C","sublabel":"DF","msg_text":",020,022,038,012,2/E20698,0862,53,115,011,000,024,0/N20678,0856,53,088,039,000,026,0/E30815,0907,53,116,012,000,024,0/N30790,0899,53,088,039,000,029,0/S33866,5342,013,N00,160,41,06543,2/T33614,5261,011,N05,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103596,"usec":586977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.018372,"noise_level":-26.541893,"freq_skew":3.570376,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103597,"usec":335672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.648912,"noise_level":-27.383202,"freq_skew":0.981008,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103598,"usec":83509},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766865,"noise_level":-26.793966,"freq_skew":3.230620,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[98,204,254,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103598,"usec":88883},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810107,"noise_level":-27.284336,"freq_skew":5.388488,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103599,"usec":671628},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589251,"noise_level":-26.315685,"freq_skew":5.368068,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41996,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[45,42,74,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103600,"usec":407867},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631679,"noise_level":-26.244091,"freq_skew":5.266416,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41996,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[90,105,50,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":19,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103601,"usec":176630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693419,"noise_level":-25.830500,"freq_skew":5.244425,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103602,"usec":687327},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648582,"noise_level":-28.305866,"freq_skew":5.820847,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044710","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,73,200,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103605,"usec":768425},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082290,"noise_level":-29.064085,"freq_skew":1.087793,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":167,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[219,169]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103605,"usec":775946},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405351,"noise_level":-28.893150,"freq_skew":3.343054,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH02PR","msg_num":"M12","msg_num_seq":"A","msg_text":"02818204774WO4J:36,99UEKRP:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103606,"usec":524128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137094,"noise_level":-28.631153,"freq_skew":1.009036,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103607,"usec":284405},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801650,"noise_level":-28.107615,"freq_skew":4.404558,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31160,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[3,242]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103607,"usec":286169},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137688,"noise_level":-28.063545,"freq_skew":5.256385,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41996,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,120,10,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":20,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103608,"usec":51343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.597313,"noise_level":-27.613842,"freq_skew":3.630204,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103608,"usec":800642},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120318,"noise_level":-27.286186,"freq_skew":3.572985,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"LH02PR","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103608,"usec":807977},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693638,"noise_level":-27.146635,"freq_skew":3.092979,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":132,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103608,"usec":808418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.269152,"noise_level":-27.146635,"freq_skew":5.267184,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103608,"usec":810786},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.391512,"noise_level":-27.087507,"freq_skew":5.076167,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47378,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[185,142]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103610,"usec":321700},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.274928,"noise_level":-26.941614,"freq_skew":1.102549,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":167,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[219,169]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103610,"usec":329451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702138,"noise_level":-26.807449,"freq_skew":1.178997,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103611,"usec":78080},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031887,"noise_level":-26.489992,"freq_skew":5.129906,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103613,"usec":392953},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333243,"noise_level":-25.740704,"freq_skew":3.783589,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[200,188,30,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103613,"usec":401067},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.452104,"noise_level":-25.759325,"freq_skew":4.805669,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103614,"usec":928075},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538312,"noise_level":-25.010914,"freq_skew":5.559521,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH04JP","msg_num":"D03","msg_num_seq":"F","sublabel":"DF","msg_text":"008,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103614,"usec":936161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131762,"noise_level":-25.815327,"freq_skew":5.395492,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103615,"usec":676880},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210676,"noise_level":-26.048538,"freq_skew":3.401406,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"LH02PR","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103618,"usec":705512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.048339,"noise_level":-24.680737,"freq_skew":2.541829,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103618,"usec":709303},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731709,"noise_level":-24.621384,"freq_skew":1.039116,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTCB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103619,"usec":509430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.403359,"noise_level":-24.542570,"freq_skew":4.541215,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103619,"usec":526682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733727,"noise_level":-24.268515,"freq_skew":5.579774,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103620,"usec":272603},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.419989,"noise_level":-24.928593,"freq_skew":3.492526,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"7","ack":"F","flight":"LH02PR","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103620,"usec":278512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836386,"noise_level":-24.837154,"freq_skew":5.169232,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103622,"usec":547898},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465168,"noise_level":-24.013403,"freq_skew":3.130753,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH05MV","msg_num":"126","msg_num_seq":"A","sublabel":"T1","msg_text":"T-B0E000A7ECC)17P8/EDDM,LOWL,VIE,BUD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103622,"usec":554405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.250788,"noise_level":-25.028765,"freq_skew":4.676775,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103622,"usec":555555},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.519032,"noise_level":-25.028765,"freq_skew":5.050925,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103624,"usec":54579},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.112247,"noise_level":-24.458965,"freq_skew":2.710780,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":895,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[48,1,41,78]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103626,"usec":383111},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928374,"noise_level":-24.510794,"freq_skew":3.623650,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":11.300000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103628,"usec":662814},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645757,"noise_level":-25.108519,"freq_skew":2.240713,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEF","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH039X","msg_num":"M42","msg_num_seq":"A","msg_text":"00033209264N5SS00 XX1IYMU2)32H)H:S66277K93V7HT3IGG3T*3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103630,"usec":943987},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726839,"noise_level":-24.049656,"freq_skew":1.152438,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIPB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103634,"usec":763325},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.112361,"noise_level":-23.260450,"freq_skew":3.507462,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":11.300000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103637,"usec":46442},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.641328,"noise_level":-22.783905,"freq_skew":6.518585,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAX","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR64LV","msg_num":"M40","msg_num_seq":"A","msg_text":"082034,92040,0846, 82,N 50.795 E 4.325"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103639,"usec":371505},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777441,"noise_level":-23.485893,"freq_skew":4.621278,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103640,"usec":126842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.720567,"noise_level":-23.293415,"freq_skew":4.548929,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103642,"usec":399940},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672680,"noise_level":-23.432350,"freq_skew":1.989282,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47425,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[140,161,90,16]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47425,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[89,204,194,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":20,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103645,"usec":419808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.848169,"noise_level":-24.197777,"freq_skew":2.837912,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103645,"usec":420220},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952848,"noise_level":-24.183704,"freq_skew":3.445505,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":11.300000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103645,"usec":432778},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.926560,"noise_level":-23.989050,"freq_skew":2.099795,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47425,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[140,161,90,16]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47425,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[89,204,194,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":20,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103646,"usec":235392},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037765,"noise_level":-24.210518,"freq_skew":5.102587,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABKJ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"X306PJ","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103647,"usec":740475},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537585,"noise_level":-23.637466,"freq_skew":5.262120,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103649,"usec":273096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.270178,"noise_level":-23.038061,"freq_skew":3.545362,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103651,"usec":555712},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934825,"noise_level":-23.381939,"freq_skew":4.249833,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":6.100000},"alt":73000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103653,"usec":107188},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865399,"noise_level":-23.947771,"freq_skew":3.003121,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH05MV","msg_num":"D77","msg_num_seq":"H","sublabel":"DF","msg_text":"40,11845,2/V00185,N015,02080,00288,227,216,218,0/X00881,00200,042,028,008,016,011,2/1E0880,0919,51,134,006,000,030,0/1N0877,0919,53,119,006,000,028,0/1S4008,6025,009,N02,159,40,12416,2/1T4021,6044,009,N00,1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103654,"usec":609973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.447985,"noise_level":-24.368420,"freq_skew":3.347913,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103654,"usec":619032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996355,"noise_level":-24.169632,"freq_skew":3.573137,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103655,"usec":374081},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329793,"noise_level":-25.069687,"freq_skew":5.127945,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103656,"usec":884821},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658034,"noise_level":-25.459555,"freq_skew":1.203147,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103657,"usec":649484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933362,"noise_level":-26.169817,"freq_skew":3.818668,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103657,"usec":654154},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946924,"noise_level":-26.170322,"freq_skew":5.347022,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103657,"usec":664877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273499,"noise_level":-25.995358,"freq_skew":1.948367,"avlc":{"src":{"addr":"4CAF24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HSD","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"SK0684","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103659,"usec":155802},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123261,"noise_level":-25.697773,"freq_skew":5.093120,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":876,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[206,177]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103659,"usec":160794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608850,"noise_level":-26.095352,"freq_skew":2.916431,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103659,"usec":976857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.279929,"noise_level":-26.345535,"freq_skew":3.353597,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103660,"usec":726942},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699138,"noise_level":-26.079147,"freq_skew":1.268638,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOP","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"XQ022H","msg_num":"M79","msg_num_seq":"A","msg_text":"0E20820582","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":20,"sec":58}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103660,"usec":749214},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376739,"noise_level":-26.448746,"freq_skew":1.854543,"avlc":{"src":{"addr":"4CAF24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HSD","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"SK0684","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103661,"usec":485926},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801791,"noise_level":-26.147385,"freq_skew":1.379629,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"-------","mode":"2","label":"83","blk_id":"5","ack":"!","flight":"UV0001","msg_num":"M02","msg_num_seq":"A","msg_text":"001PR15081050N4907.1E00946.5012000 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103661,"usec":487052},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657210,"noise_level":-26.112202,"freq_skew":1.137748,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103662,"usec":256425},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892253,"noise_level":-26.590826,"freq_skew":4.752040,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":6.100000},"alt":73000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103663,"usec":759198},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883384,"noise_level":-26.667027,"freq_skew":6.937227,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103664,"usec":535599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405679,"noise_level":-26.193596,"freq_skew":3.849862,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103665,"usec":276230},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778552,"noise_level":-26.105438,"freq_skew":1.043145,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103666,"usec":847306},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993458,"noise_level":-25.207455,"freq_skew":4.756979,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103666,"usec":859454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.417795,"noise_level":-25.035160,"freq_skew":4.295080,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103666,"usec":862312},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016794,"noise_level":-24.988758,"freq_skew":1.040242,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,88,83,0,75,205,240,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103667,"usec":605997},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671570,"noise_level":-24.835850,"freq_skew":1.171568,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103667,"usec":608723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067896,"noise_level":-24.805588,"freq_skew":4.270103,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBI","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR10AD","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103668,"usec":356929},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216175,"noise_level":-24.838419,"freq_skew":1.256616,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103668,"usec":370344},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.337368,"noise_level":-24.673223,"freq_skew":4.637629,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[245,135]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103672,"usec":167986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.605372,"noise_level":-23.293257,"freq_skew":3.566168,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":992,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45615,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,51,248,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103672,"usec":963178},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552083,"noise_level":-23.698288,"freq_skew":3.751301,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103674,"usec":475535},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427284,"noise_level":-23.264851,"freq_skew":7.027630,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124115","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,77,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103675,"usec":987769},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547211,"noise_level":-22.969400,"freq_skew":1.165716,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"-------","mode":"2","label":"83","blk_id":"7","ack":"!","flight":"UV0001","msg_num":"M04","msg_num_seq":"A","msg_text":"001PR15082058N4906.2E01005.0098246 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103678,"usec":271869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072988,"noise_level":-24.244141,"freq_skew":5.342699,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103679,"usec":27881},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455129,"noise_level":-25.022840,"freq_skew":1.010356,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,88,83,0,75,205,240,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":382,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41898,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[90,104,136,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103679,"usec":29142},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461946,"noise_level":-25.022840,"freq_skew":6.712677,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EME","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR2358","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103679,"usec":39437},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135760,"noise_level":-25.021170,"freq_skew":5.206940,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":223,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41996,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[25,89,101,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103680,"usec":577779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020586,"noise_level":-24.480906,"freq_skew":1.256624,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103680,"usec":583658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.784645,"noise_level":-24.408457,"freq_skew":4.868531,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103683,"usec":610685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997604,"noise_level":-25.464592,"freq_skew":-0.200002,"avlc":{"src":{"addr":"511187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103684,"usec":380415},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200921,"noise_level":-24.851265,"freq_skew":2.561143,"avlc":{"src":{"addr":"4B15D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":7.000000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103684,"usec":389543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141679,"noise_level":-24.700737,"freq_skew":6.090275,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103684,"usec":392173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.210394,"noise_level":-24.670942,"freq_skew":2.665715,"avlc":{"src":{"addr":"4B15D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHC","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"WK015J","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103685,"usec":130746},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832314,"noise_level":-24.596899,"freq_skew":5.156772,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":170,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[94,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103685,"usec":888048},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754152,"noise_level":-24.464933,"freq_skew":5.381909,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":170,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[37,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103685,"usec":902627},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061284,"noise_level":-25.417147,"freq_skew":5.407495,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41996,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[81,227,224,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103686,"usec":699347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-14.996098,"noise_level":-25.145922,"freq_skew":2.415537,"avlc":{"src":{"addr":"4B15D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103687,"usec":444583},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652185,"noise_level":-25.098925,"freq_skew":5.316146,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103687,"usec":466268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666855,"noise_level":-24.761841,"freq_skew":4.892348,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103688,"usec":213437},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514518,"noise_level":-24.451843,"freq_skew":5.286649,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103688,"usec":214636},"freq":136975000,"burst_len_octets":326,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766044,"noise_level":-24.422890,"freq_skew":3.073945,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH05MV","msg_num":"D78","msg_num_seq":"F","sublabel":"DF","msg_text":"15,6029,008,N02,159,40,12284,2/T84025,6051,009,N00,138,41,12304,2/X80881,00250,043,026,007,018,011,2/S93966,6016,009,N02,158,40,12956,2/T93974,6033,008,N01,138,41,12975,2/V90170,N035,02224,00288,227,216,218"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103688,"usec":214636},"freq":136975000,"burst_len_octets":326,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.766044,"noise_level":-24.422890,"freq_skew":3.073945,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062505","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,69,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103688,"usec":978402},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664692,"noise_level":-25.261528,"freq_skew":5.322946,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41996,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[75,99,169,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103689,"usec":735453},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376554,"noise_level":-24.887653,"freq_skew":2.688478,"avlc":{"src":{"addr":"4B15D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103691,"usec":245527},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611198,"noise_level":-25.184090,"freq_skew":3.065184,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJE","mode":"2","label":"_d","blk_id":"9","ack":"!","flight":"LH05MV","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103691,"usec":248598},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710124,"noise_level":-25.171238,"freq_skew":1.205046,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,88,83,0,75,205,240,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,67,90,0,1,65,65,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":383,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52041,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[228,63,97,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103692,"usec":752661},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416177,"noise_level":-24.621849,"freq_skew":1.251922,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103695,"usec":852948},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746497,"noise_level":-23.367968,"freq_skew":1.023769,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103697,"usec":360878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257838,"noise_level":-23.387968,"freq_skew":1.695915,"avlc":{"src":{"addr":"AE0193","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103698,"usec":867921},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595747,"noise_level":-22.925785,"freq_skew":3.162592,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103699,"usec":623371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758725,"noise_level":-23.243696,"freq_skew":3.777056,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103700,"usec":437984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125878,"noise_level":-22.921661,"freq_skew":4.685672,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103701,"usec":201970},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843637,"noise_level":-22.587708,"freq_skew":5.031147,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47378,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[208,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103704,"usec":219150},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256288,"noise_level":-22.978004,"freq_skew":5.001699,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41999,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[55,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103704,"usec":993476},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887529,"noise_level":-22.653698,"freq_skew":0.991173,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103704,"usec":999340},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457944,"noise_level":-23.111952,"freq_skew":1.243913,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52041,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,43,37,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103705,"usec":739519},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102672,"noise_level":-23.087130,"freq_skew":4.765985,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103705,"usec":747368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751230,"noise_level":-23.257715,"freq_skew":5.523735,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103706,"usec":499858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879904,"noise_level":-24.413616,"freq_skew":4.612937,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":52,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103708,"usec":72433},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476120,"noise_level":-23.693539,"freq_skew":6.049839,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103708,"usec":812082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600254,"noise_level":-24.353016,"freq_skew":6.203956,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPI","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR88JA","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103708,"usec":815419},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912917,"noise_level":-25.130257,"freq_skew":5.099915,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103709,"usec":584354},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690280,"noise_level":-26.651489,"freq_skew":4.764844,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103710,"usec":338225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632814,"noise_level":-26.304668,"freq_skew":3.603946,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103712,"usec":630625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.021408,"noise_level":-25.508623,"freq_skew":2.002795,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103712,"usec":635910},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567263,"noise_level":-25.378580,"freq_skew":3.698861,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103712,"usec":635910},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.567263,"noise_level":-25.378580,"freq_skew":3.698861,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[200,188,30,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103713,"usec":416039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229740,"noise_level":-25.108538,"freq_skew":5.878812,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103714,"usec":190385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136615,"noise_level":-25.356386,"freq_skew":4.681858,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103715,"usec":687927},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223097,"noise_level":-26.334583,"freq_skew":4.758938,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41999,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[55,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103717,"usec":225838},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627395,"noise_level":-25.477697,"freq_skew":3.837071,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[45,230,62,202]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41982,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,189,247,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103717,"usec":961140},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681006,"noise_level":-25.296469,"freq_skew":4.701254,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":6,"dst_ref":47378,"variable_part_params":[{"name":"checksum","value":[192,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103717,"usec":962733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115767,"noise_level":-25.232773,"freq_skew":3.851789,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103718,"usec":724249},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996559,"noise_level":-25.794762,"freq_skew":4.706239,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41999,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[148,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103719,"usec":489181},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384503,"noise_level":-25.253420,"freq_skew":0.860057,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.600000},"alt":2000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103719,"usec":498823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050931,"noise_level":-25.111456,"freq_skew":3.709909,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103720,"usec":282120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244592,"noise_level":-25.465466,"freq_skew":1.970414,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103721,"usec":39739},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713688,"noise_level":-25.336060,"freq_skew":3.782210,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[45,230,62,202]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41982,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,189,247,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":21,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103721,"usec":55761},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.178594,"noise_level":-25.759184,"freq_skew":0.680984,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103721,"usec":58532},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471738,"noise_level":-26.305641,"freq_skew":3.715202,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103721,"usec":58532},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.471738,"noise_level":-26.305641,"freq_skew":3.715202,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103721,"usec":803293},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.325695,"noise_level":-26.275337,"freq_skew":3.794605,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103722,"usec":557900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440457,"noise_level":-25.650446,"freq_skew":0.815318,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103723,"usec":314921},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548498,"noise_level":-25.567606,"freq_skew":3.780236,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[130,179,112,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103724,"usec":84734},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.014740,"noise_level":-25.679085,"freq_skew":3.339413,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103724,"usec":87410},"freq":136975000,"burst_len_octets":266,"hdr_bits_fixed":0,"octets_corrected_by_fec":4,"idx":0,"sig_level":-5.525693,"noise_level":-25.645744,"freq_skew":1.971151,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103726,"usec":407116},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511080,"noise_level":-25.414223,"freq_skew":5.399302,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":5,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[147,173]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103729,"usec":438071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976794,"noise_level":-25.896259,"freq_skew":2.193965,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103730,"usec":195061},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903154,"noise_level":-25.609903,"freq_skew":3.367801,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103731,"usec":709486},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.133591,"noise_level":-25.380234,"freq_skew":3.562553,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":187,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":18,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,75,74,0,75,189,2]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,75,74,0,75,189,2]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103733,"usec":213167},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.992099,"noise_level":-25.814789,"freq_skew":3.645825,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103733,"usec":219014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727994,"noise_level":-25.713589,"freq_skew":5.204588,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103733,"usec":224881},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.221869,"noise_level":-25.613556,"freq_skew":3.557366,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103733,"usec":231469},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945158,"noise_level":-25.514660,"freq_skew":4.848611,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103734,"usec":36875},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035312,"noise_level":-25.639532,"freq_skew":4.821851,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":51,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41999,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[144,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103738,"usec":583616},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653781,"noise_level":-25.314627,"freq_skew":4.720892,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16245141","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":35,"compression_algos":["DEFLATE","LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,71,65,0,57,74,97,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103739,"usec":344239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296862,"noise_level":-25.920078,"freq_skew":2.899585,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103740,"usec":903225},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.477809,"noise_level":-26.370991,"freq_skew":3.668022,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,75,74,0,75,189,2,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103743,"usec":171942},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765811,"noise_level":-25.487629,"freq_skew":5.149593,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42056,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[118,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103743,"usec":182405},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648222,"noise_level":-26.828241,"freq_skew":5.224769,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":117,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":42056,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[136,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103743,"usec":924544},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652287,"noise_level":-26.658329,"freq_skew":2.974463,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH05MV","msg_num":"128","msg_num_seq":"A","sublabel":"T1","msg_text":"T.B0E400A7EPAEN)Y8/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103744,"usec":689216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537809,"noise_level":-26.121901,"freq_skew":6.100636,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103744,"usec":691371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.791489,"noise_level":-26.086819,"freq_skew":4.472318,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103744,"usec":694161},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351222,"noise_level":-26.051880,"freq_skew":5.115139,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"LH04WE","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103745,"usec":461375},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121843,"noise_level":-26.430502,"freq_skew":2.861689,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103746,"usec":974468},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800848,"noise_level":-25.581059,"freq_skew":3.229265,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":4,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":37,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103748,"usec":528689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801228,"noise_level":-24.867981,"freq_skew":6.227408,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103752,"usec":334143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689250,"noise_level":-22.987612,"freq_skew":4.725252,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103756,"usec":146187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812390,"noise_level":-23.734570,"freq_skew":4.767399,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103756,"usec":908786},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.801926,"noise_level":-23.458605,"freq_skew":4.445092,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":898,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[126,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103759,"usec":950015},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706960,"noise_level":-25.104736,"freq_skew":3.578305,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":994,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52029,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[240,50,109,36]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52029,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[76,3,150,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":22,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103763,"usec":23995},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.442712,"noise_level":-24.518530,"freq_skew":2.664355,"avlc":{"src":{"addr":"4B15D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":976,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59731,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[72,196,21,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103763,"usec":793152},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031291,"noise_level":-24.231073,"freq_skew":0.865760,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIQT","mode":"2","label":"_d","blk_id":"0","ack":"E","flight":"LH07AA","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103764,"usec":535217},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582317,"noise_level":-25.052290,"freq_skew":3.128033,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103764,"usec":538566},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838624,"noise_level":-25.816338,"freq_skew":2.704404,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH05MV","msg_num":"D79","msg_num_seq":"F","sublabel":"DF","msg_text":"12,6026,010,N01,157,40,13625,2/T73933,6052,008,N02,143,40,13646,2/X70881,00300,047,025,001,024,011,2/S83881,6041,011,N01,158,41,14257,2/T83894,6070,008,N03,143,40,14280,2/V80162,N052,02400,00288,227,216,218"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103766,"usec":74450},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836858,"noise_level":-24.762966,"freq_skew":4.906254,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"4Y115B","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103766,"usec":823182},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.017373,"noise_level":-24.467445,"freq_skew":2.193033,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103766,"usec":824266},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676418,"noise_level":-24.452927,"freq_skew":3.665457,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":995,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45615,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,51,248,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103768,"usec":391212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039017,"noise_level":-24.074335,"freq_skew":4.881633,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103769,"usec":885301},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604998,"noise_level":-24.677204,"freq_skew":2.578470,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJE","mode":"2","label":"_d","blk_id":"1","ack":"U","flight":"LH05MV","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103769,"usec":888928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697776,"noise_level":-25.552166,"freq_skew":3.699388,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103769,"usec":889651},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427748,"noise_level":-26.143734,"freq_skew":3.685802,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103770,"usec":642773},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231085,"noise_level":-26.021261,"freq_skew":3.549892,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103770,"usec":642773},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.231085,"noise_level":-26.021261,"freq_skew":3.549892,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":998,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":86,"dst_ref":52029,"variable_part_params":[{"name":"atn_checksum","value":[89,223,220,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103770,"usec":650469},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.373768,"noise_level":-25.900490,"freq_skew":3.818677,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":999,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45615,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[79,10,8,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103772,"usec":168775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797778,"noise_level":-25.430716,"freq_skew":3.676769,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103773,"usec":720185},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293577,"noise_level":-27.022526,"freq_skew":3.635000,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":999,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45615,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[79,10,8,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103775,"usec":236487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.724926,"noise_level":-26.772346,"freq_skew":5.000612,"avlc":{"src":{"addr":"4CAECA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103776,"usec":755086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355442,"noise_level":-27.223604,"freq_skew":3.622291,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103778,"usec":276440},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697252,"noise_level":-27.163734,"freq_skew":3.663214,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1002,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45615,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[96,216,102,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":22,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103778,"usec":283436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663878,"noise_level":-27.006638,"freq_skew":2.595379,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103779,"usec":43293},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.765054,"noise_level":-27.219009,"freq_skew":4.844749,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103779,"usec":804604},"freq":136975000,"burst_len_octets":225,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.174270,"noise_level":-26.696602,"freq_skew":4.977106,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIRN","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH04WE","msg_num":"D48","msg_num_seq":"B","sublabel":"DF","msg_text":"6T3/J32)Y2TXIS3T51,15*6S4J6THTU2Y1UX/JBX832,085M653B3IITXV3T026,0*I6S/(JJ)H)U735IUXX3,00T6J3*65EB57515TV/,BB420,4454BTTYU22VTB63T41,3501I64/0JN4HHUH753UXSIS4,0044)BH33U3GIUVB7T"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103779,"usec":809860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800982,"noise_level":-26.603212,"freq_skew":1.255882,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41898,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[10,150,209,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103781,"usec":347694},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523438,"noise_level":-26.162947,"freq_skew":3.740649,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103782,"usec":127447},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719874,"noise_level":-26.171453,"freq_skew":3.895036,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1003,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103782,"usec":869129},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882915,"noise_level":-26.066036,"freq_skew":1.074769,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTCB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103782,"usec":870067},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873860,"noise_level":-26.736958,"freq_skew":1.162939,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746760","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,240,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103783,"usec":627192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.863309,"noise_level":-26.547520,"freq_skew":3.168498,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103783,"usec":628278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352671,"noise_level":-26.510679,"freq_skew":0.852580,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103783,"usec":630810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.660625,"noise_level":-26.401093,"freq_skew":4.830972,"avlc":{"src":{"addr":"4CADFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103783,"usec":632725},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934401,"noise_level":-26.346813,"freq_skew":1.015998,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41898,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[10,150,209,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103783,"usec":632725},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.934401,"noise_level":-26.346813,"freq_skew":1.015998,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103785,"usec":142548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.233502,"noise_level":-26.417826,"freq_skew":1.124879,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103785,"usec":143550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379455,"noise_level":-27.126228,"freq_skew":3.610514,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103786,"usec":670335},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265759,"noise_level":-26.136860,"freq_skew":3.415202,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"_d","blk_id":"0","ack":"I","flight":"LH03UW","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103786,"usec":672560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787539,"noise_level":-26.101721,"freq_skew":5.192122,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103791,"usec":269867},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830354,"noise_level":-24.546169,"freq_skew":3.450872,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"_d","blk_id":"1","ack":"J","flight":"LH03UW","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103792,"usec":28479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723760,"noise_level":-24.255680,"freq_skew":4.975617,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103794,"usec":288189},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479309,"noise_level":-23.392641,"freq_skew":4.422633,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103795,"usec":86284},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633936,"noise_level":-23.114157,"freq_skew":6.526968,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5112,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103795,"usec":91963},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692937,"noise_level":-22.941833,"freq_skew":3.378941,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"_d","blk_id":"2","ack":"K","flight":"LH03UW","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103795,"usec":865962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998759,"noise_level":-22.630600,"freq_skew":4.912960,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103797,"usec":369534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338806,"noise_level":-24.115335,"freq_skew":3.592111,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103797,"usec":370498},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773695,"noise_level":-24.768158,"freq_skew":3.361223,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[98,204,254,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103798,"usec":145448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330686,"noise_level":-25.021944,"freq_skew":6.480527,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103798,"usec":901490},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038877,"noise_level":-24.584095,"freq_skew":6.191428,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1035,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103801,"usec":212972},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483497,"noise_level":-24.725769,"freq_skew":3.485863,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":234,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103804,"usec":240304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.135865,"noise_level":-24.588051,"freq_skew":3.611972,"avlc":{"src":{"addr":"489229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103805,"usec":772177},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697589,"noise_level":-25.387260,"freq_skew":4.843639,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":52,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103806,"usec":527346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.495766,"noise_level":-25.023521,"freq_skew":1.105223,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103807,"usec":290075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963028,"noise_level":-24.585598,"freq_skew":5.259301,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103808,"usec":840928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513234,"noise_level":-24.070990,"freq_skew":2.762276,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103810,"usec":350929},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456274,"noise_level":-23.454912,"freq_skew":3.575937,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103814,"usec":203558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.872509,"noise_level":-22.128189,"freq_skew":3.297313,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103816,"usec":471706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323770,"noise_level":-21.476316,"freq_skew":6.020175,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103816,"usec":479896},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725342,"noise_level":-21.394344,"freq_skew":2.960968,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"53400463","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,174,1,54,0,174,1,51,1,1,85,76,56,48,88,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103817,"usec":219564},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369225,"noise_level":-21.303040,"freq_skew":2.817111,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..70102","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"XA0000","msg_num":"M06","msg_num_seq":"A","msg_text":"0E20823352//312R15PMMMMKO.","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":23,"sec":35}},"links_avail":[{"code":"2","descr":"VDL2"}],"text":"/312R15PMMMMKO."}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103817,"usec":222180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824200,"noise_level":-21.282879,"freq_skew":2.747428,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103817,"usec":228883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779101,"noise_level":-21.261330,"freq_skew":1.067250,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52041,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,43,37,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103817,"usec":992894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.245775,"noise_level":-22.029648,"freq_skew":3.492488,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103818,"usec":740224},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928849,"noise_level":-22.045307,"freq_skew":3.553988,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103818,"usec":749991},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794349,"noise_level":-23.004795,"freq_skew":2.576838,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103819,"usec":508323},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253243,"noise_level":-23.578232,"freq_skew":2.907438,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103819,"usec":509994},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407630,"noise_level":-23.565128,"freq_skew":3.606691,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[45,77,212,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103828,"usec":696452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993162,"noise_level":-23.233341,"freq_skew":3.689747,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103830,"usec":215504},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837797,"noise_level":-23.140739,"freq_skew":3.359937,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"LH02PR","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103830,"usec":224716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542264,"noise_level":-23.376007,"freq_skew":0.862236,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103831,"usec":741507},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904315,"noise_level":-22.793791,"freq_skew":3.618936,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"4","ack":"K","flight":"LH02PR","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103832,"usec":503540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.878755,"noise_level":-22.464626,"freq_skew":2.390213,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103833,"usec":233969},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509868,"noise_level":-22.418606,"freq_skew":3.183825,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103833,"usec":995021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512805,"noise_level":-22.114180,"freq_skew":2.483521,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103834,"usec":9067},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737630,"noise_level":-22.855263,"freq_skew":3.538823,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":178,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,138,166,5]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103834,"usec":9067},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.737630,"noise_level":-22.855263,"freq_skew":3.538823,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":55,"dst_ref":21,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[194,30,79,77]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103835,"usec":552012},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038671,"noise_level":-22.396969,"freq_skew":3.526638,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"4","ack":"K","flight":"LH02PR","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103835,"usec":553313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108304,"noise_level":-22.351305,"freq_skew":5.196561,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103836,"usec":314261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212058,"noise_level":-22.193340,"freq_skew":3.556499,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103838,"usec":601843},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690791,"noise_level":-23.054314,"freq_skew":5.197548,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":88,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103838,"usec":604489},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530684,"noise_level":-24.149523,"freq_skew":0.768931,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103839,"usec":366717},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.827112,"noise_level":-23.739204,"freq_skew":4.021194,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRQ"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":11.600000},"alt":39000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103839,"usec":366717},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-4.827112,"noise_level":-23.739204,"freq_skew":4.021194,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SK086N","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103839,"usec":366717},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":2,"sig_level":-4.827112,"noise_level":-23.739204,"freq_skew":4.021194,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22545532","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,203,90,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103840,"usec":870197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651581,"noise_level":-23.220631,"freq_skew":3.789546,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103840,"usec":874899},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806777,"noise_level":-23.170433,"freq_skew":4.910853,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103843,"usec":200283},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007464,"noise_level":-22.387520,"freq_skew":6.155853,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1036,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45528,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[74,47]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103843,"usec":201003},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730121,"noise_level":-22.471672,"freq_skew":5.306420,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103843,"usec":955120},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826669,"noise_level":-22.382370,"freq_skew":3.826311,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SK086N","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103844,"usec":697286},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163475,"noise_level":-22.802057,"freq_skew":3.759207,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22545532","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,203,90,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103848,"usec":558568},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653848,"noise_level":-22.870579,"freq_skew":2.539578,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42068,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[171,206,149,13]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42068,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,50,128,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":24,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103849,"usec":294658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925592,"noise_level":-23.856354,"freq_skew":5.142508,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103849,"usec":316509},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917729,"noise_level":-24.077972,"freq_skew":5.274664,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103849,"usec":316862},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-16.804104,"noise_level":-24.077972,"freq_skew":3.612158,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103850,"usec":54312},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112525,"noise_level":-24.464417,"freq_skew":3.641074,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"4","ack":"K","flight":"LH02PR","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103850,"usec":71653},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854398,"noise_level":-24.235111,"freq_skew":2.618101,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103850,"usec":76841},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011196,"noise_level":-24.178717,"freq_skew":5.224450,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103853,"usec":849063},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.771679,"noise_level":-22.696621,"freq_skew":3.923967,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":165,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103857,"usec":679872},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.899800,"noise_level":-21.339249,"freq_skew":3.996322,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":165,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103859,"usec":968689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.025240,"noise_level":-20.545639,"freq_skew":-0.095701,"avlc":{"src":{"addr":"511187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103861,"usec":528742},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932845,"noise_level":-20.196669,"freq_skew":1.322840,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3660,"dst_ref":52041,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[5,252,142,112]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103862,"usec":290769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.704988,"noise_level":-19.977337,"freq_skew":4.661888,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103863,"usec":36727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801995,"noise_level":-19.985378,"freq_skew":1.323794,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103866,"usec":848927},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765028,"noise_level":-20.437584,"freq_skew":0.992466,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103867,"usec":608830},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.746531,"noise_level":-21.076366,"freq_skew":3.790191,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1004,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45615,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[84,188,80,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103868,"usec":343815},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599388,"noise_level":-21.046923,"freq_skew":5.151669,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRN","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"DE0115","msg_num":"M30","msg_num_seq":"A","msg_text":"34DE2115,B,EDDF,0847"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103869,"usec":920511},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964529,"noise_level":-23.875156,"freq_skew":3.586722,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103869,"usec":920763},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571017,"noise_level":-23.875156,"freq_skew":1.027557,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103872,"usec":950519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050249,"noise_level":-23.239193,"freq_skew":4.787901,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103873,"usec":696434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812308,"noise_level":-24.292610,"freq_skew":0.904846,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103873,"usec":701216},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941892,"noise_level":-24.221708,"freq_skew":3.177252,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH03UW","msg_num":"M62","msg_num_seq":"A","msg_text":"00050209273H8FA84E001(XK4(0MD262J(TTI4IDWW-DMXXHY,(RR"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103873,"usec":705369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285072,"noise_level":-24.179443,"freq_skew":2.284178,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103874,"usec":496271},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176515,"noise_level":-25.073149,"freq_skew":3.825206,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":178,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,138,166,5]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103874,"usec":497548},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734548,"noise_level":-25.057587,"freq_skew":2.455941,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJE","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH05MV","msg_num":"D81","msg_num_seq":"I","sublabel":"DF","msg_text":"2,00288,227,216,218,0/2E0901,0919,50,155,006,000,031,0/2N0899,0917,50,138,006,000,025,0/2S3413,5972,014,004,157,40,21064,2/2T3400,5967,010,N01,143,41,21089,2/2V0057,N205,03296,00288,227,216,218,0/2X0881,002"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103874,"usec":513323},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809911,"noise_level":-24.842585,"freq_skew":4.472835,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103874,"usec":516099},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675913,"noise_level":-26.051176,"freq_skew":0.611960,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":100,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,73,84,89,0,76,173,87],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103874,"usec":517167},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480227,"noise_level":-26.033760,"freq_skew":0.836642,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..EIHHM","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"AZ0000","msg_num":"M10","msg_num_seq":"A","msg_text":"0E20824292","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":24,"sec":29}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103875,"usec":267118},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817143,"noise_level":-25.793535,"freq_skew":3.143735,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":201,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103876,"usec":15127},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532164,"noise_level":-26.812420,"freq_skew":6.312791,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222176","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,76,72,0,77,36,126,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103876,"usec":774518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906867,"noise_level":-26.476458,"freq_skew":3.350480,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103876,"usec":790111},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424267,"noise_level":-26.241655,"freq_skew":0.655036,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103876,"usec":800053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.750471,"noise_level":-26.047813,"freq_skew":2.342557,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103879,"usec":71500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603655,"noise_level":-26.557310,"freq_skew":0.987393,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103879,"usec":815294},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677563,"noise_level":-27.465130,"freq_skew":1.014327,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41898,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[10,150,209,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103880,"usec":574158},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.391013,"noise_level":-26.966818,"freq_skew":3.816726,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":165,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[86,242]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103880,"usec":579948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494129,"noise_level":-26.756304,"freq_skew":4.584637,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103882,"usec":887698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226031,"noise_level":-26.491444,"freq_skew":0.744508,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103883,"usec":652575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291099,"noise_level":-26.238411,"freq_skew":1.079225,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103883,"usec":666476},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907398,"noise_level":-26.079552,"freq_skew":1.009218,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103884,"usec":404691},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.124979,"noise_level":-26.217764,"freq_skew":4.325912,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":165,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[86,242]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103884,"usec":413802},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500900,"noise_level":-26.059280,"freq_skew":3.168686,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103884,"usec":418988},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573745,"noise_level":-25.989759,"freq_skew":0.644256,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103884,"usec":420087},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864442,"noise_level":-26.104162,"freq_skew":3.675279,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SK086N","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103888,"usec":210327},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515737,"noise_level":-24.149155,"freq_skew":0.678304,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103891,"usec":284320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672455,"noise_level":-22.850735,"freq_skew":5.450364,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103892,"usec":24957},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880685,"noise_level":-23.034935,"freq_skew":0.785511,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103892,"usec":791473},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953111,"noise_level":-23.377178,"freq_skew":6.151146,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103892,"usec":805623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709688,"noise_level":-23.212173,"freq_skew":0.882354,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103892,"usec":810765},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.678897,"noise_level":-23.149536,"freq_skew":6.109020,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"4X02YR","msg_num":"S76","msg_num_seq":"A","msg_text":"0EV082434V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":24,"sec":34}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103892,"usec":810765},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-4.678897,"noise_level":-23.149536,"freq_skew":6.109020,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[189,241,14,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103893,"usec":571606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514528,"noise_level":-23.810551,"freq_skew":0.769581,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103895,"usec":61896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478507,"noise_level":-24.361053,"freq_skew":6.243335,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103896,"usec":622797},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648746,"noise_level":-23.410469,"freq_skew":0.912422,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103897,"usec":388639},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.002631,"noise_level":-23.207058,"freq_skew":3.470759,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45615,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,35,62,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":24,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103898,"usec":148079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.044246,"noise_level":-22.910606,"freq_skew":4.055161,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LKTB"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":14.900001},"alt":29000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103898,"usec":150121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.229798,"noise_level":-22.886353,"freq_skew":3.555421,"avlc":{"src":{"addr":"4BB849","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103901,"usec":169124},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971127,"noise_level":-23.850412,"freq_skew":3.254213,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":13.100000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103901,"usec":973400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056252,"noise_level":-23.610201,"freq_skew":5.047318,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103901,"usec":976096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.589758,"noise_level":-24.118496,"freq_skew":4.134102,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103905,"usec":26391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017345,"noise_level":-22.657606,"freq_skew":4.598804,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103908,"usec":64297},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539023,"noise_level":-22.921089,"freq_skew":4.979816,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH04JP","msg_num":"M66","msg_num_seq":"A","msg_text":"000562377224H*)-IM4EEZR84UUOIAA,,K"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103908,"usec":70046},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707090,"noise_level":-23.670849,"freq_skew":1.055752,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103909,"usec":605457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710036,"noise_level":-24.074736,"freq_skew":5.196768,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103909,"usec":609419},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353026,"noise_level":-23.978077,"freq_skew":3.520055,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41982,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[105,224,216,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103910,"usec":389903},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387727,"noise_level":-24.062656,"freq_skew":1.009071,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103912,"usec":664607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099660,"noise_level":-23.881054,"freq_skew":1.050040,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103913,"usec":408259},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.717063,"noise_level":-24.563850,"freq_skew":2.512934,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103914,"usec":156977},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.908503,"noise_level":-24.439299,"freq_skew":2.602642,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1003,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3624,"dst_ref":42072,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[166,129,240,20]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103914,"usec":924971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132949,"noise_level":-23.946714,"freq_skew":2.561906,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103914,"usec":928350},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792037,"noise_level":-23.865005,"freq_skew":3.132645,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":13.100000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103916,"usec":478261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453806,"noise_level":-24.145081,"freq_skew":2.401869,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103918,"usec":10917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525220,"noise_level":-23.330593,"freq_skew":0.883651,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103919,"usec":520624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.302483,"noise_level":-23.855003,"freq_skew":4.541207,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"ZD0000","msg_num":"M24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103920,"usec":292451},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617708,"noise_level":-24.632988,"freq_skew":0.935979,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,73,84,89,0,76,173,87,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103921,"usec":791423},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052420,"noise_level":-24.171631,"freq_skew":4.561261,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41999,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[246,129]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103921,"usec":801687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.688377,"noise_level":-24.032345,"freq_skew":6.343507,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103924,"usec":131629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444720,"noise_level":-25.448418,"freq_skew":5.652448,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103924,"usec":868452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.582392,"noise_level":-25.319263,"freq_skew":5.001579,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103924,"usec":877860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077735,"noise_level":-25.192005,"freq_skew":6.164883,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103924,"usec":890903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929752,"noise_level":-25.998917,"freq_skew":3.752496,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103927,"usec":155525},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847679,"noise_level":-25.573790,"freq_skew":3.755171,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":64,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":43774,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103927,"usec":159216},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901855,"noise_level":-25.524426,"freq_skew":4.847558,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGE","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR71DG","msg_num":"M20","msg_num_seq":"A","msg_text":"082525,36999,1008, 134,N 47.011 E 9.039"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103927,"usec":913549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105462,"noise_level":-25.218147,"freq_skew":5.604034,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103928,"usec":679431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.472726,"noise_level":-24.695654,"freq_skew":3.732118,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103929,"usec":486418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823549,"noise_level":-24.287781,"freq_skew":5.065382,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103930,"usec":989310},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.855646,"noise_level":-24.562977,"freq_skew":4.179280,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103931,"usec":732999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663975,"noise_level":-24.402889,"freq_skew":1.332521,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103932,"usec":500194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454724,"noise_level":-23.980717,"freq_skew":5.241890,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"LH04JP","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103932,"usec":512299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815277,"noise_level":-24.970629,"freq_skew":5.090776,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103933,"usec":261249},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560737,"noise_level":-24.833176,"freq_skew":4.120189,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":165,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[96,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103934,"usec":23756},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.511009,"noise_level":-24.347012,"freq_skew":4.003208,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103934,"usec":783115},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213127,"noise_level":-23.996012,"freq_skew":4.208853,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103935,"usec":540074},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.938438,"noise_level":-23.658648,"freq_skew":4.183365,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[41,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":23,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103937,"usec":845783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.253316,"noise_level":-23.946335,"freq_skew":5.208060,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103937,"usec":861026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.618607,"noise_level":-24.415108,"freq_skew":0.932342,"avlc":{"src":{"addr":"406F3B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":126487},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832635,"noise_level":-23.484812,"freq_skew":3.881712,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":131342},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.201042,"noise_level":-23.433071,"freq_skew":1.705491,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026534","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,92,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":131342},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.201042,"noise_level":-23.433071,"freq_skew":1.705491,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABK","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"BT2140","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":133154},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700481,"noise_level":-23.407316,"freq_skew":6.242624,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":139898},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527861,"noise_level":-23.330507,"freq_skew":3.896664,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":11.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103940,"usec":884726},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910794,"noise_level":-23.141401,"freq_skew":3.969011,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[41,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":23,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103941,"usec":634781},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905215,"noise_level":-22.944126,"freq_skew":3.872128,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":15,"dst_ref":34784,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[199,180]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"transient","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":25,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NOT AUTHORIZED NEXT DATA AUTHORITY","choice":"dM107NULL","data":{}}}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103941,"usec":648883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.137577,"noise_level":-22.787075,"freq_skew":4.055153,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR11ME","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103942,"usec":414728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883213,"noise_level":-22.625723,"freq_skew":4.890706,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103943,"usec":979470},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.438413,"noise_level":-22.024191,"freq_skew":3.818244,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103946,"usec":259346},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130133,"noise_level":-21.198437,"freq_skew":3.166509,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103946,"usec":260558},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.717002,"noise_level":-21.188471,"freq_skew":1.738303,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103947,"usec":749699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887362,"noise_level":-20.904339,"freq_skew":3.578205,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103948,"usec":507373},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019650,"noise_level":-21.771767,"freq_skew":6.135036,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1038,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45528,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[15,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103948,"usec":508947},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348403,"noise_level":-21.761122,"freq_skew":5.144227,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":204,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103948,"usec":527283},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678990,"noise_level":-21.574371,"freq_skew":6.054034,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45528,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[45,181]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":14,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":25,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103949,"usec":306858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484712,"noise_level":-21.543190,"freq_skew":3.232078,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103950,"usec":845402},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773741,"noise_level":-21.745985,"freq_skew":6.241066,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,145,117,118]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41920,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[53,156,58,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":25,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103952,"usec":358592},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052190,"noise_level":-21.984348,"freq_skew":6.151580,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103953,"usec":109635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665617,"noise_level":-22.555984,"freq_skew":6.173594,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103954,"usec":630440},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791499,"noise_level":-22.350300,"freq_skew":6.274001,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103955,"usec":395613},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.758149,"noise_level":-22.553682,"freq_skew":5.334142,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59684,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[51,40,210,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103955,"usec":396707},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164409,"noise_level":-22.530403,"freq_skew":6.632703,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1123,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103957,"usec":698467},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.605752,"noise_level":-22.236252,"freq_skew":1.827267,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103957,"usec":703975},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.088775,"noise_level":-22.080347,"freq_skew":3.736200,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[58,136,76,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103959,"usec":989365},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004287,"noise_level":-23.105427,"freq_skew":2.437301,"avlc":{"src":{"addr":"06A0BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"OTHH"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":14.800000},"alt":18000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103960,"usec":733466},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353309,"noise_level":-23.055889,"freq_skew":6.593257,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1123,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103960,"usec":748455},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696072,"noise_level":-22.921007,"freq_skew":6.220792,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1041,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":45528,"variable_part_params":[{"name":"checksum","value":[60,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103961,"usec":496145},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.194722,"noise_level":-22.752438,"freq_skew":3.730687,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[58,136,76,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103961,"usec":509333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515079,"noise_level":-22.552050,"freq_skew":6.621233,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103963,"usec":78291},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050373,"noise_level":-23.052071,"freq_skew":3.188967,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103964,"usec":570599},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879999,"noise_level":-23.435162,"freq_skew":1.261659,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":390,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103965,"usec":329793},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955916,"noise_level":-23.447592,"freq_skew":3.172921,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LOWG"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":13.200000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103965,"usec":330649},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.916483,"noise_level":-23.544907,"freq_skew":2.199281,"avlc":{"src":{"addr":"06A0BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-BDA","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"QR044X","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103966,"usec":98268},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668183,"noise_level":-23.448088,"freq_skew":6.222883,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"4X02YR","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103969,"usec":877239},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017521,"noise_level":-23.826963,"freq_skew":5.338402,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103970,"usec":682555},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.551999,"noise_level":-23.457092,"freq_skew":3.924925,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JME","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"WK035Y","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103970,"usec":695633},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272768,"noise_level":-23.290581,"freq_skew":3.459233,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXL","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"BA08CD","msg_num":"S80","msg_num_seq":"A","msg_text":"0EV082603V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":26,"sec":3}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103970,"usec":698741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396771,"noise_level":-23.252604,"freq_skew":2.394218,"avlc":{"src":{"addr":"06A0BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103972,"usec":200532},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867828,"noise_level":-23.738691,"freq_skew":5.459982,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EFHK"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":10.400001},"alt":32000}},{"name":"alternate_ground_stations","value":["109D4A","10946A","1094DA","1092EA","1092FA","109C5A","1099EA","10930A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103972,"usec":969664},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654999,"noise_level":-23.745575,"freq_skew":2.973524,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103973,"usec":729031},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.192464,"noise_level":-23.353489,"freq_skew":4.123082,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":165,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[86,242]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103973,"usec":733457},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.474436,"noise_level":-23.251854,"freq_skew":5.298707,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59684,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[31,49,118,171]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59684,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,43,109,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":26,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103974,"usec":488430},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201145,"noise_level":-23.027431,"freq_skew":2.513348,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103976,"usec":28698},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319198,"noise_level":-22.583565,"freq_skew":4.303985,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103976,"usec":36914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739475,"noise_level":-23.436060,"freq_skew":1.516011,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103976,"usec":794704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278080,"noise_level":-23.320721,"freq_skew":2.333470,"avlc":{"src":{"addr":"3C6545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103978,"usec":318834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.781510,"noise_level":-22.996998,"freq_skew":3.503754,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103979,"usec":828704},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.942364,"noise_level":-22.427366,"freq_skew":1.206043,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103979,"usec":829362},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.543293,"noise_level":-22.427366,"freq_skew":6.086579,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":228,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,225,109,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103979,"usec":831853},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234975,"noise_level":-22.392975,"freq_skew":2.422205,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103979,"usec":841419},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.750716,"noise_level":-22.301924,"freq_skew":5.243532,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103979,"usec":847755},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.373016,"noise_level":-22.356112,"freq_skew":5.273808,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59684,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,248,217,61]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":26,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103983,"usec":672104},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215919,"noise_level":-21.135826,"freq_skew":4.365580,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103983,"usec":683731},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862411,"noise_level":-22.132185,"freq_skew":1.020274,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103984,"usec":428750},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816173,"noise_level":-22.010906,"freq_skew":1.019223,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41898,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[10,150,209,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103985,"usec":935969},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950588,"noise_level":-23.200806,"freq_skew":2.999972,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH03UW","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103985,"usec":935969},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.950588,"noise_level":-23.200806,"freq_skew":2.999972,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,243,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103987,"usec":451628},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.908995,"noise_level":-22.621975,"freq_skew":6.180579,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.400001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103988,"usec":212550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.777068,"noise_level":-22.586372,"freq_skew":3.031092,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103992,"usec":49561},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365240,"noise_level":-21.805054,"freq_skew":4.191644,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103992,"usec":806564},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056067,"noise_level":-21.635637,"freq_skew":5.373056,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRW","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH04NH","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103993,"usec":589205},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310888,"noise_level":-22.183792,"freq_skew":4.218386,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103994,"usec":345812},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460546,"noise_level":-22.517645,"freq_skew":4.240872,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LH06TQ","msg_num":"S85","msg_num_seq":"A","msg_text":"0EV082631V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":26,"sec":31}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103996,"usec":640231},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.041645,"noise_level":-23.013716,"freq_skew":5.936767,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14410,"dst_ref":7,"variable_part_params":[{"name":"atn_checksum","value":[181,119,159,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103997,"usec":403503},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.917968,"noise_level":-22.688101,"freq_skew":4.825685,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":34755,"variable_part_params":[{"name":"atn_checksum","value":[85,220,26,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103998,"usec":926442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.989716,"noise_level":-21.972685,"freq_skew":4.931805,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784103999,"usec":680843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254573,"noise_level":-23.083229,"freq_skew":4.125540,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104000,"usec":438324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275012,"noise_level":-23.381880,"freq_skew":1.295819,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104001,"usec":211200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219371,"noise_level":-22.871517,"freq_skew":4.331191,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104003,"usec":512775},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.368192,"noise_level":-22.639139,"freq_skew":4.231124,"avlc":{"src":{"addr":"4D2250","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":22,"variable_part_params":[{"name":"checksum","value":[156,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104005,"usec":796616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.939134,"noise_level":-22.861340,"freq_skew":6.362623,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104005,"usec":809432},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427273,"noise_level":-23.667053,"freq_skew":1.342428,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104006,"usec":573266},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131808,"noise_level":-24.277271,"freq_skew":6.098016,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":228,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[224,158,46,166]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"current-data-authority-abort"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104007,"usec":316677},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.480127,"noise_level":-24.150288,"freq_skew":1.276674,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104008,"usec":78919},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101788,"noise_level":-23.780107,"freq_skew":3.425746,"avlc":{"src":{"addr":"4D2490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104010,"usec":395950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719067,"noise_level":-23.156044,"freq_skew":2.979019,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104011,"usec":156320},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968431,"noise_level":-23.312504,"freq_skew":2.918149,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104011,"usec":161132},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102357,"noise_level":-23.249142,"freq_skew":1.127605,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52037,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[39,217,101,42]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":26,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104011,"usec":902883},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033758,"noise_level":-24.398590,"freq_skew":1.271065,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42023,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[221,226,253,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":26,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104011,"usec":903419},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769701,"noise_level":-24.809320,"freq_skew":5.943941,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RNN","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR53CB","msg_num":"M76","msg_num_seq":"A","msg_text":"082649,,0850, 127,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104012,"usec":670414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478016,"noise_level":-24.253292,"freq_skew":1.064390,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104013,"usec":436544},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680264,"noise_level":-24.312523,"freq_skew":1.379255,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4295,"dst_ref":52037,"variable_part_params":[{"name":"atn_checksum","value":[237,180,82,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104013,"usec":441356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976278,"noise_level":-25.160389,"freq_skew":4.305124,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104014,"usec":193343},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855792,"noise_level":-25.134842,"freq_skew":6.224032,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104014,"usec":936113},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010825,"noise_level":-25.674805,"freq_skew":3.675833,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":178,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,138,166,5]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104016,"usec":501185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222363,"noise_level":-24.927254,"freq_skew":5.883179,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104016,"usec":510505},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912183,"noise_level":-24.790480,"freq_skew":6.062374,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104016,"usec":519053},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667821,"noise_level":-25.566467,"freq_skew":4.179658,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":41891,"variable_part_params":[{"name":"atn_checksum","value":[113,80,180,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104017,"usec":250251},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.347229,"noise_level":-25.533554,"freq_skew":5.182137,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":146,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104018,"usec":15252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.465297,"noise_level":-25.101036,"freq_skew":4.129607,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104018,"usec":28094},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.365236,"noise_level":-24.900227,"freq_skew":4.493765,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41999,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[246,129]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104018,"usec":785017},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459056,"noise_level":-24.585339,"freq_skew":5.049020,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59744,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[176,90,180,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":26,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104020,"usec":291088},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.175114,"noise_level":-24.029207,"freq_skew":5.037070,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":146,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104020,"usec":308703},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654288,"noise_level":-24.274792,"freq_skew":4.172572,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"2","ack":"C","flight":"LH06TQ","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104021,"usec":797931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.846395,"noise_level":-23.804646,"freq_skew":4.951889,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104021,"usec":798199},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032722,"noise_level":-23.804646,"freq_skew":3.777034,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH02PR","msg_num":"M14","msg_num_seq":"A","msg_text":"02820209283M,HAH0DKV0Y+GU46(*1Y9(1KAI9ES6:MS++0P8FV+8-1RROU9J4+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104021,"usec":802426},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765276,"noise_level":-24.112118,"freq_skew":3.184745,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":13.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104023,"usec":324757},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095424,"noise_level":-23.545319,"freq_skew":1.281047,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104024,"usec":884962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713625,"noise_level":-23.382322,"freq_skew":4.225090,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104025,"usec":661797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.538101,"noise_level":-24.186493,"freq_skew":3.670486,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104026,"usec":396590},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614576,"noise_level":-23.991777,"freq_skew":1.186329,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104026,"usec":396590},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.614576,"noise_level":-23.991777,"freq_skew":1.186329,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3663,"dst_ref":45658,"variable_part_params":[{"name":"atn_checksum","value":[44,9,171,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104027,"usec":178812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281952,"noise_level":-23.484268,"freq_skew":4.906339,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104029,"usec":451614},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862820,"noise_level":-23.172817,"freq_skew":6.348416,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104030,"usec":195297},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820726,"noise_level":-23.515450,"freq_skew":1.252741,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104030,"usec":195297},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.820726,"noise_level":-23.515450,"freq_skew":1.252741,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3663,"dst_ref":45658,"variable_part_params":[{"name":"atn_checksum","value":[44,9,171,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104030,"usec":989198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.033986,"noise_level":-24.836517,"freq_skew":6.286747,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104030,"usec":993731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370333,"noise_level":-25.050217,"freq_skew":6.103256,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104032,"usec":523663},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889904,"noise_level":-24.306221,"freq_skew":4.066045,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGKF"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":9.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104032,"usec":527521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114565,"noise_level":-24.263544,"freq_skew":1.295550,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104033,"usec":274977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.676736,"noise_level":-24.480438,"freq_skew":4.725041,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104033,"usec":281368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.764776,"noise_level":-24.393578,"freq_skew":2.406580,"avlc":{"src":{"addr":"06A0BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104037,"usec":112757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213119,"noise_level":-22.920238,"freq_skew":3.933433,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104037,"usec":870217},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903392,"noise_level":-22.899769,"freq_skew":1.061525,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[243,102,13,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104037,"usec":873567},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615050,"noise_level":-22.863457,"freq_skew":4.210633,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057351","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,233,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104038,"usec":636045},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879539,"noise_level":-23.357777,"freq_skew":3.921926,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"U243XQ","msg_num":"S33","msg_num_seq":"A","msg_text":"0EV082711V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":27,"sec":11}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104038,"usec":650585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823187,"noise_level":-23.205692,"freq_skew":4.221677,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104040,"usec":907401},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205647,"noise_level":-22.505974,"freq_skew":4.227396,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104040,"usec":909284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236314,"noise_level":-23.528442,"freq_skew":3.875628,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104041,"usec":676526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974748,"noise_level":-23.096062,"freq_skew":3.822287,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104042,"usec":433396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375179,"noise_level":-22.779352,"freq_skew":1.832401,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104046,"usec":264583},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765102,"noise_level":-21.573338,"freq_skew":3.658529,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILD","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH003M","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104048,"usec":528783},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.257964,"noise_level":-20.960415,"freq_skew":2.885975,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":13.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104048,"usec":538505},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001869,"noise_level":-20.902401,"freq_skew":3.594735,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,57,92,229]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104048,"usec":555073},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042129,"noise_level":-20.749559,"freq_skew":4.133884,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":221,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[5,35,20,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104050,"usec":846906},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231203,"noise_level":-20.936348,"freq_skew":3.272534,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104050,"usec":846906},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.231203,"noise_level":-20.936348,"freq_skew":3.272534,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104050,"usec":857959},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161633,"noise_level":-20.840137,"freq_skew":3.303340,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104051,"usec":613814},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633525,"noise_level":-20.632149,"freq_skew":6.314305,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[4,142,106,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104051,"usec":614707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319789,"noise_level":-21.866421,"freq_skew":0.380820,"avlc":{"src":{"addr":"4B1883","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104051,"usec":615257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.761353,"noise_level":-22.325809,"freq_skew":2.173151,"avlc":{"src":{"addr":"06A0BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104051,"usec":624479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724828,"noise_level":-22.179461,"freq_skew":3.414997,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104052,"usec":379661},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937984,"noise_level":-21.980808,"freq_skew":3.722081,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[225,250,36,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104052,"usec":379661},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.937984,"noise_level":-21.980808,"freq_skew":3.722081,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,57,92,229]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104055,"usec":401151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696339,"noise_level":-22.667387,"freq_skew":3.537525,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104055,"usec":411189},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698358,"noise_level":-23.395092,"freq_skew":4.550273,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104055,"usec":418536},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148448,"noise_level":-23.308128,"freq_skew":1.235096,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104056,"usec":968687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702459,"noise_level":-22.854992,"freq_skew":4.592700,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104056,"usec":972206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185271,"noise_level":-22.818869,"freq_skew":1.297585,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104056,"usec":973819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432670,"noise_level":-22.806858,"freq_skew":2.411439,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104057,"usec":715673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.036005,"noise_level":-22.593510,"freq_skew":2.580201,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104059,"usec":240016},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059610,"noise_level":-24.082834,"freq_skew":3.947902,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59700,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[235,101,175,82]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59700,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[209,57,180,13]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104059,"usec":242773},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886507,"noise_level":-24.055082,"freq_skew":3.896158,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":178,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[153,56,101,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104059,"usec":256830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182524,"noise_level":-23.863260,"freq_skew":4.270540,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104060,"usec":10186},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859104,"noise_level":-23.649099,"freq_skew":4.100904,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104060,"usec":749183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021649,"noise_level":-24.664803,"freq_skew":3.949118,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104061,"usec":508647},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686146,"noise_level":-24.300993,"freq_skew":1.233109,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104063,"usec":28706},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299999,"noise_level":-23.867279,"freq_skew":4.819804,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"LH06TQ","msg_num":"M75","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104063,"usec":788001},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001750,"noise_level":-24.708790,"freq_skew":4.144022,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59700,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,57,32,254]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104063,"usec":796024},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.426326,"noise_level":-24.502151,"freq_skew":3.884660,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,113,147,149]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104064,"usec":587789},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186285,"noise_level":-24.201128,"freq_skew":3.895811,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104065,"usec":353503},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.659265,"noise_level":-23.964859,"freq_skew":1.091730,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104065,"usec":365453},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147171,"noise_level":-24.088654,"freq_skew":3.030586,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104066,"usec":102346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731482,"noise_level":-24.060883,"freq_skew":4.265048,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104068,"usec":385160},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859383,"noise_level":-24.744551,"freq_skew":4.028211,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,113,147,149]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":27,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104068,"usec":385160},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.859383,"noise_level":-24.744551,"freq_skew":4.028211,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":59700,"variable_part_params":[{"name":"atn_checksum","value":[101,145,187,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104069,"usec":134302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019608,"noise_level":-24.493246,"freq_skew":4.529841,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104070,"usec":659326},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036258,"noise_level":-23.673496,"freq_skew":1.264454,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104072,"usec":236574},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991502,"noise_level":-23.597233,"freq_skew":3.933513,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104074,"usec":495320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.154693,"noise_level":-22.794378,"freq_skew":4.309327,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104075,"usec":254772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796803,"noise_level":-22.476734,"freq_skew":3.470352,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104075,"usec":263900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850895,"noise_level":-22.373386,"freq_skew":4.054826,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104076,"usec":12177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138460,"noise_level":-22.215021,"freq_skew":5.146568,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104076,"usec":779373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042476,"noise_level":-22.118158,"freq_skew":4.295231,"avlc":{"src":{"addr":"4863DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104076,"usec":781651},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677939,"noise_level":-22.239613,"freq_skew":5.050915,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104077,"usec":571133},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713359,"noise_level":-22.105759,"freq_skew":5.235506,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47478,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[222,152,53,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104079,"usec":860879},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751112,"noise_level":-21.093416,"freq_skew":4.955113,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104084,"usec":435861},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699891,"noise_level":-20.919479,"freq_skew":4.181707,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104086,"usec":728890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.460397,"noise_level":-20.082447,"freq_skew":0.686667,"avlc":{"src":{"addr":"4B1883","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104087,"usec":470150},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049795,"noise_level":-19.857397,"freq_skew":5.545472,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-AZP","mode":"2","label":"80","blk_id":"4","ack":"!","flight":"PC27MP","msg_num":"M35","msg_num_seq":"A","msg_text":"3N01 POSRPT/27MP/ORGDATE0828/09 LTFJ/LSZH .TC-AZP\r\n/POS -----/N47410/-/ETA0851/FOB 10400"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104089,"usec":744233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747188,"noise_level":-19.286968,"freq_skew":0.998040,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104092,"usec":59305},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850028,"noise_level":-19.159573,"freq_skew":4.820094,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":214,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[124,162]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104093,"usec":603644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082330,"noise_level":-18.609638,"freq_skew":2.965800,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZPX","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U22879","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104094,"usec":340696},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571652,"noise_level":-18.397612,"freq_skew":6.162268,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5113,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104095,"usec":113979},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.460600,"noise_level":-18.297077,"freq_skew":4.691154,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[236,25]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104095,"usec":867093},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.325365,"noise_level":-18.134399,"freq_skew":4.681681,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59701,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[50,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104096,"usec":607783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.014122,"noise_level":-18.166010,"freq_skew":1.583173,"avlc":{"src":{"addr":"4CAD57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104096,"usec":610627},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874133,"noise_level":-18.238356,"freq_skew":3.891316,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[137,253,65,116]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,254,42,139]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":28,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104097,"usec":426970},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458749,"noise_level":-18.714073,"freq_skew":4.705125,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":10.100000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":175585},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044776,"noise_level":-18.580275,"freq_skew":2.487989,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1004,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":179302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906137,"noise_level":-18.558174,"freq_skew":5.531118,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":186378},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.510571,"noise_level":-18.506824,"freq_skew":4.759859,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":192591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042447,"noise_level":-18.463049,"freq_skew":6.079911,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":934541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861034,"noise_level":-18.952747,"freq_skew":4.787442,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":941025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621310,"noise_level":-18.891369,"freq_skew":3.895795,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104098,"usec":942601},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.353056,"noise_level":-19.575890,"freq_skew":6.006529,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1042,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104102,"usec":743908},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.981066,"noise_level":-18.576790,"freq_skew":3.098718,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZPX","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U22879","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104104,"usec":253937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152822,"noise_level":-19.842960,"freq_skew":6.265830,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104106,"usec":569177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765466,"noise_level":-19.249514,"freq_skew":4.895154,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104107,"usec":326459},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589538,"noise_level":-21.409119,"freq_skew":3.043018,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZPX","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U22879","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104108,"usec":74238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768151,"noise_level":-21.147484,"freq_skew":6.079364,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104108,"usec":838329},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.844825,"noise_level":-21.841732,"freq_skew":5.973149,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RNN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR53CB","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104110,"usec":372130},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872965,"noise_level":-22.329626,"freq_skew":1.260179,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104111,"usec":170444},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341224,"noise_level":-22.208452,"freq_skew":6.208430,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104111,"usec":936079},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779899,"noise_level":-21.846478,"freq_skew":1.252581,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[63,236,117,127]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104112,"usec":685890},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854768,"noise_level":-21.655216,"freq_skew":1.168355,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45670,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[229,247,181,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104112,"usec":685890},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.854768,"noise_level":-21.655216,"freq_skew":1.168355,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45670,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,42,32,227]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4967920,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"SXS22H","long_tsap":{"rdp":[65,83,88,83,0],"short_tsap":{"ars":[75,205,240],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,67,77]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,83,88,83,0],"short_tsap":{"ars":[75,205,240],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,22,0]}}}}}}],"departure_airport":"EDDL","destination_airport":"LTCB"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104115,"usec":711825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194127,"noise_level":-21.765160,"freq_skew":6.014711,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104115,"usec":725113},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344984,"noise_level":-21.663242,"freq_skew":1.464549,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[63,236,117,127]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104116,"usec":486355},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865935,"noise_level":-22.168264,"freq_skew":1.165270,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45670,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[89,151,176,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104116,"usec":487391},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860914,"noise_level":-23.082706,"freq_skew":1.239069,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3664,"dst_ref":45670,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[119,175,181,249]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104117,"usec":232792},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504057,"noise_level":-22.923155,"freq_skew":4.717623,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":113,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104118,"usec":29508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188999,"noise_level":-23.776508,"freq_skew":1.191952,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104119,"usec":563370},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.840906,"noise_level":-24.349739,"freq_skew":4.687024,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41980,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[100,27]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104122,"usec":598081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644862,"noise_level":-24.218550,"freq_skew":2.774859,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104123,"usec":343627},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717446,"noise_level":-24.474346,"freq_skew":4.555773,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":8.600000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104123,"usec":360328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.654678,"noise_level":-24.517902,"freq_skew":6.838627,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104123,"usec":361982},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537944,"noise_level":-24.488728,"freq_skew":4.770388,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41980,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[209,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104124,"usec":114898},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625535,"noise_level":-24.523914,"freq_skew":2.890224,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":210,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[18,33,143,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104124,"usec":117233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249361,"noise_level":-24.509304,"freq_skew":4.820144,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104124,"usec":902886},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904551,"noise_level":-25.248283,"freq_skew":4.832552,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104124,"usec":906727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479690,"noise_level":-25.200731,"freq_skew":4.552505,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104126,"usec":426749},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381276,"noise_level":-24.616455,"freq_skew":2.933889,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104127,"usec":189329},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190705,"noise_level":-24.198105,"freq_skew":3.063796,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104127,"usec":942786},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729496,"noise_level":-24.051725,"freq_skew":3.007678,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":159,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,90,89,0,64,113,217],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104130,"usec":209889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.520781,"noise_level":-24.022646,"freq_skew":4.854683,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104130,"usec":222513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552326,"noise_level":-23.858576,"freq_skew":3.038930,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104130,"usec":230176},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742280,"noise_level":-23.764282,"freq_skew":3.081507,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104132,"usec":529713},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958230,"noise_level":-24.180748,"freq_skew":3.172063,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":162,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104133,"usec":305307},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975152,"noise_level":-23.822317,"freq_skew":4.760016,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":14,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[235,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":28,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104134,"usec":46368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.627351,"noise_level":-23.698498,"freq_skew":2.391971,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[118,71,171,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104134,"usec":61321},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981325,"noise_level":-23.514309,"freq_skew":6.187119,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104134,"usec":815779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.545663,"noise_level":-23.207371,"freq_skew":3.817902,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104134,"usec":819988},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.082271,"noise_level":-23.107422,"freq_skew":3.779834,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[170,103,81,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104135,"usec":564309},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134397,"noise_level":-23.675674,"freq_skew":3.102825,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":162,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104136,"usec":318148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.694977,"noise_level":-23.544060,"freq_skew":3.580864,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRY","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"LH04PP","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104137,"usec":93336},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825303,"noise_level":-22.926483,"freq_skew":4.860939,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":14,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[235,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":28,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104137,"usec":884594},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756124,"noise_level":-22.853792,"freq_skew":4.750207,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[229,13]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104138,"usec":655601},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484467,"noise_level":-22.452988,"freq_skew":5.138603,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":89,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104140,"usec":170971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255349,"noise_level":-22.020691,"freq_skew":4.786580,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104140,"usec":919788},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077962,"noise_level":-21.814884,"freq_skew":4.741116,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR18RQ","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104141,"usec":663112},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.143037,"noise_level":-21.645281,"freq_skew":1.237650,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"XQ08UH","msg_num":"M38","msg_num_seq":"A","msg_text":"082858,+37996,0906,8360,N 50.1997,E 12.2058,SXS8UH ,5,7,4,925760,/,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104141,"usec":666873},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565413,"noise_level":-22.096073,"freq_skew":5.456193,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5458,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104143,"usec":201891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697721,"noise_level":-22.319334,"freq_skew":5.504637,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104144,"usec":751790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.623702,"noise_level":-22.351215,"freq_skew":4.642742,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104145,"usec":523407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236909,"noise_level":-22.198526,"freq_skew":3.083051,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104147,"usec":790026},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.997818,"noise_level":-21.438437,"freq_skew":4.917433,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[132,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104147,"usec":801261},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253987,"noise_level":-21.306190,"freq_skew":4.780894,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":62,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[3,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104149,"usec":316736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034031,"noise_level":-20.853785,"freq_skew":4.609276,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104150,"usec":58873},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466670,"noise_level":-20.758476,"freq_skew":4.930785,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"LH04JP","msg_num":"M69","msg_num_seq":"A","msg_text":"/EDDS.TI2/040EDDSA4B44"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104150,"usec":810928},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616127,"noise_level":-21.009460,"freq_skew":5.265462,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"_d","blk_id":"2","ack":"A","flight":"LH04JP","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104151,"usec":622126},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458282,"noise_level":-20.893164,"freq_skew":6.112474,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[4,142,106,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104152,"usec":396236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087810,"noise_level":-20.516384,"freq_skew":4.382338,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104153,"usec":132903},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421503,"noise_level":-21.339142,"freq_skew":4.840494,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[117,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104153,"usec":913638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538989,"noise_level":-20.913961,"freq_skew":4.786431,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104156,"usec":175950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075676,"noise_level":-20.326351,"freq_skew":4.483459,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59766,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[92,75,121,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104156,"usec":939049},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.923313,"noise_level":-20.143824,"freq_skew":5.908809,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104158,"usec":495702},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561455,"noise_level":-20.064091,"freq_skew":2.615338,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104159,"usec":262289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164709,"noise_level":-20.573614,"freq_skew":5.370124,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104160,"usec":20199},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316942,"noise_level":-20.622841,"freq_skew":5.880399,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104160,"usec":760679},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667397,"noise_level":-20.502365,"freq_skew":2.845285,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104160,"usec":774005},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725487,"noise_level":-20.642069,"freq_skew":2.572663,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":3625,"dst_ref":42089,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[141,226,0,183]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104162,"usec":292817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632465,"noise_level":-20.168869,"freq_skew":3.168089,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104163,"usec":44032},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971426,"noise_level":-20.184246,"freq_skew":4.865012,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[113,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104166,"usec":130794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947857,"noise_level":-19.332102,"freq_skew":4.749690,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104172,"usec":243713},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.767819,"noise_level":-18.849993,"freq_skew":4.601257,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104172,"usec":243988},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.347787,"noise_level":-18.849993,"freq_skew":3.788399,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRY","mode":"2","label":"_d","blk_id":"3","ack":"E","flight":"LH04PP","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104172,"usec":991862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293642,"noise_level":-18.906921,"freq_skew":2.561617,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104173,"usec":757115},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548108,"noise_level":-18.665230,"freq_skew":4.128088,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N663CA","mode":"2","label":"_d","blk_id":"5","ack":"O","flight":"N80880","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104174,"usec":528176},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.100913,"noise_level":-20.053377,"freq_skew":5.689724,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104175,"usec":272239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465542,"noise_level":-19.949131,"freq_skew":0.954079,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104175,"usec":276875},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605354,"noise_level":-20.868732,"freq_skew":2.950163,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":212,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104176,"usec":27554},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536001,"noise_level":-21.322069,"freq_skew":0.672538,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41955,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[91,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104176,"usec":42139},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.389771,"noise_level":-21.171667,"freq_skew":6.962607,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45598,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[220,107]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104176,"usec":778490},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579153,"noise_level":-21.151810,"freq_skew":0.961146,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41955,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[203,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104176,"usec":793299},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449999,"noise_level":-21.861765,"freq_skew":4.234404,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH06TQ","msg_num":"M76","msg_num_seq":"A","msg_text":"000602342424HO-7DMAM)KKL,0853,2ML1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104177,"usec":538269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294827,"noise_level":-21.776089,"freq_skew":2.823572,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104177,"usec":544896},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421062,"noise_level":-21.712383,"freq_skew":1.274222,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104177,"usec":556433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320961,"noise_level":-21.565529,"freq_skew":3.752466,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104178,"usec":303819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646870,"noise_level":-21.481792,"freq_skew":0.788656,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104178,"usec":309461},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624873,"noise_level":-22.325907,"freq_skew":5.932091,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"4X02YR","msg_num":"J18","msg_num_seq":"A","msg_text":"/EDDL.TI2/000EDDLA99CF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104179,"usec":108709},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019698,"noise_level":-22.090704,"freq_skew":3.025846,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45590,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[59,20,231,89]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45590,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,18,228,181]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104181,"usec":386478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753600,"noise_level":-21.250214,"freq_skew":4.160151,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104181,"usec":386860},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815330,"noise_level":-21.250214,"freq_skew":3.317903,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LOWG"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":13.800000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104182,"usec":141105},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953073,"noise_level":-21.513140,"freq_skew":1.346367,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104182,"usec":901352},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975537,"noise_level":-21.637297,"freq_skew":3.139506,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45590,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[59,20,231,89]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45590,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,18,228,181]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104183,"usec":648869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577425,"noise_level":-21.491692,"freq_skew":3.480450,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104184,"usec":406709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243516,"noise_level":-21.197636,"freq_skew":2.469162,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104184,"usec":412457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594636,"noise_level":-21.118238,"freq_skew":3.148608,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104184,"usec":417179},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386000,"noise_level":-21.355732,"freq_skew":0.773196,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":41955,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104185,"usec":208174},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196287,"noise_level":-21.295023,"freq_skew":3.823565,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XQ09UL","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104185,"usec":219913},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088127,"noise_level":-21.135181,"freq_skew":4.560985,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[102,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104185,"usec":972792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.058628,"noise_level":-21.180767,"freq_skew":3.518304,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104186,"usec":720569},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608192,"noise_level":-20.993729,"freq_skew":0.799143,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41955,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[87,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104187,"usec":501924},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.717240,"noise_level":-21.014803,"freq_skew":3.080936,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45590,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,127,146,15]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104188,"usec":244367},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.446805,"noise_level":-21.401224,"freq_skew":4.769815,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104189,"usec":1104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884562,"noise_level":-20.973064,"freq_skew":4.737289,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104189,"usec":764392},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.065288,"noise_level":-20.876448,"freq_skew":3.106615,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104189,"usec":764392},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.065288,"noise_level":-20.876448,"freq_skew":3.106615,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[96,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104189,"usec":767045},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043366,"noise_level":-20.857254,"freq_skew":3.874661,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104190,"usec":518743},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.412900,"noise_level":-20.714624,"freq_skew":3.219684,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104190,"usec":521014},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.072030,"noise_level":-20.705200,"freq_skew":2.948461,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":13.900001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104190,"usec":524924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496934,"noise_level":-20.676983,"freq_skew":1.390099,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104190,"usec":542843},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225961,"noise_level":-20.597561,"freq_skew":3.057095,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":886,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[136,110,73,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104191,"usec":277964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623477,"noise_level":-20.551163,"freq_skew":4.484451,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104192,"usec":94134},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.226836,"noise_level":-20.179758,"freq_skew":5.974485,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":14412,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[65,248]},{"name":"atn_checksum","value":[97,55,112,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104192,"usec":846822},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266783,"noise_level":-20.030300,"freq_skew":3.714280,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...1407","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH0001","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104192,"usec":854041},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011718,"noise_level":-19.960848,"freq_skew":5.733441,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104193,"usec":591576},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397008,"noise_level":-19.883373,"freq_skew":5.986212,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104193,"usec":595145},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885950,"noise_level":-19.781134,"freq_skew":5.840698,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104193,"usec":596483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.630218,"noise_level":-19.747320,"freq_skew":3.724105,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104194,"usec":361764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625359,"noise_level":-19.638327,"freq_skew":3.121770,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104195,"usec":117233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.148026,"noise_level":-19.456934,"freq_skew":3.860130,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104195,"usec":117955},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077869,"noise_level":-19.456934,"freq_skew":2.442539,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59713,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[239,155,46,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104195,"usec":119624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.799892,"noise_level":-20.178415,"freq_skew":6.086298,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59773,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[106,54,29,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104199,"usec":706024},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941895,"noise_level":-19.064812,"freq_skew":3.236970,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":13.900001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104199,"usec":709903},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.501583,"noise_level":-19.041445,"freq_skew":4.588247,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32733,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":21,"acked_subseq":0,"acked_credit":5}},{"name":"atn_checksum","value":[88,207,59,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104200,"usec":459011},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916367,"noise_level":-18.871983,"freq_skew":4.319352,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104200,"usec":461861},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135672,"noise_level":-19.223097,"freq_skew":5.362931,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"LKPD"},{"name":"ac_location","value":{"loc":{"lat":45.799999,"lon":10.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104202,"usec":739534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.686589,"noise_level":-20.315371,"freq_skew":2.289280,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104203,"usec":516773},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679403,"noise_level":-20.075520,"freq_skew":2.573534,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[233,59,132,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104204,"usec":259592},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341184,"noise_level":-19.988338,"freq_skew":3.004748,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":886,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,145,170,39]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":29,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104205,"usec":9623},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.210587,"noise_level":-19.757233,"freq_skew":3.316269,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":886,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[66,6,156,114]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104205,"usec":9623},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.210587,"noise_level":-19.757233,"freq_skew":3.316269,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":886,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,70,166,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":30,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104205,"usec":11920},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.191296,"noise_level":-19.689920,"freq_skew":5.685481,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104205,"usec":790752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920675,"noise_level":-19.458355,"freq_skew":2.203332,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104206,"usec":582387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109677,"noise_level":-19.401417,"freq_skew":3.052912,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104207,"usec":338114},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285928,"noise_level":-19.090839,"freq_skew":2.356150,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[233,59,132,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104208,"usec":99029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.794878,"noise_level":-19.028481,"freq_skew":3.458790,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104208,"usec":872144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793904,"noise_level":-18.894157,"freq_skew":5.593306,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104208,"usec":877951},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692163,"noise_level":-20.059757,"freq_skew":3.036226,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104209,"usec":610677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927043,"noise_level":-19.920937,"freq_skew":5.301744,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104210,"usec":380594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857433,"noise_level":-19.742039,"freq_skew":5.025362,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104212,"usec":703765},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740414,"noise_level":-20.028324,"freq_skew":3.056458,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104212,"usec":706009},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.417052,"noise_level":-20.010912,"freq_skew":2.963181,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104217,"usec":240958},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822937,"noise_level":-20.159491,"freq_skew":3.696929,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[137,253,65,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":2534},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829404,"noise_level":-20.694145,"freq_skew":1.205400,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[188,210,58,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":2534},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.829404,"noise_level":-20.694145,"freq_skew":1.205400,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42023,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[184,31,86,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":30,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":6614},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720114,"noise_level":-20.675350,"freq_skew":4.477428,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EPMO"},{"name":"ac_location","value":{"loc":{"lat":52.400002,"lon":10.200000},"alt":37000}},{"name":"alternate_ground_stations","value":["109F2A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":765019},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.749410,"noise_level":-21.069790,"freq_skew":4.149511,"avlc":{"src":{"addr":"4D2301","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":9120,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[64,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":766933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745839,"noise_level":-21.059971,"freq_skew":1.241211,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104218,"usec":778319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958632,"noise_level":-21.962120,"freq_skew":4.227053,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104221,"usec":87221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648991,"noise_level":-22.501759,"freq_skew":3.039387,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[18,33,143,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104221,"usec":835057},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.728338,"noise_level":-23.229233,"freq_skew":5.185114,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59744,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[83,172,26,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104221,"usec":849993},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999981,"noise_level":-23.042297,"freq_skew":1.224617,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":6.400000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104221,"usec":852883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973808,"noise_level":-23.017673,"freq_skew":4.284995,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5827,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47240,"sseq":16,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[65,167]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104222,"usec":616109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514207,"noise_level":-23.843861,"freq_skew":4.164219,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104223,"usec":360278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794988,"noise_level":-23.709688,"freq_skew":5.846800,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104224,"usec":118409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471466,"noise_level":-23.807524,"freq_skew":4.637441,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104225,"usec":677076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989841,"noise_level":-23.109262,"freq_skew":3.777417,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104226,"usec":429969},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207959,"noise_level":-22.864256,"freq_skew":5.847437,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104226,"usec":433209},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696729,"noise_level":-22.828094,"freq_skew":1.410302,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":179,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104226,"usec":436613},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.972332,"noise_level":-22.792082,"freq_skew":5.821773,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104226,"usec":446835},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628111,"noise_level":-22.673111,"freq_skew":2.586578,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":6.200000},"alt":29000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104227,"usec":947093},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.027578,"noise_level":-22.325668,"freq_skew":1.138234,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUN","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH003A","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104227,"usec":947093},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.027578,"noise_level":-22.325668,"freq_skew":1.138234,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063256","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,102,174,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104228,"usec":710246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789211,"noise_level":-21.991592,"freq_skew":1.261813,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104230,"usec":241815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223994,"noise_level":-21.946064,"freq_skew":1.296220,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104231,"usec":744776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871002,"noise_level":-21.480597,"freq_skew":1.491552,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104231,"usec":754637},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.349729,"noise_level":-21.398581,"freq_skew":4.122395,"avlc":{"src":{"addr":"4D2301","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":9124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[53,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104232,"usec":538200},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652098,"noise_level":-21.603281,"freq_skew":1.247057,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104234,"usec":63477},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767328,"noise_level":-21.545506,"freq_skew":1.301198,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[18,159,108,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104235,"usec":596028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.517814,"noise_level":-21.616116,"freq_skew":3.406699,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104236,"usec":337042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.669318,"noise_level":-21.501787,"freq_skew":3.069657,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104236,"usec":342687},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.302709,"noise_level":-21.419573,"freq_skew":3.313919,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXL","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"BA08CD","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104240,"usec":184242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188606,"noise_level":-20.191231,"freq_skew":4.244166,"avlc":{"src":{"addr":"4D2301","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104243,"usec":198645},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216971,"noise_level":-19.467489,"freq_skew":1.018705,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104244,"usec":723237},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136675,"noise_level":-18.990650,"freq_skew":4.825037,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104244,"usec":728558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.525825,"noise_level":-18.944376,"freq_skew":2.728900,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":132,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104244,"usec":731344},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.165403,"noise_level":-18.913662,"freq_skew":4.130321,"avlc":{"src":{"addr":"4D2301","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":9125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":10,"dst_ref":199,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[31,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104247,"usec":796109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151788,"noise_level":-18.931829,"freq_skew":2.847104,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104248,"usec":559803},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652440,"noise_level":-18.824957,"freq_skew":3.805739,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42010,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[181,184]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104248,"usec":572564},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367314,"noise_level":-19.248734,"freq_skew":5.818804,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14412,"dst_ref":59773,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[155,183,137,226]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104249,"usec":331242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.662565,"noise_level":-19.012972,"freq_skew":2.487808,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104250,"usec":68310},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.469160,"noise_level":-18.844059,"freq_skew":4.766117,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104251,"usec":598633},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.501554,"noise_level":-18.930077,"freq_skew":3.838115,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":178,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[153,56,101,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104251,"usec":599190},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099292,"noise_level":-18.930077,"freq_skew":5.460308,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104252,"usec":400133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.550323,"noise_level":-21.233059,"freq_skew":5.534922,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[4,142,106,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104253,"usec":169208},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765052,"noise_level":-22.177752,"freq_skew":3.922437,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42010,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[85,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104253,"usec":170151},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614456,"noise_level":-22.794014,"freq_skew":4.946505,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRN","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"DE0115","msg_num":"M31","msg_num_seq":"A","msg_text":"34DE2115,D,EDDF,0837"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104253,"usec":917211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.728578,"noise_level":-22.600935,"freq_skew":2.529136,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104254,"usec":669799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278217,"noise_level":-22.381092,"freq_skew":4.661718,"avlc":{"src":{"addr":"3C7A4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104254,"usec":685316},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.313117,"noise_level":-22.998184,"freq_skew":3.577997,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":178,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[153,56,101,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104255,"usec":443221},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387785,"noise_level":-23.538034,"freq_skew":4.926459,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104255,"usec":446990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541116,"noise_level":-23.551590,"freq_skew":5.500677,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[4,142,106,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104256,"usec":186624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564225,"noise_level":-24.518480,"freq_skew":5.599964,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"_d","blk_id":"9","ack":"R","flight":"4X02YR","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104256,"usec":955402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091772,"noise_level":-25.202381,"freq_skew":4.061170,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104256,"usec":957603},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441537,"noise_level":-25.170818,"freq_skew":3.017054,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104257,"usec":720694},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.520873,"noise_level":-24.740570,"freq_skew":2.266064,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[193,73,164,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104260,"usec":27414},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109740,"noise_level":-23.776655,"freq_skew":5.034628,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[102,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104260,"usec":42287},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.363252,"noise_level":-23.626686,"freq_skew":4.802774,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[102,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104260,"usec":789751},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770601,"noise_level":-23.444000,"freq_skew":4.883237,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[102,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104261,"usec":549315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404571,"noise_level":-23.127031,"freq_skew":4.929772,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104261,"usec":556465},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579652,"noise_level":-23.040316,"freq_skew":6.001102,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104263,"usec":66105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.063023,"noise_level":-23.226219,"freq_skew":5.103862,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104263,"usec":76103},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.052147,"noise_level":-24.189354,"freq_skew":3.693537,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":178,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[153,56,101,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104263,"usec":80558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020484,"noise_level":-24.133255,"freq_skew":4.881053,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3451,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104265,"usec":327848},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.445849,"noise_level":-23.396542,"freq_skew":1.145405,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":402,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104265,"usec":343005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.841671,"noise_level":-23.218584,"freq_skew":3.165513,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104266,"usec":94328},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388006,"noise_level":-22.970520,"freq_skew":3.380845,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"DTTA"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":8.900001},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104269,"usec":927259},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109338,"noise_level":-21.625195,"freq_skew":5.650743,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104269,"usec":941244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630326,"noise_level":-21.980423,"freq_skew":4.897859,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104269,"usec":945728},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987539,"noise_level":-21.993998,"freq_skew":1.172632,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104269,"usec":948523},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411004,"noise_level":-22.494774,"freq_skew":3.859990,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR09GA","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104274,"usec":534890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168849,"noise_level":-22.230240,"freq_skew":0.653854,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104275,"usec":277672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.789883,"noise_level":-22.608841,"freq_skew":3.526842,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104276,"usec":56448},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.408879,"noise_level":-22.052330,"freq_skew":3.388659,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"DTTA"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":8.900001},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104278,"usec":306284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843961,"noise_level":-21.518990,"freq_skew":5.608265,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104278,"usec":312087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999689,"noise_level":-21.467411,"freq_skew":3.115599,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104285,"usec":959143},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.116360,"noise_level":-21.820375,"freq_skew":2.748400,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45633,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[228,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":31,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104286,"usec":746946},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.299063,"noise_level":-21.671698,"freq_skew":5.321446,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,77,37,3,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104287,"usec":505765},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.017152,"noise_level":-21.481022,"freq_skew":4.757984,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59744,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,66,99,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104288,"usec":260182},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.624446,"noise_level":-21.267355,"freq_skew":1.775772,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104290,"usec":553567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938788,"noise_level":-20.379608,"freq_skew":4.655005,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":18,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104291,"usec":291424},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148790,"noise_level":-20.999187,"freq_skew":4.128952,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1220,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104291,"usec":300579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877152,"noise_level":-21.804665,"freq_skew":2.683421,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104293,"usec":633837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392321,"noise_level":-20.882439,"freq_skew":3.145974,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104293,"usec":635254},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833648,"noise_level":-20.872831,"freq_skew":5.953694,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14408,"dst_ref":228,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[97,232,25,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104294,"usec":393666},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.348537,"noise_level":-20.635983,"freq_skew":5.811254,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":9.800000},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104295,"usec":142228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102413,"noise_level":-20.414528,"freq_skew":4.863881,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59744,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,66,99,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104295,"usec":910246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950565,"noise_level":-20.484640,"freq_skew":4.595828,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104298,"usec":945415},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737209,"noise_level":-20.437737,"freq_skew":3.665877,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":54,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104299,"usec":678543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688444,"noise_level":-20.824909,"freq_skew":3.128202,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104299,"usec":701589},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733008,"noise_level":-21.543474,"freq_skew":3.116594,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYM","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"LH0511","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104303,"usec":523878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999231,"noise_level":-20.873474,"freq_skew":3.768061,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104303,"usec":534085},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.313173,"noise_level":-21.205391,"freq_skew":3.484259,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"DTTA"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":8.900001},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104305,"usec":35019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.884397,"noise_level":-20.853374,"freq_skew":4.973507,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104306,"usec":550569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800792,"noise_level":-20.377907,"freq_skew":3.150276,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYM","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"LH0511","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104306,"usec":555392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.489242,"noise_level":-20.314634,"freq_skew":4.969343,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104308,"usec":114217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.684566,"noise_level":-20.791866,"freq_skew":4.866246,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104308,"usec":870136},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.261086,"noise_level":-21.312279,"freq_skew":4.928539,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104309,"usec":641309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026224,"noise_level":-21.142212,"freq_skew":3.447167,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104312,"usec":656618},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175817,"noise_level":-20.816532,"freq_skew":4.744218,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[216,16]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104312,"usec":657968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009582,"noise_level":-20.806995,"freq_skew":2.835516,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104313,"usec":483614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075964,"noise_level":-20.370176,"freq_skew":3.428308,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104316,"usec":517235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.540287,"noise_level":-20.471474,"freq_skew":2.000770,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104319,"usec":544954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259052,"noise_level":-20.916014,"freq_skew":2.846397,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104320,"usec":352725},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480247,"noise_level":-20.659239,"freq_skew":4.521403,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5832,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104321,"usec":94528},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.182090,"noise_level":-20.584593,"freq_skew":2.785806,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":14.100000},"alt":40000}},{"name":"alternate_ground_stations","value":["23CB57","262AB7","263B57","2D04F7","2B0CB7","2B24B7","215497","213239"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104321,"usec":869953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864547,"noise_level":-21.520941,"freq_skew":2.813005,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104323,"usec":374197},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.393067,"noise_level":-21.896067,"freq_skew":5.133534,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":14,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[98,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104323,"usec":388299},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.357087,"noise_level":-21.746099,"freq_skew":4.761113,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":14,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[234,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":32,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104324,"usec":136861},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543617,"noise_level":-21.598675,"freq_skew":2.867512,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41940,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[18,33,143,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104326,"usec":413563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.421678,"noise_level":-21.868862,"freq_skew":4.936237,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104327,"usec":969560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.981011,"noise_level":-21.397200,"freq_skew":3.714786,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104329,"usec":495629},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547755,"noise_level":-20.795834,"freq_skew":2.632995,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1012,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42089,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[145,124,163,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":32,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104330,"usec":256603},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.000852,"noise_level":-21.000021,"freq_skew":4.873714,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":14,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[242,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":32,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104331,"usec":23908},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.581498,"noise_level":-21.944775,"freq_skew":5.321606,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"4X02YR","msg_num":"J19","msg_num_seq":"A","msg_text":"/EDDL.TI2/000EDDLA99CF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104331,"usec":780140},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768453,"noise_level":-21.698391,"freq_skew":2.706329,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1013,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42089,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[179,49,177,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104332,"usec":540892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.569058,"noise_level":-22.047050,"freq_skew":3.498232,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104334,"usec":88736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.839920,"noise_level":-21.607582,"freq_skew":3.730400,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104334,"usec":839410},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381003,"noise_level":-21.421455,"freq_skew":1.383959,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[58,67,254,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104336,"usec":357009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.739394,"noise_level":-20.934095,"freq_skew":4.262456,"avlc":{"src":{"addr":"4D22CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23CB57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104336,"usec":371203},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.839172,"noise_level":-20.790211,"freq_skew":5.660411,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077151","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,126,105,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104337,"usec":119429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481795,"noise_level":-20.667410,"freq_skew":1.712743,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104340,"usec":147225},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.552405,"noise_level":-19.906639,"freq_skew":5.691719,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104342,"usec":485847},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799337,"noise_level":-20.532820,"freq_skew":-0.093854,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":23,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104343,"usec":244626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.728195,"noise_level":-21.495676,"freq_skew":5.225596,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"_d","blk_id":"2","ack":"T","flight":"4X02YR","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104343,"usec":249826},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402964,"noise_level":-22.743769,"freq_skew":4.584876,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5834,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42051,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[135,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104343,"usec":998783},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244930,"noise_level":-23.197281,"freq_skew":5.807936,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":254,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,88,83,0,64,126,105],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104344,"usec":8600},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.374094,"noise_level":-23.085049,"freq_skew":6.233130,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":255,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":1,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104344,"usec":8600},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.374094,"noise_level":-23.085049,"freq_skew":6.233130,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":255,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":1,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104345,"usec":503669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665296,"noise_level":-22.697350,"freq_skew":4.313574,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104346,"usec":277849},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.414190,"noise_level":-22.567720,"freq_skew":2.075523,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,65,78,69,0,52,65,149,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104347,"usec":64013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.397174,"noise_level":-22.325970,"freq_skew":3.750013,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104348,"usec":581101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.651023,"noise_level":-22.006359,"freq_skew":1.764893,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104350,"usec":100033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155638,"noise_level":-21.475750,"freq_skew":3.781718,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104354,"usec":689585},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.629967,"noise_level":-21.492828,"freq_skew":5.786153,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,126,105,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104358,"usec":476879},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634523,"noise_level":-21.471901,"freq_skew":5.154941,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":9.100000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104359,"usec":240419},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432599,"noise_level":-23.215292,"freq_skew":4.285964,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":226,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104359,"usec":243771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.298173,"noise_level":-23.177643,"freq_skew":5.279306,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104359,"usec":258361},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.276992,"noise_level":-24.196894,"freq_skew":3.622322,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMI","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"XQ09UL","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104360,"usec":10604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844586,"noise_level":-23.960739,"freq_skew":2.803002,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104362,"usec":338263},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979988,"noise_level":-23.280622,"freq_skew":5.727107,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104363,"usec":80366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923658,"noise_level":-23.604618,"freq_skew":5.746482,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104364,"usec":595765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.676870,"noise_level":-23.426708,"freq_skew":5.645520,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104364,"usec":604225},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136223,"noise_level":-23.311491,"freq_skew":4.891990,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":31,"dst_ref":214,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[76,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104364,"usec":604549},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254199,"noise_level":-23.311491,"freq_skew":5.561363,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":257,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104366,"usec":125343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666830,"noise_level":-23.376257,"freq_skew":4.939941,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104366,"usec":873393},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937631,"noise_level":-23.173639,"freq_skew":4.972286,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42110,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,120,9,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104366,"usec":875133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.445751,"noise_level":-23.148642,"freq_skew":3.827787,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMI","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"XQ09UL","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104370,"usec":719070},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.928753,"noise_level":-22.457375,"freq_skew":3.663784,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMI","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"XQ09UL","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104379,"usec":88796},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289042,"noise_level":-20.001219,"freq_skew":2.830454,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[47,243]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104380,"usec":652721},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574988,"noise_level":-20.569258,"freq_skew":2.912573,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104382,"usec":936200},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910728,"noise_level":-20.915970,"freq_skew":2.704627,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[47,243]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104385,"usec":957358},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355751,"noise_level":-20.664219,"freq_skew":0.691489,"avlc":{"src":{"addr":"48C123","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41955,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[213,197]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104385,"usec":958514},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.970207,"noise_level":-21.579199,"freq_skew":3.942804,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":11,"dst_ref":202,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[5,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104386,"usec":738578},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840353,"noise_level":-21.252062,"freq_skew":1.329941,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47468,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[61,206,217,122]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47468,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,41,108,139]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104387,"usec":540001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427497,"noise_level":-21.246132,"freq_skew":1.331973,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104388,"usec":287106},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807249,"noise_level":-21.565758,"freq_skew":1.343517,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[103,108,158,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104394,"usec":399853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764538,"noise_level":-22.971785,"freq_skew":1.393157,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104397,"usec":447191},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735781,"noise_level":-21.667721,"freq_skew":2.593915,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1014,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104398,"usec":193185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048247,"noise_level":-21.542336,"freq_skew":2.720053,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104399,"usec":711887},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243277,"noise_level":-21.269894,"freq_skew":2.858222,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104401,"usec":254016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860339,"noise_level":-21.538675,"freq_skew":2.846875,"avlc":{"src":{"addr":"4BCDD4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104402,"usec":38959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.004092,"noise_level":-22.918919,"freq_skew":4.879299,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104403,"usec":535288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002949,"noise_level":-23.679840,"freq_skew":2.877918,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104404,"usec":310427},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085839,"noise_level":-23.164692,"freq_skew":5.862506,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104408,"usec":131010},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745121,"noise_level":-22.573435,"freq_skew":4.296306,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104411,"usec":166563},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442356,"noise_level":-22.771997,"freq_skew":4.223375,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"LH06TQ","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104411,"usec":174213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628898,"noise_level":-22.688736,"freq_skew":4.979956,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104412,"usec":697296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.952364,"noise_level":-22.727505,"freq_skew":2.669067,"avlc":{"src":{"addr":"4B191B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104414,"usec":218704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801110,"noise_level":-23.197903,"freq_skew":5.076361,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104415,"usec":1346},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786020,"noise_level":-22.974854,"freq_skew":5.206392,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41920,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[229,253,162,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104415,"usec":2534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.883181,"noise_level":-23.780560,"freq_skew":2.012657,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104418,"usec":44186},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.299970,"noise_level":-23.471085,"freq_skew":2.234202,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNN","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH033N","msg_num":"M58","msg_num_seq":"A","msg_text":"00048234269OCQ,*)S+S3SS7TJ3S+TO14M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104418,"usec":810762},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838986,"noise_level":-23.078541,"freq_skew":1.286661,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[188,57,208,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104418,"usec":813791},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869370,"noise_level":-23.053816,"freq_skew":2.816450,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104420,"usec":320958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377535,"noise_level":-23.411541,"freq_skew":2.512810,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104421,"usec":128639},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744100,"noise_level":-23.979845,"freq_skew":4.738248,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104421,"usec":867766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688893,"noise_level":-24.613846,"freq_skew":4.527635,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104421,"usec":869457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513189,"noise_level":-24.569635,"freq_skew":1.403750,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ08UH","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104422,"usec":647120},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560877,"noise_level":-24.083700,"freq_skew":4.297734,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH06TQ","msg_num":"M78","msg_num_seq":"A","msg_text":"00062234247,+13XK4T4IWWJ2:XWB25)SV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104422,"usec":648655},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710519,"noise_level":-24.069813,"freq_skew":3.663098,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42010,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[254,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":33,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104423,"usec":415608},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327684,"noise_level":-23.597193,"freq_skew":2.357605,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":5,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104424,"usec":145147},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898614,"noise_level":-24.293457,"freq_skew":1.350307,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104425,"usec":667955},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.942350,"noise_level":-24.455597,"freq_skew":1.327473,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104430,"usec":271441},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077343,"noise_level":-24.067709,"freq_skew":1.882517,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104431,"usec":775559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.707021,"noise_level":-23.503708,"freq_skew":1.741185,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104432,"usec":544757},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.147801,"noise_level":-23.543770,"freq_skew":1.869801,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47481,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[26,23,56,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104437,"usec":884187},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709441,"noise_level":-22.357994,"freq_skew":3.731816,"avlc":{"src":{"addr":"48C2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42010,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[70,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104439,"usec":409080},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884289,"noise_level":-21.838284,"freq_skew":1.317557,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUN","mode":"2","label":"_d","blk_id":"5","ack":"E","flight":"LH003A","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104441,"usec":687467},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583421,"noise_level":-20.990198,"freq_skew":5.709104,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5459,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104442,"usec":478270},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349876,"noise_level":-21.625092,"freq_skew":2.592250,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104443,"usec":256646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538035,"noise_level":-22.162954,"freq_skew":5.499644,"avlc":{"src":{"addr":"4CA4ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104445,"usec":515621},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670699,"noise_level":-21.686802,"freq_skew":4.424317,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"LH06TQ","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104445,"usec":535075},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.644275,"noise_level":-21.498987,"freq_skew":6.605746,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104445,"usec":535974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607426,"noise_level":-21.488670,"freq_skew":2.830213,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59668,"credit":1,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,54,194,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104449,"usec":356064},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178970,"noise_level":-21.179237,"freq_skew":1.259791,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOP","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XQ022H","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104452,"usec":406380},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.235801,"noise_level":-20.255169,"freq_skew":6.923969,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45598,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[220,107]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104453,"usec":897796},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679623,"noise_level":-20.563545,"freq_skew":4.209180,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5838,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42051,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[238,80]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104453,"usec":898789},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913352,"noise_level":-20.526552,"freq_skew":4.584832,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":6.100000},"alt":30000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104456,"usec":985009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.118133,"noise_level":-19.741730,"freq_skew":5.278911,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104469,"usec":217191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133110,"noise_level":-19.836676,"freq_skew":1.579840,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104473,"usec":20636},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642210,"noise_level":-19.968437,"freq_skew":4.537958,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":6.100000},"alt":30000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104475,"usec":335753},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743978,"noise_level":-21.065218,"freq_skew":2.874647,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104476,"usec":862831},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202413,"noise_level":-20.495178,"freq_skew":4.551307,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104476,"usec":863461},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.431403,"noise_level":-20.804386,"freq_skew":2.709782,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42101,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104477,"usec":618384},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579499,"noise_level":-20.569372,"freq_skew":2.753374,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42118,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[153,159,119,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104477,"usec":618384},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.579499,"noise_level":-20.569372,"freq_skew":2.753374,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":42118,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[159,141,51,188]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104478,"usec":372813},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680700,"noise_level":-21.359093,"freq_skew":2.586468,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104478,"usec":374804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322491,"noise_level":-22.478085,"freq_skew":4.545768,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104479,"usec":115957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696186,"noise_level":-22.714638,"freq_skew":2.831323,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104479,"usec":130769},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066392,"noise_level":-23.417234,"freq_skew":3.334335,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104479,"usec":885781},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613161,"noise_level":-23.838446,"freq_skew":2.533895,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104479,"usec":886149},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.463473,"noise_level":-23.838446,"freq_skew":5.093911,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"4X02YR","msg_num":"J20","msg_num_seq":"A","msg_text":"/EDDL.TI2/000EDDLA99CF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104482,"usec":943743},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.580869,"noise_level":-23.662138,"freq_skew":4.873908,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"4X02YR","msg_num":"J20","msg_num_seq":"A","msg_text":"/EDDL.TI2/000EDDLA99CF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104484,"usec":477541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722623,"noise_level":-23.966423,"freq_skew":1.213099,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104486,"usec":3730},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.624035,"noise_level":-24.173279,"freq_skew":3.105861,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.299999,"lon":6.900000},"alt":27000}},{"name":"alternate_ground_stations","value":["10902A","10900A","10946A","109FCA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104486,"usec":738571},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.666599,"noise_level":-24.159245,"freq_skew":4.677591,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104486,"usec":740993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993334,"noise_level":-24.131250,"freq_skew":1.162131,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104488,"usec":307531},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463268,"noise_level":-24.553507,"freq_skew":-0.181638,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIQT","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH07AA","msg_num":"M13","msg_num_seq":"A","msg_text":"00010209291G+KK53E010GGOBT:5))((3XTTWUDHDTJM*6XXKV:A88"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104488,"usec":310630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893589,"noise_level":-24.509602,"freq_skew":1.499750,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104490,"usec":579926},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695968,"noise_level":-24.684515,"freq_skew":4.998951,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"4X02YR","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104490,"usec":597241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748840,"noise_level":-25.632822,"freq_skew":3.621045,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104491,"usec":345839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499062,"noise_level":-25.435715,"freq_skew":1.733613,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104491,"usec":346078},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892774,"noise_level":-25.435715,"freq_skew":4.887180,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104493,"usec":619100},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528617,"noise_level":-27.382908,"freq_skew":3.668892,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDVK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104493,"usec":622074},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748646,"noise_level":-27.322155,"freq_skew":1.383775,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104494,"usec":367698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732205,"noise_level":-27.680233,"freq_skew":3.550039,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104495,"usec":127196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040513,"noise_level":-27.617371,"freq_skew":5.008840,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104495,"usec":138177},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644648,"noise_level":-28.369766,"freq_skew":1.218548,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[133,165,253,143]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104495,"usec":934118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482338,"noise_level":-28.818361,"freq_skew":3.459335,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104495,"usec":941364},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.471685,"noise_level":-28.652149,"freq_skew":3.032191,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH09LV","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104495,"usec":948455},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734814,"noise_level":-28.489056,"freq_skew":3.620599,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104496,"usec":687259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974422,"noise_level":-28.149548,"freq_skew":5.166543,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104498,"usec":232589},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.379979,"noise_level":-26.922821,"freq_skew":1.629479,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":196,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104498,"usec":236108},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588242,"noise_level":-26.846067,"freq_skew":6.818705,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45598,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[41,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":34,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104498,"usec":971932},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570432,"noise_level":-27.533264,"freq_skew":1.157591,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[133,165,253,143]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104499,"usec":744763},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377345,"noise_level":-28.036648,"freq_skew":6.957315,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104501,"usec":252474},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946351,"noise_level":-27.221600,"freq_skew":3.174268,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GHPU","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"AC0842","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104502,"usec":2395},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613623,"noise_level":-26.850622,"freq_skew":4.991225,"avlc":{"src":{"addr":"4CADE2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6073,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104502,"usec":803101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.723693,"noise_level":-26.485771,"freq_skew":3.283478,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104505,"usec":833915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.160883,"noise_level":-24.761971,"freq_skew":4.823469,"avlc":{"src":{"addr":"4CADE2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104505,"usec":837225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731455,"noise_level":-24.598209,"freq_skew":6.942384,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104506,"usec":597371},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975333,"noise_level":-24.510170,"freq_skew":4.204576,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"LH06TQ","msg_num":"M80","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104506,"usec":599244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.308071,"noise_level":-24.481020,"freq_skew":7.147963,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45598,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[183,122]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":35,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104506,"usec":616971},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926277,"noise_level":-24.237120,"freq_skew":1.556231,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104507,"usec":361727},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.469694,"noise_level":-24.835836,"freq_skew":2.864609,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42101,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[245,33]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104507,"usec":371922},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517526,"noise_level":-24.611406,"freq_skew":7.068243,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":45598,"variable_part_params":[{"name":"checksum","value":[149,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104511,"usec":193346},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785933,"noise_level":-23.239864,"freq_skew":3.365050,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16245141","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":35,"compression_algos":["DEFLATE","LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,71,65,0,57,74,97,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104511,"usec":201427},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825120,"noise_level":-23.813000,"freq_skew":3.624268,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"4Y115B","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104513,"usec":471773},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906378,"noise_level":-23.340652,"freq_skew":1.469079,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104513,"usec":475572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754657,"noise_level":-24.312588,"freq_skew":4.183657,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104514,"usec":224848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209370,"noise_level":-25.240099,"freq_skew":3.517352,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104514,"usec":247519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.523818,"noise_level":-24.867125,"freq_skew":3.675103,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104515,"usec":811098},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693438,"noise_level":-24.138014,"freq_skew":3.057697,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104518,"usec":58393},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.873833,"noise_level":-23.388073,"freq_skew":1.607291,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[44,10,61,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104521,"usec":845739},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809294,"noise_level":-21.819431,"freq_skew":4.048071,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"LH06TQ","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104522,"usec":657218},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935447,"noise_level":-21.514263,"freq_skew":3.582010,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":12.300000},"alt":17000}},{"name":"alternate_ground_stations","value":["1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104522,"usec":673962},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423119,"noise_level":-21.350374,"freq_skew":4.068572,"avlc":{"src":{"addr":"4D23FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1027,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104525,"usec":706541},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805970,"noise_level":-20.865652,"freq_skew":1.164957,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":191,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104527,"usec":220752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468985,"noise_level":-20.697203,"freq_skew":1.299075,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104529,"usec":534963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681015,"noise_level":-21.851021,"freq_skew":1.126944,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104530,"usec":297995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796505,"noise_level":-22.314749,"freq_skew":1.142528,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104534,"usec":100415},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.777072,"noise_level":-21.837790,"freq_skew":2.665838,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104535,"usec":582420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828137,"noise_level":-21.542356,"freq_skew":4.053809,"avlc":{"src":{"addr":"4D23FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104541,"usec":714661},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.058057,"noise_level":-20.383942,"freq_skew":4.759131,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[104,34]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104543,"usec":279662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.503113,"noise_level":-21.991791,"freq_skew":3.023053,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104544,"usec":32246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667161,"noise_level":-22.332327,"freq_skew":4.672392,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104544,"usec":38359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.119011,"noise_level":-22.275705,"freq_skew":4.398554,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104544,"usec":788106},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479173,"noise_level":-22.019892,"freq_skew":2.638484,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104547,"usec":62384},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868805,"noise_level":-22.117319,"freq_skew":3.473840,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104550,"usec":904494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567103,"noise_level":-21.962543,"freq_skew":2.645577,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104550,"usec":915068},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035282,"noise_level":-22.580715,"freq_skew":2.314118,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":287,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104551,"usec":673392},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227845,"noise_level":-22.281942,"freq_skew":4.453066,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47472,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[228,10]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104553,"usec":189288},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.986659,"noise_level":-21.702993,"freq_skew":4.640514,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[93,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104554,"usec":702147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175252,"noise_level":-21.929470,"freq_skew":6.887673,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104556,"usec":269825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-13.276586,"noise_level":-21.979696,"freq_skew":5.134180,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104557,"usec":767944},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878407,"noise_level":-21.626945,"freq_skew":2.720296,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104563,"usec":117900},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081779,"noise_level":-22.131340,"freq_skew":3.150683,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH003M","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104563,"usec":132124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639974,"noise_level":-21.988203,"freq_skew":3.949116,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104563,"usec":879102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713867,"noise_level":-21.901279,"freq_skew":1.025688,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104563,"usec":881644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.709782,"noise_level":-22.173691,"freq_skew":2.829026,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104566,"usec":162798},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.193235,"noise_level":-21.303940,"freq_skew":2.793336,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[47,243]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104566,"usec":175296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914852,"noise_level":-21.173714,"freq_skew":1.186836,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104567,"usec":670407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969949,"noise_level":-20.870829,"freq_skew":1.425285,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104567,"usec":671238},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.721142,"noise_level":-21.897003,"freq_skew":2.346737,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[193,73,164,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104569,"usec":997125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747547,"noise_level":-21.571608,"freq_skew":3.387942,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104579,"usec":896869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337528,"noise_level":-18.851475,"freq_skew":6.913416,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104579,"usec":908786},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762522,"noise_level":-19.385376,"freq_skew":6.663872,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104579,"usec":916622},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435825,"noise_level":-19.312845,"freq_skew":6.869681,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":42124,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[100,12,71,116]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104583,"usec":725231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.697775,"noise_level":-18.479382,"freq_skew":5.796824,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104585,"usec":242919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871898,"noise_level":-19.498150,"freq_skew":6.921323,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104585,"usec":253906},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690084,"noise_level":-19.736189,"freq_skew":5.191734,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2423,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104589,"usec":54456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672497,"noise_level":-19.997753,"freq_skew":4.891357,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104589,"usec":840010},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212111,"noise_level":-20.223297,"freq_skew":5.327964,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVR","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR23DQ","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104590,"usec":613909},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133574,"noise_level":-21.007996,"freq_skew":5.465679,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2423,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104590,"usec":620924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875543,"noise_level":-20.949665,"freq_skew":2.597440,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104591,"usec":370575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729229,"noise_level":-21.245020,"freq_skew":6.753010,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"SN06VP","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104591,"usec":371450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.413840,"noise_level":-21.245020,"freq_skew":5.290566,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104592,"usec":115727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749881,"noise_level":-21.037010,"freq_skew":6.715405,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104592,"usec":115839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561811,"noise_level":-21.037010,"freq_skew":5.105252,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104592,"usec":879766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517174,"noise_level":-20.825617,"freq_skew":4.311384,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104592,"usec":888457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.677333,"noise_level":-21.331198,"freq_skew":5.406548,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104593,"usec":653405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349615,"noise_level":-22.008999,"freq_skew":4.642454,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":158289},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702316,"noise_level":-21.655079,"freq_skew":4.981948,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":8.700000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":160787},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916859,"noise_level":-21.634083,"freq_skew":4.880873,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"4X02YR","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":160787},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.916859,"noise_level":-21.634083,"freq_skew":4.880873,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222176","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,76,72,0,77,36,126,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":914610},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597852,"noise_level":-21.622629,"freq_skew":1.281909,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":914947},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883236,"noise_level":-21.622629,"freq_skew":5.194659,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":918266},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.189448,"noise_level":-22.490429,"freq_skew":5.489202,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104595,"usec":932988},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657440,"noise_level":-22.307251,"freq_skew":2.411118,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":56,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[100,214]},{"name":"atn_checksum","value":[177,1,19,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104596,"usec":718825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285088,"noise_level":-22.183517,"freq_skew":6.718235,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104596,"usec":720899},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.056623,"noise_level":-22.161209,"freq_skew":4.874062,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104596,"usec":721924},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.121845,"noise_level":-22.214201,"freq_skew":2.439342,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47539,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[242,67,37,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104596,"usec":729593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564105,"noise_level":-22.147209,"freq_skew":5.435915,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104598,"usec":248970},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.728201,"noise_level":-23.185802,"freq_skew":1.093711,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[48,52,235,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104598,"usec":985930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595606,"noise_level":-24.102232,"freq_skew":2.323846,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104601,"usec":259575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.186878,"noise_level":-23.174309,"freq_skew":3.465446,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104602,"usec":800698},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619525,"noise_level":-23.164879,"freq_skew":6.952862,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104603,"usec":578673},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617590,"noise_level":-23.174717,"freq_skew":6.772546,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":161,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":7,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,69,76,0,68,206,114],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104603,"usec":593809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830749,"noise_level":-23.001202,"freq_skew":2.534031,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104605,"usec":872863},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392327,"noise_level":-23.771988,"freq_skew":6.717545,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":161,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":7,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,69,76,0,68,206,114],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104606,"usec":613467},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.522993,"noise_level":-23.665367,"freq_skew":6.498258,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126745","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,229,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104607,"usec":372112},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668127,"noise_level":-23.353138,"freq_skew":4.475646,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGZ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR55RV","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104607,"usec":385895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746967,"noise_level":-23.226284,"freq_skew":4.424325,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104608,"usec":902373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788015,"noise_level":-22.562695,"freq_skew":4.558886,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":206887},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080173,"noise_level":-23.581394,"freq_skew":4.737468,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJR","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LX03KH","msg_num":"201","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E3500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":208834},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974921,"noise_level":-23.568285,"freq_skew":1.021375,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42111,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[232,155,174,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":217024},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466687,"noise_level":-23.490046,"freq_skew":4.381191,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221771","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,249,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":973820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.617587,"noise_level":-23.246834,"freq_skew":4.385681,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEQ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR41QY","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":978590},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850830,"noise_level":-23.920565,"freq_skew":4.717649,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJR","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LX03KH","msg_num":"202","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E4500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104611,"usec":980392},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651397,"noise_level":-24.083664,"freq_skew":3.064883,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"60054277","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,67,65,0,192,88,191,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104613,"usec":482900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.532255,"noise_level":-23.584026,"freq_skew":3.210863,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104613,"usec":496382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.307549,"noise_level":-23.845348,"freq_skew":3.636699,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104613,"usec":500171},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143532,"noise_level":-23.791420,"freq_skew":4.439970,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104614,"usec":255629},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846999,"noise_level":-24.456320,"freq_skew":4.794507,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJR","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LX03KH","msg_num":"204","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E6500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104615,"usec":761369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674070,"noise_level":-23.961643,"freq_skew":4.784060,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104618,"usec":847324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750511,"noise_level":-23.500231,"freq_skew":6.930206,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104621,"usec":118408},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649085,"noise_level":-23.242893,"freq_skew":1.134728,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":152,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":11,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104621,"usec":130847},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090808,"noise_level":-23.092789,"freq_skew":4.990759,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104622,"usec":627115},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703394,"noise_level":-22.752319,"freq_skew":2.719895,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":42133,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[1,97,206,79]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104627,"usec":225650},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.662609,"noise_level":-22.663055,"freq_skew":1.430466,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104627,"usec":247342},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695424,"noise_level":-22.395754,"freq_skew":1.646196,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104628,"usec":752972},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653321,"noise_level":-22.946217,"freq_skew":4.010748,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42133,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[153,144,119,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104629,"usec":559241},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.178770,"noise_level":-22.576208,"freq_skew":2.352232,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[193,73,164,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104629,"usec":565747},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.334336,"noise_level":-22.506380,"freq_skew":3.312838,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104629,"usec":566898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463767,"noise_level":-23.280170,"freq_skew":2.644605,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104630,"usec":303607},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891358,"noise_level":-24.144335,"freq_skew":2.617040,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42133,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[238,93,169,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104631,"usec":69269},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625100,"noise_level":-24.263136,"freq_skew":2.188908,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":130,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104634,"usec":852771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837919,"noise_level":-24.181461,"freq_skew":9.325051,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104635,"usec":617201},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422850,"noise_level":-23.864021,"freq_skew":4.632486,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54237,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[93,20]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104636,"usec":374186},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622249,"noise_level":-24.293972,"freq_skew":1.190702,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"42","blk_id":"5","ack":"!","flight":"XQ08UH","msg_num":"M40","msg_num_seq":"A","msg_text":"SXS8UH ,083413,7920,0906,+37314,N 50.3969,E 11.2786,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104636,"usec":392531},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.064406,"noise_level":-25.208673,"freq_skew":4.171550,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104637,"usec":937896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904829,"noise_level":-24.642151,"freq_skew":1.043598,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104638,"usec":705873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494357,"noise_level":-24.578682,"freq_skew":9.565744,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104644,"usec":43814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315522,"noise_level":-22.220192,"freq_skew":2.468419,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104647,"usec":831864},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199468,"noise_level":-22.645084,"freq_skew":5.533464,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104648,"usec":586076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315732,"noise_level":-22.219875,"freq_skew":4.982501,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104648,"usec":589283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957980,"noise_level":-22.097374,"freq_skew":5.490959,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104651,"usec":678617},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888028,"noise_level":-21.234865,"freq_skew":0.310400,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104652,"usec":436757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.695919,"noise_level":-20.978354,"freq_skew":4.969785,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104652,"usec":452904},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113693,"noise_level":-20.862469,"freq_skew":3.259557,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104653,"usec":949846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259198,"noise_level":-20.570070,"freq_skew":5.252189,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104653,"usec":966286},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169255,"noise_level":-20.422918,"freq_skew":5.317235,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":5,"dst_ref":45701,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[4,10]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104653,"usec":968026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340758,"noise_level":-21.039974,"freq_skew":2.766584,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104660,"usec":820905},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.340104,"noise_level":-21.073929,"freq_skew":4.338885,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104660,"usec":836661},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066129,"noise_level":-21.557972,"freq_skew":5.311986,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[235,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104662,"usec":355483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.833681,"noise_level":-21.166882,"freq_skew":6.381137,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104663,"usec":106374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126992,"noise_level":-20.999607,"freq_skew":5.289950,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104664,"usec":654584},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253270,"noise_level":-20.627617,"freq_skew":3.655615,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":56,"dst_ref":221,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[148,219,60,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104664,"usec":671364},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.865355,"noise_level":-20.479498,"freq_skew":5.750465,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":259,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104666,"usec":930431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.463703,"noise_level":-20.294411,"freq_skew":5.073086,"avlc":{"src":{"addr":"4D2215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104666,"usec":938550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649026,"noise_level":-20.231741,"freq_skew":1.275925,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104667,"usec":704007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843319,"noise_level":-19.890612,"freq_skew":5.468620,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104669,"usec":217445},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322330,"noise_level":-19.554121,"freq_skew":3.590400,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[101,115,221,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":37,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104669,"usec":219623},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.292874,"noise_level":-19.580931,"freq_skew":2.830606,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45633,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[42,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104669,"usec":230235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.602381,"noise_level":-19.940666,"freq_skew":0.493812,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104669,"usec":979099},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.985600,"noise_level":-20.580944,"freq_skew":2.692911,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45633,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[83,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":37,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104671,"usec":537895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.404367,"noise_level":-20.684996,"freq_skew":2.668497,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104671,"usec":547130},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.380453,"noise_level":-20.600817,"freq_skew":3.814418,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104672,"usec":288307},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380928,"noise_level":-20.499027,"freq_skew":3.773923,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[167,55,160,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104673,"usec":58895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.384846,"noise_level":-20.147449,"freq_skew":1.681944,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104676,"usec":856735},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.420192,"noise_level":-21.349180,"freq_skew":0.309193,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8739,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":3,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104677,"usec":595321},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933886,"noise_level":-21.278448,"freq_skew":2.905510,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":5,"dst_ref":45633,"variable_part_params":[{"name":"checksum","value":[218,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104677,"usec":617215},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.248665,"noise_level":-21.069645,"freq_skew":1.701078,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104682,"usec":968014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940598,"noise_level":-20.838726,"freq_skew":2.849059,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104683,"usec":765475},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213587,"noise_level":-20.630770,"freq_skew":0.210742,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LIPZ"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":10.700000},"alt":14000}},{"name":"alternate_ground_stations","value":["29E057","26E217","2625D7","26D477"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104684,"usec":513403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143403,"noise_level":-21.395456,"freq_skew":0.973353,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104684,"usec":523820},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803871,"noise_level":-22.532091,"freq_skew":2.567435,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47548,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[102,83,60,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":38,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104685,"usec":269928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910077,"noise_level":-23.180208,"freq_skew":3.066452,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104686,"usec":28746},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643653,"noise_level":-23.732189,"freq_skew":2.293056,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[153,166,32,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104686,"usec":46757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692116,"noise_level":-23.495182,"freq_skew":2.891420,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104691,"usec":389762},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.625050,"noise_level":-21.701689,"freq_skew":2.526973,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[193,73,164,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104692,"usec":907625},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649207,"noise_level":-21.944645,"freq_skew":4.087588,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"N80880","msg_num":"D40","msg_num_seq":"A","sublabel":"DF","msg_text":"1501B747N663CANCR880*15JUL2608372810452262298.560012148016.3-088\r\nOEJNEDFHDC706913707000704115707000VI470433295581\r\n1706913000016000003000001600000315JUL26001807001046\r\n1003.00001003.21000VN2T.1--\r\n3319050."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104694,"usec":431445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.260702,"noise_level":-21.589180,"freq_skew":5.536045,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104695,"usec":931209},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.549495,"noise_level":-22.161131,"freq_skew":0.420617,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104701,"usec":298673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.418254,"noise_level":-22.311234,"freq_skew":1.525081,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104702,"usec":789723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325790,"noise_level":-22.448162,"freq_skew":1.483564,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104702,"usec":793023},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347717,"noise_level":-23.511507,"freq_skew":1.423466,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[74,67,156,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104703,"usec":563320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155501,"noise_level":-23.280365,"freq_skew":6.348222,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1044,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104703,"usec":570991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031415,"noise_level":-23.192112,"freq_skew":2.668715,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104704,"usec":379516},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791776,"noise_level":-22.835754,"freq_skew":2.723086,"avlc":{"src":{"addr":"3C4B4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42133,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[183,201,214,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104707,"usec":397937},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729847,"noise_level":-22.123924,"freq_skew":6.363003,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1044,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104707,"usec":398047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.266962,"noise_level":-22.123924,"freq_skew":0.393372,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104708,"usec":167521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826732,"noise_level":-21.948238,"freq_skew":5.108635,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104711,"usec":246908},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.098291,"noise_level":-23.105110,"freq_skew":2.406719,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59713,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[93,218,127,42]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59713,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[8,143,244,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":38,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104711,"usec":993992},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458972,"noise_level":-22.872303,"freq_skew":3.202030,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104712,"usec":749155},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396286,"noise_level":-22.657358,"freq_skew":2.172390,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104712,"usec":763867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195560,"noise_level":-22.674086,"freq_skew":3.106801,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104713,"usec":526240},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586834,"noise_level":-23.332504,"freq_skew":6.274251,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EDJA"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104714,"usec":264330},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497884,"noise_level":-23.007219,"freq_skew":6.132259,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22164762","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,233,242,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104715,"usec":34293},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980702,"noise_level":-22.885284,"freq_skew":1.152396,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":3665,"dst_ref":45705,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[38,247,53,173]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104715,"usec":39462},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825661,"noise_level":-22.824953,"freq_skew":6.082812,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1044,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104715,"usec":794359},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663095,"noise_level":-22.587730,"freq_skew":1.157652,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42111,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,196,56,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42111,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,238,231,24]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104716,"usec":532022},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622449,"noise_level":-22.660381,"freq_skew":1.175687,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45705,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[125,111,247,106]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":38,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104717,"usec":348195},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908207,"noise_level":-22.850739,"freq_skew":4.687158,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":115,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104717,"usec":361891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397486,"noise_level":-22.695353,"freq_skew":1.199950,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104718,"usec":858844},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768271,"noise_level":-23.263712,"freq_skew":4.207257,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"N80880","msg_num":"D40","msg_num_seq":"B","sublabel":"DF","msg_text":"600421082.30106344.60.110.031.7647.3086015.8\r\n3320050.600420082.30106344.60.110.031.7647.3086015.8\r\n3321050.100417081.80106343.50.120.041.7946.8100015.8\r\n3322049.100408080.70102042.00.120.041.7944.6100015.8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104718,"usec":860185},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594000,"noise_level":-23.947575,"freq_skew":6.293200,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22164762","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,233,242,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104720,"usec":392994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953413,"noise_level":-25.469940,"freq_skew":6.403881,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104720,"usec":398684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177021,"noise_level":-25.388796,"freq_skew":2.284065,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104721,"usec":127589},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.666036,"noise_level":-25.324421,"freq_skew":2.775486,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LLBG"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.600000},"alt":3000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104721,"usec":130725},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427628,"noise_level":-25.197086,"freq_skew":1.266983,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104721,"usec":894136},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448032,"noise_level":-24.947887,"freq_skew":2.296168,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"CYVR"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":8.800000},"alt":13000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104722,"usec":653037},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713297,"noise_level":-25.288448,"freq_skew":1.083058,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42111,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,196,56,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42111,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,238,231,24]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104722,"usec":662680},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.637074,"noise_level":-26.517136,"freq_skew":2.397763,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-FVLZ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"AC0839","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104722,"usec":662680},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-4.637074,"noise_level":-26.517136,"freq_skew":2.397763,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"60034254","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,67,65,0,192,56,172,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104724,"usec":210023},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033006,"noise_level":-26.030788,"freq_skew":1.310861,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104724,"usec":210421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833256,"noise_level":-26.030788,"freq_skew":2.362031,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104724,"usec":978844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434282,"noise_level":-27.457939,"freq_skew":2.625005,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104724,"usec":986419},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006518,"noise_level":-27.315620,"freq_skew":1.331839,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104726,"usec":495105},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930326,"noise_level":-26.653679,"freq_skew":0.986310,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104727,"usec":241885},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.725276,"noise_level":-26.341696,"freq_skew":1.373792,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104727,"usec":248688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776062,"noise_level":-26.234205,"freq_skew":4.253998,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104727,"usec":256142},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580012,"noise_level":-26.304157,"freq_skew":1.327540,"avlc":{"src":{"addr":"4BCDF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104727,"usec":258617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.542102,"noise_level":-26.250477,"freq_skew":4.837639,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104728,"usec":765697},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804730,"noise_level":-25.731174,"freq_skew":3.852526,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH005H","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104728,"usec":765697},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.804730,"noise_level":-25.731174,"freq_skew":3.852526,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062502","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,72,88,0,60,101,66,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104729,"usec":523430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858089,"noise_level":-25.704290,"freq_skew":3.875452,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104730,"usec":279230},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804351,"noise_level":-25.305424,"freq_skew":3.756239,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJB","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"LH005H","msg_num":"S06","msg_num_seq":"A","msg_text":"0EV083847V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":38,"sec":47}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104732,"usec":590055},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707437,"noise_level":-25.889107,"freq_skew":4.647645,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH0942","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104732,"usec":590055},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.707437,"noise_level":-25.889107,"freq_skew":4.647645,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062521","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,72,88,0,60,101,81,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104733,"usec":351682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120058,"noise_level":-25.698107,"freq_skew":3.598840,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104733,"usec":353048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723157,"noise_level":-25.681383,"freq_skew":4.630981,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104733,"usec":356817},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805593,"noise_level":-26.348734,"freq_skew":2.992695,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH0686","msg_num":"D06","msg_num_seq":"I","sublabel":"DF","msg_text":"/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104734,"usec":117174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388000,"noise_level":-25.874798,"freq_skew":3.699621,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104734,"usec":868314},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778284,"noise_level":-25.409184,"freq_skew":4.575154,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104734,"usec":868672},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472122,"noise_level":-25.409184,"freq_skew":2.911033,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":8.100000},"alt":5000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104734,"usec":869875},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929626,"noise_level":-26.338696,"freq_skew":6.196467,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1044,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104736,"usec":393435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633854,"noise_level":-26.664150,"freq_skew":4.728125,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104736,"usec":409998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205044,"noise_level":-26.315777,"freq_skew":2.616658,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104739,"usec":462319},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314251,"noise_level":-25.263910,"freq_skew":0.468959,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXU","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"KL093W","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104741,"usec":739982},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907331,"noise_level":-23.896595,"freq_skew":1.304234,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZZ","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"LH01TN","msg_num":"S70","msg_num_seq":"A","msg_text":"0EV083859V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":38,"sec":59}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104742,"usec":519278},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484847,"noise_level":-23.641899,"freq_skew":3.002427,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":8.100000},"alt":5000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104742,"usec":519891},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449740,"noise_level":-23.641899,"freq_skew":2.254157,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LBSF"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":9.700000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104743,"usec":264433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997604,"noise_level":-25.410229,"freq_skew":1.263323,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104743,"usec":270996},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706483,"noise_level":-25.581032,"freq_skew":2.197770,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062213","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,139,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104744,"usec":8867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763052,"noise_level":-25.493774,"freq_skew":4.585147,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104746,"usec":342620},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542321,"noise_level":-25.719036,"freq_skew":2.063369,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH09YC","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104747,"usec":855803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636860,"noise_level":-25.629593,"freq_skew":2.337358,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104747,"usec":865371},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033140,"noise_level":-25.808540,"freq_skew":4.892292,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJR","mode":"2","label":"_d","blk_id":"0","ack":"C","flight":"LX03KH","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104747,"usec":868537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.272891,"noise_level":-25.774700,"freq_skew":2.644782,"avlc":{"src":{"addr":"47B0E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104747,"usec":873795},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810556,"noise_level":-25.673964,"freq_skew":2.209091,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDK","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"LH09YC","msg_num":"S25","msg_num_seq":"A","msg_text":"0EV083902V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":39,"sec":2}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104749,"usec":370775},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703672,"noise_level":-25.108538,"freq_skew":1.110196,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":75,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":42146,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[187,201,252,191]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104749,"usec":386978},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549618,"noise_level":-24.861830,"freq_skew":2.130310,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104750,"usec":129058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.526425,"noise_level":-24.726074,"freq_skew":0.410263,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104752,"usec":466717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906662,"noise_level":-24.256575,"freq_skew":3.590568,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104755,"usec":474967},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915105,"noise_level":-24.122459,"freq_skew":5.302766,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[231,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104757,"usec":3942},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398237,"noise_level":-23.451000,"freq_skew":4.406646,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104757,"usec":746309},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688123,"noise_level":-23.208866,"freq_skew":3.418116,"avlc":{"src":{"addr":"3C4A04","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-ABPD","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH02VU","msg_num":"D29","msg_num_seq":"B","sublabel":"DF","msg_text":"0\r\n 2146 2146 9 18\r\n 2147 2147 9 18\r\n 953 877 284 282\r\n -12700007FF2FA756CA0090000C0800040020401140C41\r\n -1270040FFF2D17534A0180000C08D00C0420501140C70\r\n 187240FFFA3B7550A01B0000C0B020C04207"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104757,"usec":747229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.655409,"noise_level":-24.092234,"freq_skew":5.455430,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104757,"usec":748789},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501644,"noise_level":-24.036755,"freq_skew":6.977717,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47520,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,86,42,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104758,"usec":574143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.548701,"noise_level":-23.565884,"freq_skew":4.615762,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJR","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"LX03KH","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104758,"usec":574639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917963,"noise_level":-23.565884,"freq_skew":4.656494,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104758,"usec":578966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600105,"noise_level":-23.500652,"freq_skew":5.181429,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104761,"usec":615563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688091,"noise_level":-25.779942,"freq_skew":0.943361,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104763,"usec":124335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100172,"noise_level":-25.020000,"freq_skew":3.419147,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"4Y115B","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104765,"usec":434831},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239888,"noise_level":-27.322218,"freq_skew":0.928540,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104766,"usec":945940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948925,"noise_level":-26.458500,"freq_skew":1.154800,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104766,"usec":961094},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850351,"noise_level":-26.224174,"freq_skew":4.700755,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":true,"reasm_status":"in progress","unknown_proto":{"data":[72,68,224,35,208,103,42,96,1,233,61,15,35,144,166,73,177,101,40,226,17,56,8,244,25,200,217,0,114,17,3,200,228,26,84,162,203,74,80,4,78,2,61,6,113,161,128,25,26,192,242,57,22,148,153,209,210,157,1,19,128,180,119,160,206,66,184,2,131,246,30,71,42,79,133,38,194,85,84,34,80,17,232,51,148,106,0,109,3,135,145,202,149,99,208,158,149,203,8,148,4,122,12,229,82,0,22,60,65,228,114,164,90,82,231,165,128,130,37,1,30,131,57,93,0,4,206,152]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104767,"usec":710933},"freq":136975000,"burst_len_octets":288,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808970,"noise_level":-27.084908,"freq_skew":4.414865,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":true,"reasm_status":"out of sequence","unknown_proto":{"data":[73,155,66,122,101,98,66,96,35,216,105,80,29,1,72,253,8,27,145,102,86,159,77,51,137,33,48,16,136,27,122,13,67,37,224,52,14,160,170,42,164,234,137,174,25,9,128,163,5,192,212,70,6,3,84,48,10,40,154,249,144,144,33,234,53,25,41,128,220,146,130,97,202,53,105,200,146,155,30,143,168,8,163,233,112,53,37,213,128,233,6,2,25,166,215,227,232,2,92,13,75,106,32,60,47,128,123,201,184,120,250,2,30,227,83,140,136,16,46,24,27,92,137,6,204,232,169,188]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104767,"usec":710933},"freq":136975000,"burst_len_octets":288,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.808970,"noise_level":-27.084908,"freq_skew":4.414865,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":17435,"priority":8,"lifetime":115.000000,"flags":128,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[90,142,101,224,212,210,94,4,243,214,2,238,156,197,142,96,96,1,123,13,77,28,160,80,38,192,46,241,139,25,51,97,167,53,99,98,2,0,46,239,225,169,200,100,9,216,188,5,222,73,155,13,195,116,231,196,91,4,16,16,129,119,123,13,83,139,32,73,48,64,12,78,44,120,112,211,186,145,8,3,16,12,65,151,231,120,98,155,146,152,232,149,72,69,129,220,18,200,69,129,220,18,200,68,129,204,18,206,66,99,154,85,33,17,7,48,75,8,8,76,57,75,128]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104769,"usec":224877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868911,"noise_level":-26.478226,"freq_skew":4.217584,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104769,"usec":997895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791772,"noise_level":-25.775002,"freq_skew":2.560298,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104772,"usec":311820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.124388,"noise_level":-25.625086,"freq_skew":4.350127,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104772,"usec":316329},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.605049,"noise_level":-26.806746,"freq_skew":5.554214,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[26,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":39,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104773,"usec":51734},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.645934,"noise_level":-26.655920,"freq_skew":1.928703,"avlc":{"src":{"addr":"4CAE7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LCPH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104774,"usec":570808},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004709,"noise_level":-25.937218,"freq_skew":0.223133,"avlc":{"src":{"addr":"484442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LIPZ"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":10.800000},"alt":14000}},{"name":"alternate_ground_stations","value":["29E057","2D4918","26E217","2625D7","213239","2754B7","263B57","26D478"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104774,"usec":576354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.600577,"noise_level":-25.851612,"freq_skew":5.133136,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104774,"usec":577851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282784,"noise_level":-25.817604,"freq_skew":3.363315,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILD","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH003M","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104775,"usec":333553},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890352,"noise_level":-25.500999,"freq_skew":2.405520,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":226,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104776,"usec":860428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950948,"noise_level":-24.704163,"freq_skew":2.274376,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104776,"usec":863775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.457982,"noise_level":-25.615929,"freq_skew":1.892491,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104776,"usec":864369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025210,"noise_level":-25.615929,"freq_skew":3.289938,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104777,"usec":613025},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868165,"noise_level":-26.232386,"freq_skew":1.347772,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104778,"usec":360675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.227290,"noise_level":-26.949951,"freq_skew":2.048591,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104778,"usec":377305},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820904,"noise_level":-26.683409,"freq_skew":2.102018,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42130,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[78,199,233,151]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42130,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,21,187,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":39,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104779,"usec":939129},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.128095,"noise_level":-25.793152,"freq_skew":2.330062,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[238,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104781,"usec":446752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771772,"noise_level":-25.188540,"freq_skew":9.290729,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104782,"usec":214986},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976779,"noise_level":-24.799278,"freq_skew":2.299744,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42130,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[78,199,233,151]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42130,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,21,187,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":39,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104782,"usec":955899},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044742,"noise_level":-24.679363,"freq_skew":6.842909,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104782,"usec":967002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729765,"noise_level":-24.546410,"freq_skew":2.206565,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104782,"usec":978936},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.621468,"noise_level":-24.357883,"freq_skew":3.915277,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59754,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,111,149,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104783,"usec":735446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412906,"noise_level":-24.034050,"freq_skew":4.155447,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104786,"usec":796310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682451,"noise_level":-22.981073,"freq_skew":1.284560,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104787,"usec":554937},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123553,"noise_level":-22.865496,"freq_skew":1.332226,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104787,"usec":576872},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049557,"noise_level":-23.040352,"freq_skew":2.479432,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[133,141,111,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104788,"usec":323569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.547050,"noise_level":-22.930117,"freq_skew":5.342371,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104790,"usec":597672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396674,"noise_level":-22.804050,"freq_skew":3.407620,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104790,"usec":600180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508579,"noise_level":-22.780092,"freq_skew":3.419324,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104790,"usec":605204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979620,"noise_level":-22.869141,"freq_skew":2.880674,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104792,"usec":921205},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783248,"noise_level":-23.449451,"freq_skew":3.373938,"avlc":{"src":{"addr":"3C4A04","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-ABPD","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH02VU","msg_num":"D30","msg_num_seq":"B","sublabel":"DF","msg_text":"02 56 6 32 31000011\r\n 0 019 140 2130\r\n20........ )\r\n 0 019 160 2132\r\n2 81 700 17 13 28 28000011\r\n..................\r\nDC 01 025 128 2064\r\n....................................\r\nDC2 20 0 36 27 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104793,"usec":671916},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782031,"noise_level":-24.955214,"freq_skew":0.929258,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[48,52,235,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104794,"usec":429562},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766851,"noise_level":-25.524349,"freq_skew":6.550431,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".80057S","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"MC0000","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104795,"usec":194155},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943903,"noise_level":-25.808573,"freq_skew":6.301939,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".80057S","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"MC0000","msg_num":"M35","msg_num_seq":"A","msg_text":"0E20839522S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":39,"sec":52}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104795,"usec":197235},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.598611,"noise_level":-25.770611,"freq_skew":3.285930,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...1407","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"LH0001","msg_num":"M09","msg_num_seq":"A","msg_text":"0LS0839532","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":8,"min":39,"sec":53}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104796,"usec":718645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335857,"noise_level":-26.083435,"freq_skew":3.342834,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104797,"usec":463221},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928198,"noise_level":-25.841850,"freq_skew":4.447282,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47558,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[205,182,129,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104798,"usec":217266},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565672,"noise_level":-25.507986,"freq_skew":4.609056,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47558,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[65,86,124,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104798,"usec":217266},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.565672,"noise_level":-25.507986,"freq_skew":4.609056,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":64,"dst_ref":47558,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[43,215,125,243]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104799,"usec":30205},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205653,"noise_level":-25.790657,"freq_skew":6.520779,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104800,"usec":532951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887019,"noise_level":-25.029821,"freq_skew":0.569218,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104800,"usec":536162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.343200,"noise_level":-24.906702,"freq_skew":4.042626,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59754,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,111,149,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104802,"usec":53094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750534,"noise_level":-25.016567,"freq_skew":2.280143,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,187,128,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104802,"usec":69648},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623325,"noise_level":-24.772419,"freq_skew":9.280470,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47466,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[0,0]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104802,"usec":73045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569880,"noise_level":-24.727398,"freq_skew":2.277582,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104802,"usec":807832},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833564,"noise_level":-24.534948,"freq_skew":4.490302,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":47560,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[0]},{"name":"calling_transport_selector","value":[101,110]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[162,167,23,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104804,"usec":340629},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691706,"noise_level":-26.820288,"freq_skew":4.540599,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47560,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[227,205,155,230]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"adsc_v2":{"adsc_ack":{"contract_number":0,"request_type":"periodic-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"ESSPADSC"},{"facility_designation":"EDYY"}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104804,"usec":343767},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954702,"noise_level":-28.781853,"freq_skew":2.206775,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,187,128,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104805,"usec":130033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325818,"noise_level":-28.924515,"freq_skew":4.431777,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104805,"usec":893079},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678158,"noise_level":-29.481060,"freq_skew":4.334011,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47560,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[218,135,174,65]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47560,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,227,97,126]}]}],"adsc_v2":{"adsc_ack":{"contract_number":1,"request_type":"event-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"ESSPADSC"},{"facility_designation":"EDYY"}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104807,"usec":402888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.796858,"noise_level":-28.759445,"freq_skew":2.065205,"avlc":{"src":{"addr":"4CAE7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104808,"usec":178051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184000,"noise_level":-28.183668,"freq_skew":1.132236,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104808,"usec":184899},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441466,"noise_level":-28.029060,"freq_skew":2.144376,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,187,128,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104808,"usec":940309},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.560492,"noise_level":-27.498323,"freq_skew":3.974638,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59754,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,111,149,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104809,"usec":688950},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.070344,"noise_level":-26.978739,"freq_skew":4.930458,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":8.900001},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104811,"usec":215027},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857666,"noise_level":-26.076733,"freq_skew":2.340194,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104811,"usec":217269},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174989,"noise_level":-26.024435,"freq_skew":4.786336,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104812,"usec":768705},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793575,"noise_level":-25.339588,"freq_skew":3.257421,"avlc":{"src":{"addr":"3C4A04","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-ABPD","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH02VU","msg_num":"D30","msg_num_seq":"D","sublabel":"DF","msg_text":".\r\nDCXXXX )XXXXX99999\r\n......................\r\nDC 0XXX0XXXX 1 0 1\r\n200 28 27 28 2811 810101\r\n 0 280XXXXXXXX\r\n 0 037 180 911\r\n20 000 96 2386\r\n0 30 32\r\n0 20 15 0100 0050 0050 211 82 7 67\r\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104814,"usec":271957},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769928,"noise_level":-26.475872,"freq_skew":2.117218,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":42130,"variable_part_params":[{"name":"atn_checksum","value":[91,178,13,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104815,"usec":41668},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.412477,"noise_level":-26.134827,"freq_skew":5.246478,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104815,"usec":790498},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737710,"noise_level":-25.874729,"freq_skew":1.155619,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHT","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TK01BC","msg_num":"F06","msg_num_seq":"A","sublabel":"M1","msg_text":"REQPWI/WQ370:DEXIT.MAVIR.GOVIN.NULGO.TIMUR.XANEX.GASRU/DQ370/SPA982"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104815,"usec":801336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.376410,"noise_level":-25.970011,"freq_skew":2.188248,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104815,"usec":809106},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621251,"noise_level":-26.513100,"freq_skew":3.847563,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":47564,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[69,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104816,"usec":559775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163131,"noise_level":-27.280226,"freq_skew":2.151940,"avlc":{"src":{"addr":"4BA914","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104817,"usec":320603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372460,"noise_level":-28.499046,"freq_skew":2.115954,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104821,"usec":907515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357380,"noise_level":-26.739838,"freq_skew":2.309894,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104824,"usec":937132},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306723,"noise_level":-25.475361,"freq_skew":4.388253,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32812,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[29,231,45,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104824,"usec":944307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.175559,"noise_level":-25.361900,"freq_skew":4.115079,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104825,"usec":734169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.451304,"noise_level":-25.061203,"freq_skew":4.467564,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104825,"usec":735486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.709747,"noise_level":-25.197622,"freq_skew":4.090435,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104826,"usec":501508},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746718,"noise_level":-24.902462,"freq_skew":0.798569,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":195,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104826,"usec":502599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963056,"noise_level":-26.006887,"freq_skew":0.975262,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104827,"usec":265195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621369,"noise_level":-26.075150,"freq_skew":0.695540,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104828,"usec":785071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341803,"noise_level":-25.354210,"freq_skew":4.081639,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104830,"usec":311675},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488853,"noise_level":-25.997707,"freq_skew":3.608291,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104833,"usec":369919},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717280,"noise_level":-24.622490,"freq_skew":3.613328,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104833,"usec":381440},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470703,"noise_level":-25.033070,"freq_skew":6.872773,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"SN06VP","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104837,"usec":924348},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798313,"noise_level":-22.960079,"freq_skew":4.449654,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":66,"dst_ref":47565,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[138,4,117,0]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104838,"usec":688765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460853,"noise_level":-22.636431,"freq_skew":2.042963,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104838,"usec":689779},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565998,"noise_level":-22.624672,"freq_skew":2.324190,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-FVLZ","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"AC0839","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104841,"usec":753983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870735,"noise_level":-23.074688,"freq_skew":5.301974,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104842,"usec":518199},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690003,"noise_level":-23.985180,"freq_skew":4.351989,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5686,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104842,"usec":537215},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915866,"noise_level":-24.526091,"freq_skew":4.420032,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47565,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,130,174,150]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47565,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,74,69,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":40,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104844,"usec":38044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.753787,"noise_level":-24.799444,"freq_skew":6.552779,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104844,"usec":42909},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306482,"noise_level":-24.679527,"freq_skew":2.567514,"avlc":{"src":{"addr":"3CD3B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":99,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,136,192,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":40,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104844,"usec":797548},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.587821,"noise_level":-24.430069,"freq_skew":2.270064,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-FVLZ","mode":"2","label":"_d","blk_id":"5","ack":"I","flight":"AC0839","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104845,"usec":567570},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955841,"noise_level":-23.994312,"freq_skew":7.015749,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"SN06VP","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104849,"usec":381916},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693017,"noise_level":-24.069607,"freq_skew":6.965773,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"SN06VP","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104849,"usec":402446},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434390,"noise_level":-24.401585,"freq_skew":0.510108,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104850,"usec":148148},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690073,"noise_level":-25.280430,"freq_skew":0.597740,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42023,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[218,114,48,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104850,"usec":894992},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067689,"noise_level":-26.075680,"freq_skew":2.065728,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":294,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104851,"usec":670901},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.711542,"noise_level":-26.028713,"freq_skew":2.680438,"avlc":{"src":{"addr":"3CD3B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":99,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,136,192,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":40,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104852,"usec":478928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220239,"noise_level":-25.489386,"freq_skew":5.439459,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104853,"usec":991789},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.897209,"noise_level":-24.798574,"freq_skew":0.643502,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104853,"usec":995108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133534,"noise_level":-25.951845,"freq_skew":2.039504,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104855,"usec":490972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792161,"noise_level":-25.587538,"freq_skew":7.003469,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"_d","blk_id":"4","ack":"U","flight":"SN06VP","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104855,"usec":492067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972845,"noise_level":-25.871649,"freq_skew":2.077543,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104857,"usec":11142},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495916,"noise_level":-26.270466,"freq_skew":2.013927,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":6,"dst_ref":47568,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[49,3]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104858,"usec":534596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.909266,"noise_level":-25.875771,"freq_skew":7.213767,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104859,"usec":333133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731038,"noise_level":-25.524200,"freq_skew":7.091207,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSR","mode":"2","label":"_d","blk_id":"4","ack":"U","flight":"SN06VP","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104860,"usec":95054},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.920046,"noise_level":-25.060970,"freq_skew":5.378261,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":70,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104860,"usec":96410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572730,"noise_level":-25.045431,"freq_skew":2.899882,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104861,"usec":606961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485059,"noise_level":-26.061937,"freq_skew":2.151876,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104861,"usec":620470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.596676,"noise_level":-25.837936,"freq_skew":3.079880,"avlc":{"src":{"addr":"440570","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104861,"usec":628086},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.280964,"noise_level":-25.702906,"freq_skew":1.712659,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":168,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104864,"usec":634001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825976,"noise_level":-25.952894,"freq_skew":6.909334,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104865,"usec":403339},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127236,"noise_level":-25.565222,"freq_skew":5.276163,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[215,9]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104865,"usec":406367},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.472496,"noise_level":-25.515907,"freq_skew":0.692331,"avlc":{"src":{"addr":"4BAAC2","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":161,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104866,"usec":215336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754632,"noise_level":-25.084246,"freq_skew":7.070601,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104866,"usec":962517},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444631,"noise_level":-25.311396,"freq_skew":5.588110,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104872,"usec":285351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439800,"noise_level":-22.691507,"freq_skew":5.538696,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104873,"usec":27218},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734695,"noise_level":-22.585585,"freq_skew":5.634222,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42157,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[45,25,222,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104873,"usec":842561},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564565,"noise_level":-22.917614,"freq_skew":5.765710,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":303,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104874,"usec":591166},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452008,"noise_level":-22.701559,"freq_skew":6.473958,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126453","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,43,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104874,"usec":610698},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.241671,"noise_level":-23.014774,"freq_skew":2.076265,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":9.000000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104874,"usec":610698},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.241671,"noise_level":-23.014774,"freq_skew":2.076265,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH033N","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104875,"usec":349215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172801,"noise_level":-22.904861,"freq_skew":3.040949,"avlc":{"src":{"addr":"440570","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104876,"usec":110425},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698625,"noise_level":-22.700968,"freq_skew":7.052089,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47520,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[201,192,53,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104876,"usec":873170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509149,"noise_level":-22.352428,"freq_skew":6.708382,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104878,"usec":384999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648691,"noise_level":-22.025166,"freq_skew":6.844096,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104878,"usec":401535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.308228,"noise_level":-21.787186,"freq_skew":2.209417,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104880,"usec":716691},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612871,"noise_level":-21.887894,"freq_skew":7.160378,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104880,"usec":716691},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.612871,"noise_level":-21.887894,"freq_skew":7.160378,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104880,"usec":718151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.308283,"noise_level":-21.877108,"freq_skew":9.241112,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47466,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[79,163]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104882,"usec":223251},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480930,"noise_level":-23.496714,"freq_skew":7.176260,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104882,"usec":226205},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660435,"noise_level":-23.470768,"freq_skew":6.969057,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":47520,"variable_part_params":[{"name":"atn_checksum","value":[158,33,227,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104882,"usec":243083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386343,"noise_level":-24.084209,"freq_skew":5.716509,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104882,"usec":985428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635694,"noise_level":-24.522678,"freq_skew":7.021426,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104885,"usec":260822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.984432,"noise_level":-24.112261,"freq_skew":5.150855,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104885,"usec":262692},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056057,"noise_level":-24.098324,"freq_skew":2.403697,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[133,141,111,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104886,"usec":21595},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.021302,"noise_level":-23.810751,"freq_skew":4.525557,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"N80880","msg_num":"D43","msg_num_seq":"F","sublabel":"DF","msg_text":"452044-077002.5-45.5-13.1\r\nC038052.845269497452042-075002.5-45.5-13.0\r\nLN49477E011365-084-01.0-0.001-0001002.1000.4\r\nRN49485E011365-084-00.7-0.001-0000002.0000.0\r\nCN49477E011353-084-00.9-0.003-0001002.0000."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104886,"usec":825910},"freq":136975000,"burst_len_octets":148,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713800,"noise_level":-23.480373,"freq_skew":4.356104,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N663CA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"N80880","msg_num":"D43","msg_num_seq":"G","sublabel":"DF","msg_text":"2\r\nLO-00.1000.700.0000.0000.4-00.1-00.3000.5\r\nLI-01.5-01.300.0\r\nRI000.9-01.100.1\r\nRO-02.2000.700.0\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104891,"usec":370842},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244584,"noise_level":-21.925419,"freq_skew":3.065603,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":180,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104891,"usec":376699},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.071317,"noise_level":-22.564838,"freq_skew":6.840725,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104892,"usec":121746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.462572,"noise_level":-22.334522,"freq_skew":1.903206,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104892,"usec":135900},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356842,"noise_level":-22.210407,"freq_skew":1.685727,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47481,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[111,227,106,248]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104892,"usec":145900},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521747,"noise_level":-22.110157,"freq_skew":1.760008,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47481,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,246,236,87]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104892,"usec":920568},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958422,"noise_level":-22.022009,"freq_skew":3.189080,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104892,"usec":926174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106988,"noise_level":-22.304558,"freq_skew":5.315587,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104893,"usec":682410},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.613741,"noise_level":-22.192038,"freq_skew":1.574924,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104894,"usec":442571},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576649,"noise_level":-21.966373,"freq_skew":7.014145,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104894,"usec":449921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.199838,"noise_level":-21.890457,"freq_skew":5.731533,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104894,"usec":454040},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915416,"noise_level":-21.847372,"freq_skew":6.997029,"avlc":{"src":{"addr":"44CE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42124,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[45,242,102,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104897,"usec":471260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.305925,"noise_level":-21.295723,"freq_skew":1.532414,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104905,"usec":868525},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.554440,"noise_level":-20.603233,"freq_skew":1.505217,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104906,"usec":660810},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553254,"noise_level":-20.364466,"freq_skew":5.692449,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42157,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[130,229,17,129]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42157,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[180,118,95,110]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104908,"usec":930743},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.653590,"noise_level":-21.700480,"freq_skew":2.353465,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[234,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104909,"usec":697251},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707033,"noise_level":-21.409603,"freq_skew":5.509290,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42157,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[130,229,17,129]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42157,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[180,118,95,110]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104910,"usec":477958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.151899,"noise_level":-22.501047,"freq_skew":1.965456,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104910,"usec":481448},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494566,"noise_level":-22.466362,"freq_skew":5.509501,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104912,"usec":732294},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497974,"noise_level":-22.852839,"freq_skew":4.459939,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":true,"local_ref_a":32,"priority":2,"lifetime":15.000000,"flags":71,"pdu_id":52645,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[38,178,77,180,34,112,17,232,51,161,3,1,60,1,135,145,201,179,230,201,134,147,164,8,156,4,122,12,230,37,64,67,34,97,228,114,157,89,181,102,165,9,2,39,1,30,131,57,83,0,15,73,232,121,28,133,50,77,139,41,69,0,137,192,71,160,206,70,200,3,144,136,30,71,32,210,165,22,90,81,236,34,112,17,232,51,141,12,0,200,214,7,145,200,180,164,206,142,148,200,8,156,5,163,189,6,114,21,192,20,31,176,242,57,82,124,41,54,18,166,1,18]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104912,"usec":749709},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.774109,"noise_level":-22.661942,"freq_skew":3.974222,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59754,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,111,149,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104913,"usec":485458},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457785,"noise_level":-23.321777,"freq_skew":5.412558,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42157,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[110,1,221,177]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104913,"usec":487414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856831,"noise_level":-23.258345,"freq_skew":6.194550,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104914,"usec":306486},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971532,"noise_level":-22.972389,"freq_skew":6.404914,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".80057S","mode":"2","label":"B0","blk_id":"9","ack":"!","flight":"MC0000","msg_num":"M37","msg_num_seq":"A","msg_text":"/EDUU.AFN/FMHRCH627,.80057S,,084150/FPON49553E013542,1/FCOADS,01/FCOATC,01C253"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104914,"usec":307594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755620,"noise_level":-22.960167,"freq_skew":5.616716,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104915,"usec":55677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.370142,"noise_level":-22.950790,"freq_skew":1.898270,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104915,"usec":69528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852667,"noise_level":-23.512081,"freq_skew":5.699469,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104915,"usec":72265},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.515539,"noise_level":-24.907768,"freq_skew":7.362428,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[79,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104915,"usec":803629},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.098051,"noise_level":-24.877254,"freq_skew":4.423860,"avlc":{"src":{"addr":"440589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQM","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC54YE","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104915,"usec":803629},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-6.098051,"noise_level":-24.877254,"freq_skew":4.423860,"avlc":{"src":{"addr":"440589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21002611","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,5,137,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104916,"usec":571416},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.960711,"noise_level":-25.623341,"freq_skew":7.211985,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47512,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[234,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104916,"usec":586993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.434320,"noise_level":-25.361790,"freq_skew":6.592916,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104918,"usec":80895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549925,"noise_level":-24.680670,"freq_skew":4.572253,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104918,"usec":84071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.629416,"noise_level":-24.518417,"freq_skew":4.469368,"avlc":{"src":{"addr":"440589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104918,"usec":864780},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485313,"noise_level":-24.188656,"freq_skew":7.120785,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[79,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104920,"usec":405812},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008177,"noise_level":-24.014523,"freq_skew":6.975447,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47512,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[234,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":41,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104921,"usec":168145},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.994160,"noise_level":-23.623562,"freq_skew":7.166584,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[79,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104922,"usec":684188},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425205,"noise_level":-23.746281,"freq_skew":7.299232,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104924,"usec":215431},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548470,"noise_level":-23.102253,"freq_skew":3.811704,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.100000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104927,"usec":276372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151350,"noise_level":-22.893429,"freq_skew":2.162207,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104927,"usec":285964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.539396,"noise_level":-23.237164,"freq_skew":4.551617,"avlc":{"src":{"addr":"440589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104927,"usec":289227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013159,"noise_level":-23.199421,"freq_skew":2.522496,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104928,"usec":799638},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471020,"noise_level":-23.059002,"freq_skew":1.618207,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDN"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.700000},"alt":5000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104930,"usec":309541},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615744,"noise_level":-23.178993,"freq_skew":1.653250,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBF","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH03KK","msg_num":"M47","msg_num_seq":"A","msg_text":"00037234237N7+4(Y5YEDDM+VH,HT7VT2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104931,"usec":76860},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059609,"noise_level":-22.823162,"freq_skew":2.421099,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[238,115,82,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104931,"usec":76860},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.059609,"noise_level":-22.823162,"freq_skew":2.421099,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":137,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104932,"usec":594336},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581351,"noise_level":-23.842461,"freq_skew":3.617914,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.100000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104933,"usec":354885},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243997,"noise_level":-23.459000,"freq_skew":6.760044,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42063,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[182,120]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104933,"usec":367265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936347,"noise_level":-23.944901,"freq_skew":3.650854,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104934,"usec":160300},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710730,"noise_level":-23.688805,"freq_skew":2.313189,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":137,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104934,"usec":162995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888400,"noise_level":-23.649052,"freq_skew":3.855400,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104934,"usec":923069},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.309175,"noise_level":-24.256010,"freq_skew":4.706380,"avlc":{"src":{"addr":"440589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34808,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[115,28,21,63]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104936,"usec":446161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.306798,"noise_level":-23.509247,"freq_skew":4.027948,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104939,"usec":455512},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356404,"noise_level":-22.433767,"freq_skew":1.807501,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,68,76,72,0,60,100,70,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104940,"usec":275224},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010138,"noise_level":-23.184566,"freq_skew":1.590611,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"53030217","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,65,76,0,172,48,143,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104941,"usec":778604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548256,"noise_level":-22.882574,"freq_skew":2.320870,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104942,"usec":543162},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795842,"noise_level":-22.561749,"freq_skew":4.314856,"avlc":{"src":{"addr":"471F66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104943,"usec":294266},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467469,"noise_level":-22.956070,"freq_skew":3.788349,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104944,"usec":810927},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766829,"noise_level":-23.295004,"freq_skew":2.869163,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":18,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104944,"usec":829916},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752635,"noise_level":-23.209200,"freq_skew":4.657769,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32812,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[29,231,45,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104945,"usec":576256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729916,"noise_level":-24.885130,"freq_skew":4.328268,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N663CA","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"N80880","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104948,"usec":651413},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319642,"noise_level":-23.964291,"freq_skew":3.311548,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":6,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104948,"usec":653579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540144,"noise_level":-23.936916,"freq_skew":4.374075,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47565,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,225,47,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104950,"usec":176354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149583,"noise_level":-23.165834,"freq_skew":3.729298,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104951,"usec":681952},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933838,"noise_level":-22.816261,"freq_skew":3.566573,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...1407","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH0001","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104953,"usec":216013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098251,"noise_level":-22.046556,"freq_skew":3.629859,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104953,"usec":994700},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198992,"noise_level":-22.612652,"freq_skew":7.269555,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":76,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[75,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104954,"usec":1309},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077925,"noise_level":-22.554178,"freq_skew":3.610333,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104954,"usec":7120},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819377,"noise_level":-23.431396,"freq_skew":0.231393,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"XQ08UH","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104954,"usec":761123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735216,"noise_level":-23.177269,"freq_skew":3.610939,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104963,"usec":150956},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578786,"noise_level":-21.419971,"freq_skew":2.271780,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47568,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[4,150]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104965,"usec":418598},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988304,"noise_level":-20.769827,"freq_skew":1.773124,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104965,"usec":423623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915838,"noise_level":-20.694229,"freq_skew":1.131828,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104967,"usec":741920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139762,"noise_level":-19.869087,"freq_skew":2.403013,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104969,"usec":256802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356068,"noise_level":-19.582943,"freq_skew":4.461876,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104973,"usec":810634},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187196,"noise_level":-18.831955,"freq_skew":4.170512,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.100000},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104974,"usec":610200},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904584,"noise_level":-18.644173,"freq_skew":4.301579,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH0175","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104974,"usec":610200},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.904584,"noise_level":-18.644173,"freq_skew":4.301579,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062741","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,225,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104975,"usec":385127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580961,"noise_level":-18.409586,"freq_skew":4.338472,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104976,"usec":153203},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484453,"noise_level":-18.666952,"freq_skew":5.014705,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.400001},"alt":0}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104976,"usec":910917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.262311,"noise_level":-18.460812,"freq_skew":1.899262,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104977,"usec":648289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432234,"noise_level":-19.038532,"freq_skew":2.603379,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104977,"usec":661628},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.857042,"noise_level":-18.930347,"freq_skew":2.790927,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"KRDU"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.600000},"alt":1000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104977,"usec":662711},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790956,"noise_level":-18.922672,"freq_skew":4.803507,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"XQ04WY","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104977,"usec":664397},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121698,"noise_level":-19.953770,"freq_skew":2.270421,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[183,223,127,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104978,"usec":412678},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952879,"noise_level":-19.850706,"freq_skew":2.608111,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKS","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH0408","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104978,"usec":420470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031594,"noise_level":-20.513975,"freq_skew":4.821907,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104979,"usec":185553},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.395114,"noise_level":-20.223976,"freq_skew":1.926632,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNN","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH033N","msg_num":"M60","msg_num_seq":"A","msg_text":"0004923424537*X)V23SOUU(7KF8*7O34M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104980,"usec":725957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047135,"noise_level":-20.685562,"freq_skew":2.802942,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104982,"usec":246181},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702224,"noise_level":-20.314901,"freq_skew":2.118307,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[159,16,206,74]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47528,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[216,217,76,203]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":43,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104983,"usec":10050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620725,"noise_level":-20.335419,"freq_skew":2.097302,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104983,"usec":20290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156209,"noise_level":-20.227755,"freq_skew":4.536242,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104983,"usec":776203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808078,"noise_level":-20.033764,"freq_skew":4.569942,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104990,"usec":633532},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821656,"noise_level":-20.000134,"freq_skew":2.184480,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":209,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47528,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[94,92,129,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":43,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104992,"usec":149113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961874,"noise_level":-20.042778,"freq_skew":2.166298,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104992,"usec":903239},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812723,"noise_level":-19.878490,"freq_skew":3.237431,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":142,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104995,"usec":220082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045898,"noise_level":-19.187248,"freq_skew":2.092295,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104995,"usec":220578},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.572570,"noise_level":-19.930197,"freq_skew":2.971857,"avlc":{"src":{"addr":"440570","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104995,"usec":225827},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091960,"noise_level":-19.827408,"freq_skew":2.271817,"avlc":{"src":{"addr":"345314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":210,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47528,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[244,220,1,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104997,"usec":502792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.512581,"noise_level":-19.203232,"freq_skew":7.014530,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104998,"usec":265479},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915142,"noise_level":-19.298508,"freq_skew":5.273018,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVR","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR23DQ","msg_num":"M09","msg_num_seq":"A","msg_text":"084302,38009,0922, 96,N 47.080 E 12.534"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104999,"usec":36390},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979368,"noise_level":-20.145206,"freq_skew":5.742631,"avlc":{"src":{"addr":"48E9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1045,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784104999,"usec":772811},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794835,"noise_level":-20.118750,"freq_skew":3.791755,"avlc":{"src":{"addr":"3C6542","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105000,"usec":578622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.360304,"noise_level":-21.774410,"freq_skew":3.125006,"avlc":{"src":{"addr":"440570","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105000,"usec":589389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.935822,"noise_level":-21.689589,"freq_skew":5.597970,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105001,"usec":353145},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661131,"noise_level":-21.368511,"freq_skew":1.715894,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105004,"usec":372910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673262,"noise_level":-20.849276,"freq_skew":4.071429,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105005,"usec":137205},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.880241,"noise_level":-20.716206,"freq_skew":0.902926,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105005,"usec":137754},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560575,"noise_level":-20.716206,"freq_skew":4.329759,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105008,"usec":213741},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243785,"noise_level":-21.466393,"freq_skew":1.064293,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105008,"usec":215268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684851,"noise_level":-21.923298,"freq_skew":4.954324,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105008,"usec":215533},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802691,"noise_level":-21.923298,"freq_skew":1.209326,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42146,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[97,35,144,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105009,"usec":727375},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695680,"noise_level":-22.176037,"freq_skew":4.213014,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32807,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[53,24,152,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105009,"usec":728030},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634528,"noise_level":-22.311838,"freq_skew":6.846610,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42063,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[52,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105009,"usec":743913},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615571,"noise_level":-22.099104,"freq_skew":6.386891,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42063,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[98,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":43,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105011,"usec":258439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701033,"noise_level":-21.604662,"freq_skew":6.575000,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105013,"usec":525825},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585072,"noise_level":-21.591166,"freq_skew":2.660305,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":7.800000},"alt":12000}},{"name":"alternate_ground_stations","value":["10981A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105014,"usec":283386},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006777,"noise_level":-21.303864,"freq_skew":2.713663,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GHPU","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"AC0842","msg_num":"L20","msg_num_seq":"A","msg_text":"/EDDF.TI2/030EDDFAAE86"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105015,"usec":83486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075360,"noise_level":-21.437723,"freq_skew":5.510306,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105016,"usec":600858},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546562,"noise_level":-22.424679,"freq_skew":6.517176,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGUN"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105017,"usec":361193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889066,"noise_level":-22.388237,"freq_skew":2.458661,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105018,"usec":870278},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582531,"noise_level":-24.197180,"freq_skew":2.681193,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105019,"usec":623816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210459,"noise_level":-23.906368,"freq_skew":4.409035,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105019,"usec":642624},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325338,"noise_level":-24.517508,"freq_skew":6.681842,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":464,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105019,"usec":644331},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571704,"noise_level":-24.510210,"freq_skew":5.620749,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42157,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[220,6,169,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105020,"usec":396797},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793815,"noise_level":-24.208910,"freq_skew":2.602367,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GHPU","mode":"2","label":"_d","blk_id":"3","ack":"A","flight":"AC0842","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":186137},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709752,"noise_level":-24.890430,"freq_skew":2.533672,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":136,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":2,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":188084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211067,"noise_level":-25.020164,"freq_skew":5.003746,"avlc":{"src":{"addr":"4B161B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":190152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397086,"noise_level":-25.004696,"freq_skew":2.947085,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":202467},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.581350,"noise_level":-24.821194,"freq_skew":3.212854,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":205149},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.448650,"noise_level":-24.775917,"freq_skew":5.451264,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":949558},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620798,"noise_level":-24.700977,"freq_skew":4.265795,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"ZD0000","msg_num":"M30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":951092},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098526,"noise_level":-25.360935,"freq_skew":5.517455,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWE","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"4X07TD","msg_num":"S54","msg_num_seq":"A","msg_text":"0EV084333V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":43,"sec":33}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105021,"usec":963182},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700898,"noise_level":-25.169832,"freq_skew":2.646809,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105022,"usec":698044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371588,"noise_level":-26.354139,"freq_skew":4.978983,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105022,"usec":698331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610920,"noise_level":-26.354139,"freq_skew":6.281777,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105023,"usec":482708},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966955,"noise_level":-26.224934,"freq_skew":4.055008,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":9.100000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105024,"usec":220323},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789828,"noise_level":-26.136457,"freq_skew":6.518710,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221171","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,121,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105024,"usec":994788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760373,"noise_level":-26.574440,"freq_skew":6.766834,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105025,"usec":733278},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.720753,"noise_level":-26.482353,"freq_skew":3.915630,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105026,"usec":492607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.079487,"noise_level":-25.983953,"freq_skew":3.001345,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105027,"usec":257124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726863,"noise_level":-25.578396,"freq_skew":6.736343,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105029,"usec":573325},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588140,"noise_level":-25.788254,"freq_skew":2.676863,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":137,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,67,65,0,192,88,191],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105031,"usec":87342},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.407496,"noise_level":-25.358458,"freq_skew":5.382177,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105032,"usec":611365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940187,"noise_level":-25.057907,"freq_skew":3.002207,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105033,"usec":366987},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596580,"noise_level":-25.629644,"freq_skew":1.888543,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBF","mode":"2","label":"H2","blk_id":"7","ack":"!","flight":"LH03KK","msg_num":"M48","msg_num_seq":"B","msg_text":"T)RKV:SFFLL"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105034,"usec":145410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446555,"noise_level":-24.974108,"freq_skew":1.744481,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105034,"usec":147923},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358367,"noise_level":-24.897446,"freq_skew":2.692460,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105035,"usec":698438},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775001,"noise_level":-24.256615,"freq_skew":2.537306,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105037,"usec":963382},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097555,"noise_level":-23.853140,"freq_skew":7.416323,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":77,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[26,174]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105041,"usec":810764},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891786,"noise_level":-23.169518,"freq_skew":1.773483,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":908,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":17,"dst_ref":42178,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[247,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105043,"usec":331958},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704460,"noise_level":-23.658468,"freq_skew":1.594091,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105043,"usec":333325},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307429,"noise_level":-23.632038,"freq_skew":4.364614,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47565,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,225,47,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105047,"usec":911404},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.136237,"noise_level":-23.268702,"freq_skew":5.322686,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":270,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":6,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105047,"usec":911883},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.391779,"noise_level":-23.256058,"freq_skew":4.112809,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":66,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":46.000000,"flags":192,"pdu_id":6217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":54273,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[108,135,236,103]},{"name":"checksum","value":[87,39]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264773,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105049,"usec":433799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.345004,"noise_level":-25.557632,"freq_skew":7.295010,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105051,"usec":723393},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.332399,"noise_level":-24.602577,"freq_skew":3.767350,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":66,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":46.000000,"flags":192,"pdu_id":6217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":54273,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[108,135,236,103]},{"name":"checksum","value":[87,39]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264773,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105052,"usec":470629},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551482,"noise_level":-24.441765,"freq_skew":2.285244,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47568,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[73,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105053,"usec":235171},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975832,"noise_level":-23.976460,"freq_skew":5.337180,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[215,9]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105054,"usec":777323},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138190,"noise_level":-24.097147,"freq_skew":1.219530,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105057,"usec":56051},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877608,"noise_level":-23.015244,"freq_skew":4.111488,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"ZD0000","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105059,"usec":327609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209091,"noise_level":-22.653086,"freq_skew":2.870919,"avlc":{"src":{"addr":"AD8C82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105059,"usec":332672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169471,"noise_level":-22.501163,"freq_skew":1.179523,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105062,"usec":409284},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454821,"noise_level":-22.059654,"freq_skew":4.462590,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105063,"usec":179764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140852,"noise_level":-23.014198,"freq_skew":5.178715,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105064,"usec":706276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581905,"noise_level":-26.281282,"freq_skew":4.611419,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105065,"usec":447696},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727526,"noise_level":-26.912315,"freq_skew":4.388292,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105065,"usec":448239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965834,"noise_level":-27.920094,"freq_skew":4.141319,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105065,"usec":452518},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427269,"noise_level":-27.834049,"freq_skew":2.264262,"avlc":{"src":{"addr":"C038AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47568,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[0,153]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105066,"usec":193148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.790975,"noise_level":-27.477571,"freq_skew":5.359489,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105066,"usec":967361},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719972,"noise_level":-27.221478,"freq_skew":2.086418,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":42179,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[165,163,228,154]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105067,"usec":720071},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763857,"noise_level":-27.153482,"freq_skew":1.927273,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42179,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,20,223,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":44,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105067,"usec":723596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637352,"noise_level":-28.376007,"freq_skew":2.132436,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105069,"usec":275991},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673980,"noise_level":-27.406879,"freq_skew":4.565891,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47565,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[218,79,224,65]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47565,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,252,192,252]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":44,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105069,"usec":291221},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872239,"noise_level":-28.267788,"freq_skew":4.321203,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"N80880","msg_num":"D46","msg_num_seq":"C","sublabel":"DF","msg_text":"42**.****.**0033.1085.0273**.**05736338.038.5.396\r\n3643**.****.**0032.8081.0269**.**05436738.038.5.395\r\n3644**.****.**0031.9077.0263**.**04737037.638.0.393\r\n3645**.****.**0031.0073.5258**.**04437337.337.8.3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105069,"usec":293602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142946,"noise_level":-28.598883,"freq_skew":5.328089,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105070,"usec":46997},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446417,"noise_level":-28.187998,"freq_skew":4.115062,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"ZD0000","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105070,"usec":796487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565801,"noise_level":-28.215687,"freq_skew":1.958915,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42179,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[184,42,138,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105072,"usec":310520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936294,"noise_level":-27.143906,"freq_skew":4.638399,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105073,"usec":71972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062264,"noise_level":-26.570166,"freq_skew":5.315580,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105073,"usec":838639},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251955,"noise_level":-25.979958,"freq_skew":2.536614,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47548,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,3,9,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105073,"usec":849691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972780,"noise_level":-25.741196,"freq_skew":2.126884,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105074,"usec":592721},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593313,"noise_level":-26.470043,"freq_skew":2.099919,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42179,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[99,195,238,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105075,"usec":388796},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688284,"noise_level":-26.862757,"freq_skew":2.244666,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42179,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,143,141,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":44,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105076,"usec":922975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015663,"noise_level":-25.700026,"freq_skew":2.208623,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105076,"usec":927373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359458,"noise_level":-26.281374,"freq_skew":1.882840,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105079,"usec":963133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645545,"noise_level":-25.092886,"freq_skew":4.011936,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"ZD0000","msg_num":"M37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105081,"usec":480999},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900768,"noise_level":-25.243399,"freq_skew":3.998109,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"ZD0000","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105083,"usec":23201},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788927,"noise_level":-25.647066,"freq_skew":3.626593,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDV"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105083,"usec":28240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.591404,"noise_level":-25.564255,"freq_skew":5.278897,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105083,"usec":797858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777146,"noise_level":-25.314093,"freq_skew":4.201800,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"ZD0000","msg_num":"M39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105085,"usec":309651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023846,"noise_level":-24.636559,"freq_skew":1.442415,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105086,"usec":59780},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.743330,"noise_level":-24.431610,"freq_skew":2.183149,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[94,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105086,"usec":821518},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073565,"noise_level":-23.966835,"freq_skew":4.267053,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"ZD0000","msg_num":"M40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105089,"usec":143686},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205317,"noise_level":-24.426470,"freq_skew":4.176606,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"ZD0000","msg_num":"M41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105090,"usec":661616},"freq":136975000,"burst_len_octets":146,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756846,"noise_level":-28.044157,"freq_skew":4.584899,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":true,"reasm_status":"in progress","unknown_proto":{"data":[143,65,156,174,128,2,103,76,60,142,83,147,74,60,244,176,120,68,160,35,208,103,44,164,0,128,210,15,35,145,162,210,147,81,44,94,17,40,8,244,25,204,232,0,9,15,131,200,212,200,51,82,213,65,18,128,170,181,192,207,144,158,0,168,174,30,70,151,141,8,145,64,184,26,9,9,64,34,38,131,111,82,253,129,17,0,94,131,67,159,168,6,98,144,96,204,175,22,100,153,201,134,201,9,128,178,7,160,209,209,250,2,42,46,20,11,32,203,171,66,10,100,70,66,96,35,208,105]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105090,"usec":677871},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576892,"noise_level":-29.190054,"freq_skew":2.696023,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LLBG"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.500000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105090,"usec":679257},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.241428,"noise_level":-29.833021,"freq_skew":2.092515,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[94,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105091,"usec":409562},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557142,"noise_level":-29.725906,"freq_skew":3.868170,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"9","ack":"A","flight":"ZD0000","msg_num":"M42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105091,"usec":428297},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229120,"noise_level":-29.346252,"freq_skew":3.493570,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105092,"usec":172232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006462,"noise_level":-29.194727,"freq_skew":2.646707,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105093,"usec":696165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140296,"noise_level":-28.826239,"freq_skew":3.516586,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105095,"usec":246403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721995,"noise_level":-27.915840,"freq_skew":2.806683,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105096,"usec":10502},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923975,"noise_level":-27.330961,"freq_skew":2.467610,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWC","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"EW037V","msg_num":"M83","msg_num_seq":"A","msg_text":"00064209282K7:I):4::7I7EM:)III)*E)MM*-*F7)*D)MXXXDDT-D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105097,"usec":530611},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.937506,"noise_level":-27.201450,"freq_skew":2.602175,"avlc":{"src":{"addr":"4D2415","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105099,"usec":52864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932617,"noise_level":-26.152863,"freq_skew":4.672214,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105099,"usec":54245},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.563838,"noise_level":-26.135244,"freq_skew":3.543610,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105099,"usec":800728},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495678,"noise_level":-25.875134,"freq_skew":4.066739,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"1","ack":"C","flight":"ZD0000","msg_num":"M44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105100,"usec":562834},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149436,"noise_level":-25.377178,"freq_skew":7.312304,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[71,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105101,"usec":318398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.221207,"noise_level":-25.091555,"freq_skew":2.802284,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105102,"usec":129258},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.571651,"noise_level":-24.679995,"freq_skew":3.656578,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,75,74,0,75,176,43,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105102,"usec":130464},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.875156,"noise_level":-24.665119,"freq_skew":2.030109,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105103,"usec":630606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632949,"noise_level":-24.173964,"freq_skew":7.123254,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105103,"usec":651905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063895,"noise_level":-23.924763,"freq_skew":4.387806,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105104,"usec":393862},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.133579,"noise_level":-25.847492,"freq_skew":5.970110,"avlc":{"src":{"addr":"4CAE9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42134,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[230,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":149990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558445,"noise_level":-25.546249,"freq_skew":4.174748,"avlc":{"src":{"addr":"424765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..VPCGN","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"ZD0000","msg_num":"M45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":156056},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488957,"noise_level":-26.250019,"freq_skew":4.387064,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":157831},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787160,"noise_level":-27.236681,"freq_skew":1.053067,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":157831},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.787160,"noise_level":-27.236681,"freq_skew":1.053067,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42146,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[97,35,144,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":916686},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.521211,"noise_level":-26.619675,"freq_skew":3.814007,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,75,74,0,75,176,43,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105105,"usec":917399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246572,"noise_level":-26.601084,"freq_skew":5.794082,"avlc":{"src":{"addr":"4CAE9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105106,"usec":669847},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148950,"noise_level":-26.326866,"freq_skew":7.311843,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47512,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[40,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":45,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105107,"usec":435568},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018942,"noise_level":-25.735605,"freq_skew":3.406658,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105108,"usec":198738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.707684,"noise_level":-25.245365,"freq_skew":2.842735,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105108,"usec":954813},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645943,"noise_level":-25.672073,"freq_skew":1.232844,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105108,"usec":956271},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759023,"noise_level":-25.655401,"freq_skew":1.175373,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42146,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[97,35,144,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105110,"usec":519740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597960,"noise_level":-26.666422,"freq_skew":4.389902,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105111,"usec":264688},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.155745,"noise_level":-26.517994,"freq_skew":7.300414,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47512,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[40,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":45,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105112,"usec":15900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.900042,"noise_level":-26.210762,"freq_skew":3.038403,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105112,"usec":794462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.067620,"noise_level":-25.413898,"freq_skew":2.177936,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105113,"usec":546167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.668643,"noise_level":-25.221642,"freq_skew":2.858597,"avlc":{"src":{"addr":"440570","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105113,"usec":554936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.964933,"noise_level":-25.095795,"freq_skew":5.256378,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105114,"usec":311456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973795,"noise_level":-24.654301,"freq_skew":5.517662,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105115,"usec":52025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.315943,"noise_level":-24.565693,"freq_skew":5.197890,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105115,"usec":53566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649057,"noise_level":-24.551012,"freq_skew":5.455298,"avlc":{"src":{"addr":"4D2035","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42157,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[220,6,169,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105115,"usec":74043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.893901,"noise_level":-24.248318,"freq_skew":6.770122,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105115,"usec":862674},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.309030,"noise_level":-24.066090,"freq_skew":5.496798,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[216,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105116,"usec":610670},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537885,"noise_level":-23.914825,"freq_skew":5.302740,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105116,"usec":623846},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002240,"noise_level":-24.204914,"freq_skew":5.277417,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[216,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105118,"usec":134172},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809564,"noise_level":-23.780342,"freq_skew":7.327882,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[67,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105118,"usec":149959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374848,"noise_level":-23.581297,"freq_skew":2.907423,"avlc":{"src":{"addr":"AD8C82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105118,"usec":885805},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633780,"noise_level":-23.801861,"freq_skew":4.346597,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDFH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105121,"usec":190036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.641909,"noise_level":-22.504360,"freq_skew":2.194713,"avlc":{"src":{"addr":"A89D59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105121,"usec":925395},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274576,"noise_level":-22.461939,"freq_skew":2.247062,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[180,34]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105121,"usec":932391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893192,"noise_level":-22.393017,"freq_skew":4.520957,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105121,"usec":942820},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844286,"noise_level":-23.145712,"freq_skew":5.452165,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[77,31]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":45,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105123,"usec":497960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258008,"noise_level":-23.434725,"freq_skew":3.875176,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105124,"usec":258081},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.673896,"noise_level":-23.093252,"freq_skew":3.356927,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105124,"usec":261543},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339122,"noise_level":-23.056126,"freq_skew":6.434158,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3517,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105125,"usec":778221},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557196,"noise_level":-22.505878,"freq_skew":4.245456,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"BKPR"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":10.300000},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105126,"usec":528193},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683218,"noise_level":-22.356491,"freq_skew":4.235856,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"W63929","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105126,"usec":528193},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.683218,"noise_level":-22.356491,"freq_skew":4.235856,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21616665","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,87,90,90,0,71,29,181,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105127,"usec":288578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784446,"noise_level":-22.304466,"freq_skew":4.260520,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105127,"usec":297403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375440,"noise_level":-22.236778,"freq_skew":3.945586,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105128,"usec":37102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799375,"noise_level":-22.203133,"freq_skew":4.135216,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105128,"usec":41463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102494,"noise_level":-22.158472,"freq_skew":1.463037,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105131,"usec":117791},"freq":136975000,"burst_len_octets":139,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.364597,"noise_level":-22.884357,"freq_skew":3.758482,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NAQ","mode":"2","label":"80","blk_id":"3","ack":"!","flight":"A306AV","msg_num":"M29","msg_num_seq":"A","msg_text":"3N01 POSRPT 06AV/15 LGAV/EGLL .SX-NAQ\r\n/POS N47111E008480/ALT +34005/MCH 770/FOB 0062/ETA 1004"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105133,"usec":405847},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813124,"noise_level":-23.898064,"freq_skew":0.038462,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":199,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105136,"usec":462570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044032,"noise_level":-22.812340,"freq_skew":6.622875,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105136,"usec":466308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187640,"noise_level":-22.740595,"freq_skew":0.077343,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105137,"usec":231271},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903774,"noise_level":-22.447874,"freq_skew":4.357719,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47560,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[48,84,224,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105137,"usec":243396},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631257,"noise_level":-22.310799,"freq_skew":3.963038,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,87,90,90,0,71,29,181,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105137,"usec":985965},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971263,"noise_level":-22.958885,"freq_skew":4.726413,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":10.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105139,"usec":502413},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653644,"noise_level":-23.052181,"freq_skew":4.081120,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105139,"usec":518766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885293,"noise_level":-22.868979,"freq_skew":3.645073,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105141,"usec":30407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020416,"noise_level":-23.009796,"freq_skew":1.233998,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105150,"usec":199783},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.711905,"noise_level":-21.102600,"freq_skew":4.941013,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EPMO"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":12.600000},"alt":119000}},{"name":"alternate_ground_stations","value":["1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105152,"usec":479151},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.968787,"noise_level":-21.015213,"freq_skew":4.589864,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105152,"usec":483971},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047643,"noise_level":-21.931820,"freq_skew":7.375980,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47512,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[56,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105154,"usec":2641},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796003,"noise_level":-22.062611,"freq_skew":7.408041,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47512,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[214,254]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":45,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105155,"usec":563425},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655480,"noise_level":-21.497641,"freq_skew":7.478943,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105157,"usec":844382},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666945,"noise_level":-21.603050,"freq_skew":4.948436,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":10.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105159,"usec":346748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.335354,"noise_level":-21.165077,"freq_skew":5.572210,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105161,"usec":619823},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085781,"noise_level":-21.238462,"freq_skew":1.498146,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":176,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105162,"usec":402679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.025412,"noise_level":-21.637226,"freq_skew":2.533505,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105163,"usec":187832},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803780,"noise_level":-21.564119,"freq_skew":7.113049,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":84,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105164,"usec":709072},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363626,"noise_level":-22.205215,"freq_skew":5.496410,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105165,"usec":467028},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.915084,"noise_level":-22.829466,"freq_skew":1.439204,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":176,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105165,"usec":473736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034219,"noise_level":-22.757578,"freq_skew":1.102680,"avlc":{"src":{"addr":"501D1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105166,"usec":223065},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.426377,"noise_level":-23.782053,"freq_skew":5.575264,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59784,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,155,131,76]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105166,"usec":992387},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805297,"noise_level":-24.502300,"freq_skew":5.420434,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105168,"usec":503245},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019929,"noise_level":-23.815472,"freq_skew":7.156191,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":84,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105168,"usec":505636},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817942,"noise_level":-23.748344,"freq_skew":4.807128,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105169,"usec":257142},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.449222,"noise_level":-23.615631,"freq_skew":3.177525,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":44250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[177,42,84,127]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105170,"usec":815880},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293368,"noise_level":-23.760906,"freq_skew":1.501675,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":176,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105172,"usec":345424},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.935134,"noise_level":-23.165707,"freq_skew":3.154140,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":44250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[177,42,84,127]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105173,"usec":859617},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.643041,"noise_level":-22.515369,"freq_skew":6.095288,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47619,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[8,98]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105173,"usec":871689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.684817,"noise_level":-22.377228,"freq_skew":3.126311,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105174,"usec":620871},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128303,"noise_level":-22.196398,"freq_skew":2.122181,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"2","ack":"A","flight":"AA0285","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105176,"usec":178756},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459019,"noise_level":-21.731195,"freq_skew":5.799970,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47619,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[76,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105176,"usec":186649},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036111,"noise_level":-22.135773,"freq_skew":4.135375,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105176,"usec":938941},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.605116,"noise_level":-21.981644,"freq_skew":1.961115,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"AA0285","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105176,"usec":948436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.978393,"noise_level":-21.894783,"freq_skew":2.080998,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105177,"usec":691543},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.609504,"noise_level":-21.607883,"freq_skew":5.191563,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105178,"usec":451805},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355237,"noise_level":-21.493662,"freq_skew":3.165894,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":44250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[177,42,84,127]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105178,"usec":452591},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.843168,"noise_level":-21.493662,"freq_skew":6.052652,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105179,"usec":955687},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743194,"noise_level":-21.929771,"freq_skew":3.967656,"avlc":{"src":{"addr":"4850B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"KHPN"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":12.000000},"alt":1000}},{"name":"alternate_ground_stations","value":["11911A","109D6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105179,"usec":958862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007827,"noise_level":-22.269266,"freq_skew":4.150780,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105181,"usec":480599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.383520,"noise_level":-22.978971,"freq_skew":2.205148,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"283F57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"AA0285","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105184,"usec":560829},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674859,"noise_level":-22.447731,"freq_skew":2.358930,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105184,"usec":562114},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129009,"noise_level":-22.413258,"freq_skew":2.191890,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":124,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105186,"usec":75459},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624119,"noise_level":-22.209251,"freq_skew":4.460565,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32812,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[29,231,45,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105186,"usec":76323},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757643,"noise_level":-23.255314,"freq_skew":5.350045,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2442,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105186,"usec":851157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.080791,"noise_level":-22.704561,"freq_skew":1.400081,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105188,"usec":364515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187320,"noise_level":-22.655521,"freq_skew":4.957471,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105189,"usec":118659},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615322,"noise_level":-23.607571,"freq_skew":4.376062,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32812,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[29,231,45,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105190,"usec":670327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938217,"noise_level":-24.491480,"freq_skew":3.955000,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105190,"usec":675098},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980010,"noise_level":-24.825785,"freq_skew":4.025121,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105190,"usec":681629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949003,"noise_level":-24.690588,"freq_skew":2.087772,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105192,"usec":201604},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.431906,"noise_level":-24.058321,"freq_skew":2.305285,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47623,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[3,106,84,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105192,"usec":203142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076175,"noise_level":-24.030645,"freq_skew":4.113319,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105192,"usec":958035},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638258,"noise_level":-24.361706,"freq_skew":4.079230,"avlc":{"src":{"addr":"4850B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"KHPN"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":12.000000},"alt":1000}},{"name":"alternate_ground_stations","value":["11911A","109D6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105192,"usec":959365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.464246,"noise_level":-24.347364,"freq_skew":5.209525,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105193,"usec":700938},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847253,"noise_level":-24.233492,"freq_skew":5.222241,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14408,"dst_ref":228,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[97,232,25,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105196,"usec":21110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725372,"noise_level":-23.718773,"freq_skew":3.376742,"avlc":{"src":{"addr":"AD8C82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105196,"usec":774496},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.044825,"noise_level":-23.612797,"freq_skew":4.840209,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"N80880","msg_num":"D52","msg_num_seq":"A","sublabel":"DF","msg_text":"1501B747N663CANCR880*15JUL2608423310452259233.399007000017.5-162\r\nOEJNEDFHDC706913707000704115707000VI470436345781\r\n1706913000016000003000001600000315JUL26001807001046\r\n1003.00001003.20000VN2T.1--\r\n36240470"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105198,"usec":296910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197249,"noise_level":-22.905117,"freq_skew":3.938606,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105199,"usec":75254},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.818334,"noise_level":-22.618628,"freq_skew":2.002616,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105199,"usec":81547},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979575,"noise_level":-22.536819,"freq_skew":5.343977,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[208,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105201,"usec":341506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.310513,"noise_level":-21.801146,"freq_skew":5.236570,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105201,"usec":351876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352043,"noise_level":-21.684370,"freq_skew":4.844350,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105202,"usec":89097},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712237,"noise_level":-21.621332,"freq_skew":4.566308,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":10.300000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105206,"usec":700878},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639910,"noise_level":-20.508125,"freq_skew":2.323844,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105206,"usec":706627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.592530,"noise_level":-21.213953,"freq_skew":4.767690,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105208,"usec":972194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315068,"noise_level":-20.606403,"freq_skew":3.762386,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105208,"usec":980147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183522,"noise_level":-20.522978,"freq_skew":5.252191,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105209,"usec":709069},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.742761,"noise_level":-20.504549,"freq_skew":4.006576,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105211,"usec":286007},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.112080,"noise_level":-20.681002,"freq_skew":2.048200,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"9","ack":"G","flight":"AA0285","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105212,"usec":60076},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.363843,"noise_level":-20.657173,"freq_skew":2.002604,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"0","ack":"H","flight":"AA0285","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105213,"usec":557324},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828373,"noise_level":-21.121397,"freq_skew":5.344209,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":4,"rseq":8,"variable_part_params":[{"name":"checksum","value":[197,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105214,"usec":315637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257785,"noise_level":-20.877769,"freq_skew":7.142101,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105215,"usec":854202},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652810,"noise_level":-20.256664,"freq_skew":7.348469,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ETAR"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":4.700000},"alt":255000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105217,"usec":394243},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566846,"noise_level":-19.983658,"freq_skew":3.971772,"avlc":{"src":{"addr":"4850B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"dst_airport","value":"KHPN"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":12.000000},"alt":1000}},{"name":"alternate_ground_stations","value":["11911A","109D6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105217,"usec":409103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961225,"noise_level":-20.640505,"freq_skew":2.049679,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105218,"usec":164008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219059,"noise_level":-21.671999,"freq_skew":4.676240,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105218,"usec":929285},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683232,"noise_level":-21.578329,"freq_skew":7.089604,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105219,"usec":678480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172451,"noise_level":-21.998999,"freq_skew":5.315831,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105221,"usec":197106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.560049,"noise_level":-21.523529,"freq_skew":5.324589,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":90,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105221,"usec":198709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925498,"noise_level":-21.513184,"freq_skew":3.520576,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105222,"usec":705567},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.182785,"noise_level":-21.128923,"freq_skew":2.764935,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105225,"usec":784797},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960643,"noise_level":-20.183268,"freq_skew":1.949338,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[180,34]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105225,"usec":794144},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172111,"noise_level":-20.103790,"freq_skew":5.506004,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59784,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,155,131,76]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105226,"usec":550553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085962,"noise_level":-19.903929,"freq_skew":3.621495,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105229,"usec":568710},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943347,"noise_level":-19.226616,"freq_skew":2.202460,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[180,34]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105229,"usec":578172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138583,"noise_level":-19.171171,"freq_skew":3.190917,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105230,"usec":370097},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985975,"noise_level":-19.045752,"freq_skew":0.968466,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105231,"usec":146501},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.142680,"noise_level":-18.717400,"freq_skew":5.013640,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EPMO"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":12.800000},"alt":119000}},{"name":"alternate_ground_stations","value":["10923A","10970A","1098FA","10911A","10F66A","10FA7A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105232,"usec":648392},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175094,"noise_level":-18.488148,"freq_skew":5.003776,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141046","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,38,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105232,"usec":665572},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165908,"noise_level":-18.329050,"freq_skew":3.476111,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":15175,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[140,87]},{"name":"atn_checksum","value":[249,211,115,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105234,"usec":181939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128107,"noise_level":-17.998615,"freq_skew":4.833758,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105237,"usec":245456},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754259,"noise_level":-19.452421,"freq_skew":5.142929,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45693,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[3,234]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105238,"usec":6120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.674672,"noise_level":-19.331167,"freq_skew":4.940509,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105238,"usec":7268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189976,"noise_level":-19.323130,"freq_skew":3.487472,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105238,"usec":18132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998964,"noise_level":-19.243149,"freq_skew":0.744563,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105239,"usec":533800},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805203,"noise_level":-19.202627,"freq_skew":3.211728,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTK","mode":"2","label":"10","blk_id":"0","ack":"!","flight":"GS0000","msg_num":"M32","msg_num_seq":"A","msg_text":"/N49.360/E014.470/10/0.63/098/234/LKMT/0908/0038/00033/UPLAV/POLOM/0850/MT604/0847/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105239,"usec":538326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.394082,"noise_level":-19.170988,"freq_skew":4.810685,"avlc":{"src":{"addr":"3C7982","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105240,"usec":284011},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.838876,"noise_level":-19.068951,"freq_skew":3.969981,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":53,"dst_ref":180,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[224,63,164,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105240,"usec":287678},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814663,"noise_level":-19.053360,"freq_skew":7.402157,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":87,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":11,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,79,65,69,0,171,42,225],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105243,"usec":347765},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951608,"noise_level":-18.848074,"freq_skew":4.326175,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":10.300000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105244,"usec":126574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.731283,"noise_level":-19.673225,"freq_skew":3.641638,"avlc":{"src":{"addr":"46B831","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105245,"usec":625163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.700577,"noise_level":-20.334877,"freq_skew":3.197226,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105245,"usec":645586},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022582,"noise_level":-20.304174,"freq_skew":2.360179,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":7.800000},"alt":8000}},{"name":"alternate_ground_stations","value":["10943A","10902A","10934A","1092FA","10930A","10956A","10910A","1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105246,"usec":391421},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.273766,"noise_level":-21.216486,"freq_skew":4.657979,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105247,"usec":916654},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023951,"noise_level":-20.670282,"freq_skew":7.149410,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":87,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":11,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,79,65,69,0,171,42,225],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105248,"usec":661514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.778079,"noise_level":-20.933113,"freq_skew":2.237822,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105248,"usec":664699},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146609,"noise_level":-20.904150,"freq_skew":2.949459,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":7,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105249,"usec":430081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064936,"noise_level":-20.610367,"freq_skew":7.192551,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105250,"usec":998828},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061135,"noise_level":-20.112408,"freq_skew":4.956299,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR08VM","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105252,"usec":503644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.680747,"noise_level":-19.796881,"freq_skew":4.776213,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105253,"usec":258725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349344,"noise_level":-19.603880,"freq_skew":2.215197,"avlc":{"src":{"addr":"3C64AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105254,"usec":15201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.374651,"noise_level":-19.753532,"freq_skew":7.137545,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105254,"usec":792475},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.987617,"noise_level":-19.569529,"freq_skew":7.409584,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":88,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":12,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105255,"usec":541354},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898740,"noise_level":-19.438269,"freq_skew":5.009322,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2974,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":2,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105256,"usec":295966},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821450,"noise_level":-19.878681,"freq_skew":4.677471,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR08VM","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105256,"usec":310639},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001936,"noise_level":-19.759583,"freq_skew":5.121234,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR08VM","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105258,"usec":625548},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730270,"noise_level":-20.563440,"freq_skew":4.952282,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2975,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105259,"usec":380824},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585645,"noise_level":-20.325752,"freq_skew":2.345142,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105260,"usec":142601},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686625,"noise_level":-21.139004,"freq_skew":2.059432,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".C-GHPU","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"AC0842","msg_num":"D42","msg_num_seq":"B","sublabel":"DF","msg_text":"054 631\r\n956361 89621047 7645 49766060\r\n956866 89621046 7537 50026060\r\n 55 46 37037 19841 37478 6 6810 35388 35552\r\n 47 44 11508 0 11542\r\n 214CLS)42885833450027003580702700 000 000 000\r\n 586 608 785"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105260,"usec":896589},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805384,"noise_level":-20.991711,"freq_skew":4.983171,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2975,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105260,"usec":910305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596835,"noise_level":-20.837307,"freq_skew":2.310340,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105261,"usec":650671},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.155417,"noise_level":-21.840801,"freq_skew":4.932444,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N663CA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"N80880","msg_num":"C74","msg_num_seq":"A","sublabel":"CF","msg_text":"/BLVBOCR.\r\n\n\n\n A RPT12 PG1 R-ECS AIR COND SYS REAL\r\n B N663CA 15JUL26 0847 NCR880 OEJN/EDFH 685-2270-012 GE-508 AL\r\n\r\n\r\n 1 12 7 22 22 20 13 9\r\n 2 *** *** 22 22 20 10 4\r\n 3 *** **"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105262,"usec":409297},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229553,"noise_level":-22.583372,"freq_skew":4.870097,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105263,"usec":960484},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110115,"noise_level":-22.028442,"freq_skew":4.939990,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105264,"usec":731309},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.376956,"noise_level":-22.410381,"freq_skew":2.103077,"avlc":{"src":{"addr":"4D2410","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":158,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105264,"usec":739543},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.326544,"noise_level":-22.319147,"freq_skew":4.895922,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105265,"usec":482116},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729772,"noise_level":-22.206440,"freq_skew":2.149179,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105266,"usec":246888},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935859,"noise_level":-22.009562,"freq_skew":4.274354,"avlc":{"src":{"addr":"4850B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..P4GVI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"ZD4GVI","msg_num":"M22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105267,"usec":755687},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890496,"noise_level":-21.624144,"freq_skew":2.261300,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":142,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":4,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105268,"usec":515296},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785471,"noise_level":-21.325645,"freq_skew":2.067375,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":143,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":8,"ack":4,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,67,65,0,192,88,191]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,67,65,0,192,88,191]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105268,"usec":516458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820537,"noise_level":-21.452978,"freq_skew":4.341057,"avlc":{"src":{"addr":"4850B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105269,"usec":293560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929670,"noise_level":-22.116730,"freq_skew":4.805330,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105270,"usec":836525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724283,"noise_level":-21.737236,"freq_skew":1.804220,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105271,"usec":605974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882923,"noise_level":-21.373632,"freq_skew":2.074003,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105273,"usec":871202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120742,"noise_level":-20.726822,"freq_skew":4.751172,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105273,"usec":889850},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151249,"noise_level":-20.549212,"freq_skew":2.086725,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":911,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42200,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[163,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105275,"usec":389872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016735,"noise_level":-20.231247,"freq_skew":4.858263,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105279,"usec":232424},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639179,"noise_level":-20.519283,"freq_skew":5.995746,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LTAI"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":7.400000},"alt":31000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105280,"usec":749718},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.484764,"noise_level":-20.473766,"freq_skew":2.025344,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":914,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42200,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[156,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":47,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105283,"usec":820381},"freq":136975000,"burst_len_octets":224,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726546,"noise_level":-19.634995,"freq_skew":2.072219,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GHPU","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AC0842","msg_num":"D43","msg_num_seq":"C","sublabel":"DF","msg_text":"7.00,,,,,,104.7,104.6,,,\r\n,,,,764.5,753.7,,,,,,,-50.4,,, -2.8,,, -0.2,,, 2.3,\r\n,, 4.8, 6.3,, -9.8, -9.4,,, 0.6,, 7.7, 7.5,,, 0.0, 0.0,,,\r\n 0.00,,, 0.00,,, 0.00,,,,, -0.1\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105285,"usec":358549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632250,"noise_level":-20.519712,"freq_skew":2.031966,"avlc":{"src":{"addr":"C058BF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105286,"usec":94729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151844,"noise_level":-21.151312,"freq_skew":2.058095,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105287,"usec":603390},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879676,"noise_level":-21.066097,"freq_skew":6.297099,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".80057S","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"MC0000","msg_num":"M38","msg_num_seq":"A","msg_text":"0LS0848042","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":8,"min":48,"sec":4}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105288,"usec":377934},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616371,"noise_level":-20.691309,"freq_skew":2.010471,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105288,"usec":382889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.080559,"noise_level":-20.644407,"freq_skew":4.789982,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105289,"usec":134028},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463009,"noise_level":-20.440998,"freq_skew":2.106239,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":916,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42200,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[144,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105289,"usec":893358},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655394,"noise_level":-20.714281,"freq_skew":5.771346,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746645","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,165,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105290,"usec":681788},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060973,"noise_level":-20.564688,"freq_skew":5.892117,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SME","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"XQ038V","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105290,"usec":685143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.662384,"noise_level":-21.120869,"freq_skew":4.713157,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105290,"usec":705238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902670,"noise_level":-20.935101,"freq_skew":6.256804,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105291,"usec":437671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261831,"noise_level":-20.914722,"freq_skew":5.918150,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105291,"usec":445361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685265,"noise_level":-20.714386,"freq_skew":1.940714,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105292,"usec":209869},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753112,"noise_level":-21.241629,"freq_skew":-0.015755,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"XQ08UH","msg_num":"M42","msg_num_seq":"A","msg_text":"084810,+20458,0909,7160,N 50.9194,E 9.1100,SXS8UH ,5,7,4,925760,/,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105292,"usec":219348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.158726,"noise_level":-21.161831,"freq_skew":2.569273,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105292,"usec":973488},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492143,"noise_level":-21.319450,"freq_skew":5.870306,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,88,83,0,75,205,165,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105295,"usec":238276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893638,"noise_level":-21.534403,"freq_skew":5.976985,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105295,"usec":991899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824286,"noise_level":-21.233595,"freq_skew":5.998289,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105296,"usec":807551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506732,"noise_level":-21.074869,"freq_skew":5.832654,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2696,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105297,"usec":561529},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702755,"noise_level":-20.954224,"freq_skew":3.493709,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":15175,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[140,87]},{"name":"atn_checksum","value":[249,211,115,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105297,"usec":564998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.351919,"noise_level":-20.925188,"freq_skew":5.017042,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105298,"usec":315087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829220,"noise_level":-20.668146,"freq_skew":5.956738,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105299,"usec":92872},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759846,"noise_level":-20.363977,"freq_skew":4.868364,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105299,"usec":95932},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732427,"noise_level":-20.318806,"freq_skew":4.039186,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5582,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42086,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[188,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105301,"usec":369077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.546988,"noise_level":-19.701504,"freq_skew":3.836304,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105302,"usec":118219},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.779997,"noise_level":-19.568251,"freq_skew":5.284804,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":4,"rseq":8,"variable_part_params":[{"name":"checksum","value":[216,254]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105302,"usec":132527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682892,"noise_level":-20.866409,"freq_skew":-0.088415,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105302,"usec":866886},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953090,"noise_level":-20.733074,"freq_skew":1.916287,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105302,"usec":870005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797738,"noise_level":-20.667170,"freq_skew":5.826437,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105303,"usec":644715},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988738,"noise_level":-21.662231,"freq_skew":0.807694,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47640,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[36,220,207,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105303,"usec":644715},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.988738,"noise_level":-21.662231,"freq_skew":0.807694,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":35073,"dst_ref":47640,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[196,214,143,7]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105304,"usec":389566},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.339293,"noise_level":-21.495552,"freq_skew":5.937133,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47621,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[58,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105305,"usec":185197},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329943,"noise_level":-21.161560,"freq_skew":5.816780,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47621,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[72,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":48,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105305,"usec":947170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.966836,"noise_level":-21.082489,"freq_skew":0.754678,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105305,"usec":959555},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613142,"noise_level":-21.518227,"freq_skew":5.948906,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105305,"usec":964246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104958,"noise_level":-21.435856,"freq_skew":4.877323,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105306,"usec":710015},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765630,"noise_level":-21.344118,"freq_skew":2.020474,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"AA0285","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105306,"usec":710015},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.765630,"noise_level":-21.344118,"freq_skew":2.020474,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":920,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42200,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[140,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105307,"usec":457530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.453133,"noise_level":-22.259892,"freq_skew":5.857720,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105307,"usec":458070},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177488,"noise_level":-22.248631,"freq_skew":5.889177,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2698,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42205,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[235,194]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105308,"usec":220132},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.369898,"noise_level":-22.070429,"freq_skew":2.741796,"avlc":{"src":{"addr":"4C31E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":7,"calling_addr":"23030742","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,83,82,66,0,76,49,226,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105308,"usec":229847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.289162,"noise_level":-22.010506,"freq_skew":4.824820,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105308,"usec":242317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149062,"noise_level":-21.869331,"freq_skew":4.015365,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105308,"usec":978043},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541536,"noise_level":-21.847813,"freq_skew":5.930094,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SME","mode":"2","label":"52","blk_id":"7","ack":"!","flight":"XQ07BP","msg_num":"M48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105308,"usec":989353},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841204,"noise_level":-22.619589,"freq_skew":5.450700,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59784,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[109,59,69,143]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59784,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[9,11,191,50]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":48,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105309,"usec":736687},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026464,"noise_level":-22.445198,"freq_skew":5.694717,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105310,"usec":495905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021562,"noise_level":-22.139854,"freq_skew":5.773996,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105310,"usec":513957},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249403,"noise_level":-21.986496,"freq_skew":4.113540,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":42086,"variable_part_params":[{"name":"checksum","value":[70,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105312,"usec":55101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738584,"noise_level":-21.768211,"freq_skew":4.845961,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105312,"usec":814321},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871481,"noise_level":-21.966269,"freq_skew":5.767974,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":28,"dst_ref":42205,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[3,141]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105312,"usec":825133},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087696,"noise_level":-23.233704,"freq_skew":3.734835,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":88,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105312,"usec":830951},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625062,"noise_level":-23.170914,"freq_skew":5.959751,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SME","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"XQ038V","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105313,"usec":581091},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698312,"noise_level":-23.666231,"freq_skew":6.003683,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":29,"dst_ref":42206,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[49,228]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105313,"usec":586460},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974541,"noise_level":-24.290724,"freq_skew":5.495509,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42149,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,145,211,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":48,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105313,"usec":592797},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037003,"noise_level":-24.538734,"freq_skew":2.061619,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[179,105]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105313,"usec":593795},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101441,"noise_level":-24.989895,"freq_skew":1.866833,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N885BP","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"AA0285","msg_num":"E34","msg_num_seq":"B","sublabel":"EI","msg_text":"0 ;;;;;;;;;;;\r\n11 ;;;\r\n12 ;15;JUL;26;08:48:28\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105314,"usec":323642},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768101,"noise_level":-24.821819,"freq_skew":1.970483,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH03UW","msg_num":"M67","msg_num_seq":"A","msg_text":"00054209206MJUJQB)UU8SU4RUP4PSUGBDRRG8UGDJJPR,,,UPJBD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105314,"usec":325257},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519436,"noise_level":-25.050777,"freq_skew":6.331728,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42206,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[163,93]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":48,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105314,"usec":325834},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032033,"noise_level":-25.019760,"freq_skew":5.794445,"avlc":{"src":{"addr":"48AD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47621,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[11,8]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":48,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105314,"usec":325975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322915,"noise_level":-25.019760,"freq_skew":5.324351,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":101040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656958,"noise_level":-24.730484,"freq_skew":3.246758,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":107718},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087882,"noise_level":-24.641098,"freq_skew":3.054285,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":109713},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260355,"noise_level":-24.596750,"freq_skew":2.078196,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":860929},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530842,"noise_level":-24.306736,"freq_skew":5.883278,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":865927},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.597510,"noise_level":-25.104679,"freq_skew":3.235957,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LZG","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"AY1802","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105315,"usec":868379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735846,"noise_level":-25.073469,"freq_skew":3.252065,"avlc":{"src":{"addr":"AD8C82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105316,"usec":598883},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333714,"noise_level":-24.980505,"freq_skew":5.017220,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105317,"usec":369254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.271559,"noise_level":-24.889582,"freq_skew":3.379735,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105317,"usec":376302},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527957,"noise_level":-24.783474,"freq_skew":5.915959,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42206,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[133,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105317,"usec":376964},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930881,"noise_level":-24.783474,"freq_skew":4.889322,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105317,"usec":378718},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.582219,"noise_level":-24.753395,"freq_skew":7.290723,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105318,"usec":165621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643828,"noise_level":-24.663774,"freq_skew":3.129058,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105318,"usec":181444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386153,"noise_level":-24.472715,"freq_skew":2.690579,"avlc":{"src":{"addr":"4C31E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105318,"usec":915816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.557608,"noise_level":-24.328554,"freq_skew":4.788774,"avlc":{"src":{"addr":"A8BF91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105318,"usec":919516},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009559,"noise_level":-24.200823,"freq_skew":4.806587,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2982,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105319,"usec":702473},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649802,"noise_level":-24.064722,"freq_skew":6.505250,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":465,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105324,"usec":278270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.683546,"noise_level":-22.630854,"freq_skew":6.407656,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105325,"usec":34619},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829905,"noise_level":-22.375938,"freq_skew":2.232674,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[180,34]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105325,"usec":57947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.449689,"noise_level":-22.183956,"freq_skew":1.935669,"avlc":{"src":{"addr":"4D2410","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105326,"usec":549586},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274830,"noise_level":-21.876719,"freq_skew":2.593904,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105328,"usec":61365},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.623009,"noise_level":-21.293045,"freq_skew":6.782663,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".80057S","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"MC0000","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105328,"usec":835707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741915,"noise_level":-21.925154,"freq_skew":6.402054,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105331,"usec":914937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549784,"noise_level":-20.855476,"freq_skew":3.517739,"avlc":{"src":{"addr":"AD8C82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105333,"usec":425267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542164,"noise_level":-20.593493,"freq_skew":5.517622,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105333,"usec":436366},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355110,"noise_level":-20.491789,"freq_skew":3.939653,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105333,"usec":439121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.196677,"noise_level":-20.464256,"freq_skew":3.242610,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105334,"usec":186725},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047217,"noise_level":-20.364044,"freq_skew":5.229632,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42149,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[127,147,239,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105334,"usec":189562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884834,"noise_level":-20.730110,"freq_skew":3.261952,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105334,"usec":192341},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296516,"noise_level":-20.701813,"freq_skew":5.051220,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105335,"usec":718490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.271339,"noise_level":-20.189850,"freq_skew":3.898278,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105336,"usec":466182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.637982,"noise_level":-20.083961,"freq_skew":3.199661,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105338,"usec":775930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677786,"noise_level":-19.498955,"freq_skew":3.734125,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105339,"usec":535266},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.903143,"noise_level":-19.145483,"freq_skew":2.761802,"avlc":{"src":{"addr":"4C31E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":4,"chan_num":7,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105341,"usec":803575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.306177,"noise_level":-18.678083,"freq_skew":4.031637,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105346,"usec":399088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.135727,"noise_level":-17.572838,"freq_skew":3.924140,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105347,"usec":185572},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855656,"noise_level":-17.307621,"freq_skew":2.208646,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":167,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105348,"usec":674761},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482923,"noise_level":-17.099884,"freq_skew":3.235029,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45745,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[121,3,10,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105348,"usec":674761},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.482923,"noise_level":-17.099884,"freq_skew":3.235029,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":67,"dst_ref":45745,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[133,39,17,251]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105349,"usec":458231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.294785,"noise_level":-16.982645,"freq_skew":3.132208,"avlc":{"src":{"addr":"461F9C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105351,"usec":765468},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.331426,"noise_level":-17.652496,"freq_skew":4.798152,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2984,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59779,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[106,80]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105355,"usec":556656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958983,"noise_level":-18.006245,"freq_skew":7.179612,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105360,"usec":140239},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.222811,"noise_level":-17.924339,"freq_skew":5.925677,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105361,"usec":675222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388670,"noise_level":-18.418520,"freq_skew":2.096026,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105363,"usec":188436},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680030,"noise_level":-18.687994,"freq_skew":2.233690,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"OJAI"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":6.600000},"alt":39000}},{"name":"alternate_ground_stations","value":["219DD8","214AB7","2335F7","240557","20B677","280497","219DD7","2148B7"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105363,"usec":191532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180354,"noise_level":-18.673071,"freq_skew":1.982643,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105363,"usec":954997},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.271585,"noise_level":-18.459509,"freq_skew":1.941878,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":922,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42200,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[148,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":49,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105364,"usec":695992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.308740,"noise_level":-19.007381,"freq_skew":3.060513,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105364,"usec":698907},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841742,"noise_level":-19.144348,"freq_skew":0.745426,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105364,"usec":699656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572315,"noise_level":-19.144348,"freq_skew":3.986697,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105364,"usec":702331},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085349,"noise_level":-19.120768,"freq_skew":3.657444,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDV"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105365,"usec":489914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005853,"noise_level":-19.081608,"freq_skew":2.035404,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105365,"usec":500845},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386379,"noise_level":-19.011559,"freq_skew":2.082350,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105368,"usec":545318},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955575,"noise_level":-18.925695,"freq_skew":1.945259,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":923,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42200,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[3,110]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":49,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105370,"usec":60957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186048,"noise_level":-19.951595,"freq_skew":1.903125,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105370,"usec":815512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852511,"noise_level":-20.746010,"freq_skew":3.231357,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105373,"usec":884155},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355575,"noise_level":-20.081169,"freq_skew":2.008483,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":924,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42200,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[132,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105374,"usec":653974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.807916,"noise_level":-20.750202,"freq_skew":3.661404,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105374,"usec":656611},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678755,"noise_level":-20.712406,"freq_skew":3.546061,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDV"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105375,"usec":402406},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229519,"noise_level":-21.073467,"freq_skew":2.188102,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":228,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105375,"usec":414791},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822283,"noise_level":-21.413671,"freq_skew":3.387771,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LAK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"VF020M","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105375,"usec":419211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702345,"noise_level":-21.372881,"freq_skew":3.241337,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105376,"usec":169409},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.652789,"noise_level":-21.191664,"freq_skew":2.022916,"avlc":{"src":{"addr":"4D2410","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXS","mode":"2","label":"_d","blk_id":"3","ack":"L","flight":"LH01JA","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105376,"usec":180513},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144600,"noise_level":-21.082754,"freq_skew":4.722350,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2985,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":71,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[60,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105377,"usec":672376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686017,"noise_level":-21.982857,"freq_skew":2.218315,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105380,"usec":10904},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154696,"noise_level":-21.065125,"freq_skew":4.346604,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105380,"usec":775244},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.808311,"noise_level":-20.775433,"freq_skew":4.197618,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105381,"usec":525693},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.978657,"noise_level":-20.624792,"freq_skew":4.774979,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2985,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":71,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[60,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105386,"usec":882187},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794613,"noise_level":-19.077261,"freq_skew":2.874810,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105388,"usec":386153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317307,"noise_level":-18.732710,"freq_skew":1.962750,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105391,"usec":462217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311048,"noise_level":-18.366667,"freq_skew":3.115741,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105393,"usec":740345},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548834,"noise_level":-18.078514,"freq_skew":3.518667,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105393,"usec":750886},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547406,"noise_level":-18.016079,"freq_skew":5.133378,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":4,"rseq":8,"variable_part_params":[{"name":"checksum","value":[216,254]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105398,"usec":301975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.914761,"noise_level":-18.135653,"freq_skew":1.386687,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105398,"usec":304740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128446,"noise_level":-18.114655,"freq_skew":3.695699,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105400,"usec":613643},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635773,"noise_level":-17.862999,"freq_skew":0.974635,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42218,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,18,124,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105402,"usec":123361},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050196,"noise_level":-17.635101,"freq_skew":5.892699,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105402,"usec":131567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.536160,"noise_level":-17.588915,"freq_skew":0.680305,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105402,"usec":891885},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074224,"noise_level":-18.056774,"freq_skew":5.886486,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746766","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105404,"usec":399109},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731590,"noise_level":-18.663317,"freq_skew":5.878558,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105405,"usec":166261},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850305,"noise_level":-18.917021,"freq_skew":5.934231,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105405,"usec":168583},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780104,"noise_level":-19.187147,"freq_skew":3.250881,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":230,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":17,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105406,"usec":710362},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032510,"noise_level":-19.575649,"freq_skew":5.525277,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105406,"usec":723413},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955879,"noise_level":-19.468773,"freq_skew":5.999876,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105407,"usec":475032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.280180,"noise_level":-20.278454,"freq_skew":6.000724,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105408,"usec":245406},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282064,"noise_level":-20.405727,"freq_skew":6.595620,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105408,"usec":995563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001493,"noise_level":-20.666283,"freq_skew":5.922498,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105409,"usec":774277},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.448365,"noise_level":-20.272085,"freq_skew":0.884805,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42219,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[196,68,124,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105409,"usec":774277},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.448365,"noise_level":-20.272085,"freq_skew":0.884805,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":35075,"dst_ref":42219,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[56,188,33,126]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105413,"usec":599011},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.117853,"noise_level":-19.570349,"freq_skew":5.016818,"avlc":{"src":{"addr":"4CADC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2987,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59779,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[106,80]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105413,"usec":600593},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590507,"noise_level":-19.553831,"freq_skew":6.129292,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105414,"usec":358377},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191589,"noise_level":-19.374178,"freq_skew":5.958426,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105414,"usec":362106},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578386,"noise_level":-19.598433,"freq_skew":2.050766,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[179,105]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105415,"usec":110638},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016856,"noise_level":-20.470459,"freq_skew":4.227819,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105415,"usec":871815},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019073,"noise_level":-20.704958,"freq_skew":5.893723,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,68,87,0,75,21,238,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105417,"usec":387313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862548,"noise_level":-21.351154,"freq_skew":3.480694,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105417,"usec":392279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197753,"noise_level":-21.990280,"freq_skew":1.919132,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105417,"usec":395064},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619670,"noise_level":-23.248936,"freq_skew":1.944723,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[180,34]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105418,"usec":137038},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844736,"noise_level":-23.479790,"freq_skew":6.114704,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105421,"usec":980900},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920573,"noise_level":-22.037540,"freq_skew":4.863600,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":441,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105425,"usec":804729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.009215,"noise_level":-20.801010,"freq_skew":1.065453,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105425,"usec":816050},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.993320,"noise_level":-20.678059,"freq_skew":4.772597,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45693,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[3,234]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105427,"usec":347907},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.537372,"noise_level":-20.167454,"freq_skew":4.190632,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23123244","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,164,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105428,"usec":850385},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.554671,"noise_level":-20.322414,"freq_skew":2.934123,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105429,"usec":607040},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.821486,"noise_level":-20.703192,"freq_skew":2.749854,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-207V","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"HU7974","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105429,"usec":608668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734939,"noise_level":-20.693779,"freq_skew":0.111479,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105429,"usec":611190},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.377727,"noise_level":-21.074459,"freq_skew":2.646266,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36012617","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,72,72,0,120,21,143,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105430,"usec":369650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.607838,"noise_level":-20.899343,"freq_skew":5.889573,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105431,"usec":120638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.007740,"noise_level":-20.756031,"freq_skew":0.861300,"avlc":{"src":{"addr":"491D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105431,"usec":128739},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199743,"noise_level":-20.680552,"freq_skew":2.504764,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105432,"usec":671757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149661,"noise_level":-20.258835,"freq_skew":4.288811,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105436,"usec":473713},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788350,"noise_level":-19.953667,"freq_skew":2.967208,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":61,"dst_ref":47545,"variable_part_params":[{"name":"atn_checksum","value":[243,215,55,56]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105436,"usec":486204},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.372104,"noise_level":-19.842070,"freq_skew":2.518520,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105437,"usec":227789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601793,"noise_level":-19.765640,"freq_skew":5.939371,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105437,"usec":238932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341721,"noise_level":-19.631407,"freq_skew":2.544311,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105438,"usec":741250},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.821472,"noise_level":-19.791027,"freq_skew":3.767170,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105438,"usec":746644},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.734305,"noise_level":-19.748732,"freq_skew":3.914507,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":60,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105439,"usec":546419},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021486,"noise_level":-20.238964,"freq_skew":5.053226,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45693,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[53,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":50,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105440,"usec":316459},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.538440,"noise_level":-20.079723,"freq_skew":4.243431,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105440,"usec":324324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756961,"noise_level":-20.009876,"freq_skew":3.344642,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105441,"usec":67357},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895470,"noise_level":-19.923347,"freq_skew":5.981900,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105441,"usec":817015},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.645092,"noise_level":-19.823587,"freq_skew":3.976127,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105441,"usec":817127},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134117,"noise_level":-19.815081,"freq_skew":3.304061,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15175,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[254,172]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105442,"usec":582010},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861844,"noise_level":-19.755762,"freq_skew":5.966580,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105442,"usec":596727},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887094,"noise_level":-19.613369,"freq_skew":5.923688,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105442,"usec":596727},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.887094,"noise_level":-19.613369,"freq_skew":5.923688,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52145,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[108,131,10,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105443,"usec":355908},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700973,"noise_level":-19.416233,"freq_skew":0.885074,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063256","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,102,174,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105444,"usec":86770},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035640,"noise_level":-19.367640,"freq_skew":2.046118,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105444,"usec":858882},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805061,"noise_level":-19.521721,"freq_skew":2.114611,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026417","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,15,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105444,"usec":859529},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559969,"noise_level":-19.521721,"freq_skew":1.606944,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105444,"usec":870800},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657821,"noise_level":-19.890940,"freq_skew":1.519586,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUZ","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"LH04WJ","msg_num":"S22","msg_num_seq":"A","msg_text":"0EV085042V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":50,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105447,"usec":170318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650177,"noise_level":-20.841951,"freq_skew":0.927193,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105447,"usec":177077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805060,"noise_level":-21.285822,"freq_skew":2.020042,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105447,"usec":190567},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.567873,"noise_level":-21.740677,"freq_skew":4.901795,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45693,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[5,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105447,"usec":940264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260420,"noise_level":-21.593346,"freq_skew":1.934222,"avlc":{"src":{"addr":"AC308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105448,"usec":682051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909820,"noise_level":-21.427973,"freq_skew":5.793235,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105453,"usec":276365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.315054,"noise_level":-21.586353,"freq_skew":4.281270,"avlc":{"src":{"addr":"4B1A1F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105455,"usec":553821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053577,"noise_level":-20.751923,"freq_skew":7.267902,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105455,"usec":554291},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036123,"noise_level":-20.742455,"freq_skew":3.504911,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105455,"usec":554569},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895051,"noise_level":-20.742455,"freq_skew":5.781631,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105457,"usec":826215},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661193,"noise_level":-20.765226,"freq_skew":1.027243,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EETN"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.500000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105463,"usec":955288},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082896,"noise_level":-20.031347,"freq_skew":2.150849,"avlc":{"src":{"addr":"4D2410","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47648,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[225,201,217,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105463,"usec":967779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.286516,"noise_level":-19.918755,"freq_skew":4.077437,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105464,"usec":701285},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857398,"noise_level":-19.799110,"freq_skew":2.751209,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":6.100000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105465,"usec":491304},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845445,"noise_level":-19.475586,"freq_skew":0.748877,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EETN"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.500000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105466,"usec":279695},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.606537,"noise_level":-20.468510,"freq_skew":0.973501,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH0880","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105466,"usec":279695},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-4.606537,"noise_level":-20.468510,"freq_skew":0.973501,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062210","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,136,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105467,"usec":39443},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786025,"noise_level":-20.917835,"freq_skew":5.297540,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[142,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105467,"usec":40346},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596773,"noise_level":-21.127331,"freq_skew":0.691865,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH0880","msg_num":"S53","msg_num_seq":"A","msg_text":"0EV085105V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":51,"sec":5}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105467,"usec":796324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.185471,"noise_level":-21.029520,"freq_skew":4.404522,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105467,"usec":800156},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.546240,"noise_level":-21.000233,"freq_skew":3.110577,"avlc":{"src":{"addr":"49328B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":17,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105468,"usec":546082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997735,"noise_level":-21.073732,"freq_skew":5.447233,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105468,"usec":560641},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866825,"noise_level":-20.937206,"freq_skew":4.188040,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105468,"usec":561745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794436,"noise_level":-20.927536,"freq_skew":1.003737,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105470,"usec":832165},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545613,"noise_level":-21.354952,"freq_skew":1.511959,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":60,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105471,"usec":585286},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023266,"noise_level":-22.658039,"freq_skew":4.919467,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45693,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[146,139]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105471,"usec":600721},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.486773,"noise_level":-22.959946,"freq_skew":4.092118,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":7.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105472,"usec":391367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.372558,"noise_level":-22.790627,"freq_skew":4.277022,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGZ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR55RV","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105473,"usec":150449},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.381756,"noise_level":-22.473118,"freq_skew":4.234149,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59789,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[52,112]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105473,"usec":155247},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231223,"noise_level":-22.427052,"freq_skew":5.780002,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746766","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105473,"usec":906227},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159906,"noise_level":-22.245190,"freq_skew":6.058446,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"XQ1322","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105473,"usec":917002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242391,"noise_level":-22.374620,"freq_skew":4.800788,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105474,"usec":657338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-15.663542,"noise_level":-22.283762,"freq_skew":4.167616,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105474,"usec":661419},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203651,"noise_level":-22.986486,"freq_skew":7.210078,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105474,"usec":662137},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857095,"noise_level":-23.736027,"freq_skew":2.799446,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH086P","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105474,"usec":662137},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.857095,"noise_level":-23.736027,"freq_skew":2.799446,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053364","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,244,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105474,"usec":663912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101545,"noise_level":-23.722683,"freq_skew":6.052762,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":409889},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827179,"noise_level":-23.605177,"freq_skew":5.007504,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":5.900000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":413678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172482,"noise_level":-23.565804,"freq_skew":4.179282,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":422967},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956418,"noise_level":-23.448738,"freq_skew":5.089973,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LX052Y","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":422967},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.956418,"noise_level":-23.448738,"freq_skew":5.089973,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614520","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,25,80,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":423752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650149,"noise_level":-23.969109,"freq_skew":7.399647,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105475,"usec":429155},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797471,"noise_level":-23.873613,"freq_skew":2.714285,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":181421},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.398899,"noise_level":-24.258669,"freq_skew":2.394884,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":187353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496092,"noise_level":-24.117989,"freq_skew":2.865550,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":188271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244496,"noise_level":-24.090122,"freq_skew":4.833980,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":941590},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843544,"noise_level":-23.897533,"freq_skew":0.886483,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUN","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"LH003A","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":948267},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106099,"noise_level":-24.559006,"freq_skew":4.729850,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45693,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[149,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":952214},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300101,"noise_level":-24.485909,"freq_skew":6.089085,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105476,"usec":952214},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.300101,"noise_level":-24.485909,"freq_skew":6.089085,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105477,"usec":696352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346551,"noise_level":-24.370213,"freq_skew":4.859465,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105477,"usec":699005},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015224,"noise_level":-24.327223,"freq_skew":5.171886,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105478,"usec":446967},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042600,"noise_level":-24.073650,"freq_skew":0.912320,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUN","mode":"2","label":"_d","blk_id":"1","ack":"L","flight":"LH003A","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105478,"usec":460795},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742956,"noise_level":-24.800735,"freq_skew":7.214180,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105478,"usec":465876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.188341,"noise_level":-24.710627,"freq_skew":1.545085,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105479,"usec":253836},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698821,"noise_level":-25.108240,"freq_skew":2.140112,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[230,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105480,"usec":10149},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.595268,"noise_level":-24.740765,"freq_skew":4.044108,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59789,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[52,112]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105480,"usec":23447},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734295,"noise_level":-24.548025,"freq_skew":2.061476,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105481,"usec":545025},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859571,"noise_level":-24.402729,"freq_skew":5.087924,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPG","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"LX052Y","msg_num":"M50","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105482,"usec":293095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099521,"noise_level":-24.175024,"freq_skew":4.699444,"avlc":{"src":{"addr":"407666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105482,"usec":301318},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100872,"noise_level":-24.063370,"freq_skew":5.632217,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105483,"usec":51108},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.651836,"noise_level":-23.884943,"freq_skew":2.193088,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[230,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105485,"usec":319192},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849814,"noise_level":-22.970280,"freq_skew":2.040991,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105486,"usec":85195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.300654,"noise_level":-22.622734,"freq_skew":4.555820,"avlc":{"src":{"addr":"407666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105486,"usec":887663},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.021790,"noise_level":-22.311195,"freq_skew":4.100088,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":88,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,100]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105490,"usec":684097},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.838500,"noise_level":-21.793652,"freq_skew":4.201304,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5592,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105492,"usec":238486},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793777,"noise_level":-21.340729,"freq_skew":1.923710,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105492,"usec":238486},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.793777,"noise_level":-21.340729,"freq_skew":1.923710,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[12,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105493,"usec":763751},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680305,"noise_level":-20.838600,"freq_skew":5.271234,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105495,"usec":269921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583691,"noise_level":-20.427555,"freq_skew":5.162940,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105497,"usec":538008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825511,"noise_level":-19.811247,"freq_skew":2.121607,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105500,"usec":620199},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570378,"noise_level":-22.172031,"freq_skew":4.238071,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR08YX","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105502,"usec":145151},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439590,"noise_level":-21.652498,"freq_skew":2.180127,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105502,"usec":898641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816174,"noise_level":-21.414156,"freq_skew":3.258276,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105504,"usec":413287},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452179,"noise_level":-21.123266,"freq_skew":4.306241,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105505,"usec":174276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478399,"noise_level":-21.762686,"freq_skew":2.247189,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105506,"usec":733576},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248594,"noise_level":-22.753868,"freq_skew":2.248185,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105506,"usec":739086},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555497,"noise_level":-22.718163,"freq_skew":2.435454,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"BT0244","msg_num":"832","msg_num_seq":"E","sublabel":"T8","msg_text":"91.89,884.5,877.3,26.642,184,0.22046,: "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105507,"usec":500978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837529,"noise_level":-22.391798,"freq_skew":3.236483,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105509,"usec":3473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874946,"noise_level":-21.935001,"freq_skew":2.329995,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105509,"usec":15716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801006,"noise_level":-21.805723,"freq_skew":7.234903,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105509,"usec":28248},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743539,"noise_level":-21.667812,"freq_skew":1.871138,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":3,"cause_descr":"Terrestrial network not available","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105511,"usec":286802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412500,"noise_level":-21.732466,"freq_skew":2.925849,"avlc":{"src":{"addr":"4BB074","type":"Aircraft","status":"On ground"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105512,"usec":807853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.369691,"noise_level":-21.275606,"freq_skew":3.155788,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105514,"usec":358952},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999496,"noise_level":-20.834305,"freq_skew":5.051107,"avlc":{"src":{"addr":"48AC82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22126202","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,76,79,84,0,72,172,130,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105515,"usec":119678},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025723,"noise_level":-20.570620,"freq_skew":5.886528,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105515,"usec":887364},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149904,"noise_level":-20.260832,"freq_skew":5.050941,"avlc":{"src":{"addr":"48AC82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105518,"usec":927192},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734094,"noise_level":-19.765594,"freq_skew":7.343404,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":6,"dst_ref":47512,"variable_part_params":[{"name":"checksum","value":[153,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105519,"usec":713528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865737,"noise_level":-19.648027,"freq_skew":1.945901,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-BAF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"RJ0264","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105519,"usec":723831},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.500184,"noise_level":-19.586288,"freq_skew":4.771296,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32845,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[93,8,69,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105521,"usec":227988},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-7.720915,"noise_level":-20.333879,"freq_skew":4.118194,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6974,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[204,79]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105522,"usec":2572},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743388,"noise_level":-20.383327,"freq_skew":2.168590,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105522,"usec":2572},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.743388,"noise_level":-20.383327,"freq_skew":2.168590,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[12,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105523,"usec":523214},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.105174,"noise_level":-21.901226,"freq_skew":4.967551,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32845,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[93,8,69,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105524,"usec":269988},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906585,"noise_level":-21.740549,"freq_skew":5.648287,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":27,"pkt_type_name":"Reset Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":128,"diag_code_descr":"Version number not supported"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105524,"usec":278936},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709266,"noise_level":-21.645550,"freq_skew":2.106764,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-BAF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"RJ0264","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105525,"usec":35260},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931924,"noise_level":-23.090195,"freq_skew":0.892255,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":120,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105525,"usec":36877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870271,"noise_level":-23.077808,"freq_skew":5.772109,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105525,"usec":782317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.902474,"noise_level":-22.894068,"freq_skew":4.301223,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105526,"usec":589445},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868891,"noise_level":-22.491446,"freq_skew":0.568472,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105526,"usec":597818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188758,"noise_level":-23.343845,"freq_skew":4.004138,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105528,"usec":861234},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.836219,"noise_level":-25.454849,"freq_skew":2.217983,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105528,"usec":877041},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641425,"noise_level":-25.198252,"freq_skew":0.726451,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"_d","blk_id":"5","ack":"N","flight":"LH0880","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105529,"usec":637582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740743,"noise_level":-25.767139,"freq_skew":2.785900,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105531,"usec":903043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653615,"noise_level":-25.907705,"freq_skew":2.170943,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105533,"usec":458882},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526418,"noise_level":-25.199984,"freq_skew":-0.040891,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"XQ08UH","msg_num":"L07","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105537,"usec":242682},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.969434,"noise_level":-25.404015,"freq_skew":2.543149,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45748,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[251,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105538,"usec":20108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612180,"noise_level":-25.077023,"freq_skew":-0.031169,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"_d","blk_id":"2","ack":"W","flight":"XQ08UH","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105541,"usec":89651},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865160,"noise_level":-25.273504,"freq_skew":1.954847,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-BAF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"RJ0264","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105541,"usec":99184},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680795,"noise_level":-25.131214,"freq_skew":0.693581,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"_d","blk_id":"6","ack":"O","flight":"LH0880","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105543,"usec":366352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651113,"noise_level":-25.409561,"freq_skew":-0.132801,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"_d","blk_id":"2","ack":"W","flight":"XQ08UH","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105544,"usec":888008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960091,"noise_level":-25.454193,"freq_skew":2.407425,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105546,"usec":386138},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864286,"noise_level":-25.351543,"freq_skew":0.734840,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"_d","blk_id":"6","ack":"O","flight":"LH0880","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105549,"usec":482762},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845000,"noise_level":-24.108688,"freq_skew":2.207440,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105549,"usec":482762},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.845000,"noise_level":-24.108688,"freq_skew":2.207440,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"BT0244","msg_num":"833","msg_num_seq":"J","sublabel":"T8","msg_text":",1,26.19,26.19,HT,: "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105550,"usec":980812},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800247,"noise_level":-23.730080,"freq_skew":2.654377,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH086P","msg_num":"M89","msg_num_seq":"A","msg_text":"00076234206)NUJPDR3R)KKCRUBD7R7BR6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105551,"usec":758671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786146,"noise_level":-23.300491,"freq_skew":2.327396,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105551,"usec":767654},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817660,"noise_level":-23.161888,"freq_skew":0.185675,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"_d","blk_id":"4","ack":"A","flight":"XQ08UH","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105551,"usec":768145},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677740,"noise_level":-23.161888,"freq_skew":2.716132,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"LH086P","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105555,"usec":579162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805567,"noise_level":-22.549822,"freq_skew":2.832828,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"LH086P","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105555,"usec":584948},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496870,"noise_level":-22.422611,"freq_skew":7.065248,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":91,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":12,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105556,"usec":341124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651169,"noise_level":-22.319901,"freq_skew":0.165467,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105556,"usec":356177},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954700,"noise_level":-23.083378,"freq_skew":5.130870,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105558,"usec":620710},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947943,"noise_level":-22.427456,"freq_skew":2.740542,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":6.100000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105559,"usec":378892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.066501,"noise_level":-22.516920,"freq_skew":4.174254,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105560,"usec":939122},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.724150,"noise_level":-23.287949,"freq_skew":1.894184,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-BAF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"RJ0264","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105560,"usec":944464},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.678042,"noise_level":-23.791409,"freq_skew":4.608721,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105561,"usec":692589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866545,"noise_level":-23.592117,"freq_skew":1.035455,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105562,"usec":443609},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149560,"noise_level":-24.195183,"freq_skew":2.811280,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH086P","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105563,"usec":986066},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951637,"noise_level":-23.261646,"freq_skew":2.204745,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105563,"usec":988316},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070207,"noise_level":-23.236393,"freq_skew":2.219050,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[12,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":51,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105565,"usec":489792},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608419,"noise_level":-22.805962,"freq_skew":2.106200,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47430,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[187,94]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105565,"usec":504690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856076,"noise_level":-22.651367,"freq_skew":3.456259,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105568,"usec":567836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856096,"noise_level":-21.840269,"freq_skew":2.933440,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105569,"usec":312121},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774096,"noise_level":-22.460796,"freq_skew":6.009714,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52145,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[38,55,237,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105569,"usec":320065},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023048,"noise_level":-22.300846,"freq_skew":5.069337,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105569,"usec":324145},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243785,"noise_level":-22.697353,"freq_skew":5.393037,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":9.100000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105570,"usec":96542},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746196,"noise_level":-23.464718,"freq_skew":4.755018,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45693,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[4,224]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105570,"usec":843138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400758,"noise_level":-23.272701,"freq_skew":5.967668,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105573,"usec":117954},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089024,"noise_level":-22.326023,"freq_skew":1.693302,"avlc":{"src":{"addr":"4D2410","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105573,"usec":910778},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339708,"noise_level":-22.124031,"freq_skew":4.580885,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR04WC","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105573,"usec":915494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529325,"noise_level":-22.090816,"freq_skew":4.224197,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105573,"usec":926708},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810841,"noise_level":-21.991932,"freq_skew":5.199685,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105573,"usec":927394},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.854019,"noise_level":-22.138630,"freq_skew":4.733081,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124332","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,218,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105575,"usec":426357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361530,"noise_level":-21.811539,"freq_skew":3.681886,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105575,"usec":443801},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738206,"noise_level":-21.663008,"freq_skew":5.537289,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[220,246]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105576,"usec":956691},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876792,"noise_level":-21.710880,"freq_skew":4.619825,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105577,"usec":713522},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024800,"noise_level":-21.440140,"freq_skew":5.458483,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":9.100000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105578,"usec":465663},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296905,"noise_level":-21.267570,"freq_skew":4.070395,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6975,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105579,"usec":996327},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206085,"noise_level":-20.964365,"freq_skew":4.613655,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4455,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,76,168,218],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105581,"usec":552948},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.143617,"noise_level":-20.538223,"freq_skew":4.816389,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,168,218,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105582,"usec":317269},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788123,"noise_level":-20.772486,"freq_skew":1.892824,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[94,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105583,"usec":70281},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872176,"noise_level":-20.593948,"freq_skew":0.043969,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRF","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"XQ08UH","msg_num":"M43","msg_num_seq":"A","msg_text":"085301,+13185,0908,6920,N 50.9691,E 8.3561,SXS8UH "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105585,"usec":335441},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542554,"noise_level":-20.313339,"freq_skew":0.115550,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105585,"usec":351801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290747,"noise_level":-20.170441,"freq_skew":4.716031,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105586,"usec":96683},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.493450,"noise_level":-20.438011,"freq_skew":5.992030,"avlc":{"src":{"addr":"A75039","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N570UP","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"UP0004","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105586,"usec":852399},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698591,"noise_level":-20.221485,"freq_skew":2.027179,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[94,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105587,"usec":657402},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816762,"noise_level":-21.210051,"freq_skew":0.652174,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDH","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH0880","msg_num":"M35","msg_num_seq":"A","msg_text":"00025209205KDED-UMEEJD22LE2DYEEWY2LLW2WHWD+22LUDE+EYJ+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105588,"usec":433597},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840329,"noise_level":-22.380342,"freq_skew":0.655672,"avlc":{"src":{"addr":"3C6488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105589,"usec":168673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121599,"noise_level":-23.243933,"freq_skew":4.646110,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105591,"usec":456401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969600,"noise_level":-22.266331,"freq_skew":1.986299,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105591,"usec":457278},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790026,"noise_level":-23.147415,"freq_skew":6.123474,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGUN"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105593,"usec":736288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630826,"noise_level":-22.157736,"freq_skew":2.324261,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1108,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105593,"usec":740994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740685,"noise_level":-22.785698,"freq_skew":6.298383,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105594,"usec":537333},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.626933,"noise_level":-22.503059,"freq_skew":4.021962,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":8.200000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105594,"usec":539265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981703,"noise_level":-22.491478,"freq_skew":4.576055,"avlc":{"src":{"addr":"4CA8DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105595,"usec":286032},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.048821,"noise_level":-22.342337,"freq_skew":4.231333,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR55RV","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105595,"usec":303855},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588881,"noise_level":-22.139969,"freq_skew":4.418640,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126745","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,229,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105596,"usec":816154},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941755,"noise_level":-21.664276,"freq_skew":4.205459,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105597,"usec":576689},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094488,"noise_level":-21.394960,"freq_skew":4.245108,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59789,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[52,112]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105599,"usec":856335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886822,"noise_level":-22.448540,"freq_skew":2.005104,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47430,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[51,208]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105601,"usec":399892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953686,"noise_level":-22.043600,"freq_skew":2.109622,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105602,"usec":170291},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392385,"noise_level":-22.215796,"freq_skew":1.810153,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKS","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH0408","msg_num":"M94","msg_num_seq":"A","msg_text":"00155209246J9XV99E00T5T6BT:O53:GMGR+,0-TT278 3J4*JB6H)3EHMG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105602,"usec":921035},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531267,"noise_level":-22.027283,"freq_skew":4.643713,"avlc":{"src":{"addr":"40768C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105603,"usec":682179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531833,"noise_level":-22.369637,"freq_skew":2.013408,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105603,"usec":683635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202079,"noise_level":-22.369637,"freq_skew":3.822123,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105603,"usec":683847},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277377,"noise_level":-23.300486,"freq_skew":4.991738,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.400001},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105605,"usec":189746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128057,"noise_level":-23.538231,"freq_skew":4.922291,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105605,"usec":201409},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.459124,"noise_level":-24.339544,"freq_skew":4.943549,"avlc":{"src":{"addr":"A8D972","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"avlc_specific_options","value":[36]},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EVGA"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":7.700000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105607,"usec":514403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601507,"noise_level":-23.391186,"freq_skew":2.112838,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105608,"usec":273185},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081413,"noise_level":-23.338482,"freq_skew":3.215859,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105611,"usec":295790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423544,"noise_level":-22.359381,"freq_skew":6.029410,"avlc":{"src":{"addr":"A75039","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105612,"usec":71173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029508,"noise_level":-21.882637,"freq_skew":2.961520,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105613,"usec":578492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922901,"noise_level":-21.924564,"freq_skew":4.731270,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105615,"usec":898688},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254096,"noise_level":-22.059145,"freq_skew":7.087332,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"ETAR"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":6.200000},"alt":212000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105615,"usec":912987},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990666,"noise_level":-21.906359,"freq_skew":3.246292,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":7.500000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105616,"usec":653553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352160,"noise_level":-21.820244,"freq_skew":7.279066,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N819AX","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"OY0119","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105617,"usec":418768},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361993,"noise_level":-22.623034,"freq_skew":5.002380,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":6.800000},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105618,"usec":177421},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203301,"noise_level":-22.334185,"freq_skew":5.293427,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077151","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,126,105,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105618,"usec":184135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042548,"noise_level":-22.221281,"freq_skew":7.334185,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105618,"usec":947620},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550286,"noise_level":-22.765766,"freq_skew":5.243027,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105619,"usec":707197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876606,"noise_level":-22.426149,"freq_skew":4.861184,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105621,"usec":214264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139825,"noise_level":-21.967587,"freq_skew":5.241614,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105621,"usec":225780},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971648,"noise_level":-21.837828,"freq_skew":5.159230,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":266,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,88,83,0,64,126,105],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105622,"usec":4001},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729672,"noise_level":-21.816389,"freq_skew":3.604231,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH06YY","msg_num":"211","msg_num_seq":"A","sublabel":"T2","msg_text":"T.3![n$U0MY\"8rr<$!|","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":20,"ack_required":false,"compression":0,"encoding":0,"app_type":10,"non_acars":{"app_id":"0NC","message":{}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105623,"usec":543316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637214,"noise_level":-21.764141,"freq_skew":3.923429,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105625,"usec":52824},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788757,"noise_level":-21.843990,"freq_skew":3.430634,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105626,"usec":555511},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817227,"noise_level":-21.819084,"freq_skew":4.953119,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105626,"usec":575197},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001201,"noise_level":-21.649397,"freq_skew":5.108241,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":268,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105628,"usec":879151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574079,"noise_level":-22.687914,"freq_skew":4.859089,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42129,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[210,126,14,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105628,"usec":880767},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.401841,"noise_level":-22.676086,"freq_skew":5.092538,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105629,"usec":646257},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896413,"noise_level":-22.730206,"freq_skew":3.649735,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":31,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105629,"usec":650364},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.365679,"noise_level":-22.694597,"freq_skew":6.040474,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105630,"usec":393882},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.393133,"noise_level":-23.223846,"freq_skew":4.250437,"avlc":{"src":{"addr":"4B1A1F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105631,"usec":160344},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785509,"noise_level":-22.866211,"freq_skew":3.778463,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"LH06YY","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105632,"usec":674451},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854334,"noise_level":-22.282202,"freq_skew":3.247840,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":7.500000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105636,"usec":523738},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698102,"noise_level":-21.806732,"freq_skew":2.607615,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH086P","msg_num":"M90","msg_num_seq":"A","msg_text":"00077209277GX((F2*664J3+TJD20MD*BBMMQFQG48QPR,,1K*6-6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105636,"usec":525474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.629277,"noise_level":-21.796045,"freq_skew":4.269587,"avlc":{"src":{"addr":"4B1A1F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105637,"usec":262959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191924,"noise_level":-21.574585,"freq_skew":2.610094,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105639,"usec":532191},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999125,"noise_level":-20.893921,"freq_skew":4.191433,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105639,"usec":536430},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050196,"noise_level":-21.130962,"freq_skew":4.797304,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32845,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[93,8,69,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105641,"usec":55974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998033,"noise_level":-20.887070,"freq_skew":3.877181,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"LH06YY","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105641,"usec":57369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153260,"noise_level":-20.877455,"freq_skew":4.388172,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYO","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR3689","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105641,"usec":860174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775041,"noise_level":-20.547476,"freq_skew":2.893594,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105643,"usec":371657},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842787,"noise_level":-20.211756,"freq_skew":4.045500,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105643,"usec":373091},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867724,"noise_level":-20.202862,"freq_skew":3.234429,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NAW","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"A30624","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105643,"usec":373091},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.867724,"noise_level":-20.202862,"freq_skew":3.234429,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21534067","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,184,55,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105643,"usec":377662},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116367,"noise_level":-20.185097,"freq_skew":4.998689,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32845,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[213,65,186,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105644,"usec":896304},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932808,"noise_level":-19.966045,"freq_skew":3.646571,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"9","ack":"Q","flight":"LH06YY","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105646,"usec":402301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.263903,"noise_level":-19.502754,"freq_skew":4.797685,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105647,"usec":172643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032483,"noise_level":-19.292059,"freq_skew":3.182066,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105647,"usec":969859},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661404,"noise_level":-19.141258,"freq_skew":4.837551,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":516,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105651,"usec":779953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335822,"noise_level":-19.455442,"freq_skew":4.815785,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105652,"usec":515569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689363,"noise_level":-20.303463,"freq_skew":3.143413,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47494,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[210,6,240,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105653,"usec":294595},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710116,"noise_level":-19.899254,"freq_skew":3.180259,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":7.400000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105654,"usec":43733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.039907,"noise_level":-19.779875,"freq_skew":4.230710,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105654,"usec":862419},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085807,"noise_level":-19.529461,"freq_skew":2.945529,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105656,"usec":361035},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165115,"noise_level":-19.230238,"freq_skew":4.244124,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,166,164,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105657,"usec":123386},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755406,"noise_level":-19.272802,"freq_skew":4.165992,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105657,"usec":870412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637616,"noise_level":-19.145918,"freq_skew":3.136947,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105658,"usec":646736},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677670,"noise_level":-19.055483,"freq_skew":2.298838,"avlc":{"src":{"addr":"502D0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105660,"usec":148658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966807,"noise_level":-20.305492,"freq_skew":4.799395,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105661,"usec":711981},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965710,"noise_level":-23.178215,"freq_skew":5.533212,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222407","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,76,72,0,77,37,7,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105662,"usec":467490},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.084317,"noise_level":-22.947683,"freq_skew":4.394280,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105662,"usec":489217},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858988,"noise_level":-22.683439,"freq_skew":3.156259,"avlc":{"src":{"addr":"46B837","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47494,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[75,50,6,237]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":47494,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[158,76,18,73]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":54,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105663,"usec":998573},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843026,"noise_level":-22.200260,"freq_skew":5.269255,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105663,"usec":998573},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.843026,"noise_level":-22.200260,"freq_skew":5.269255,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":295,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105665,"usec":516420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275563,"noise_level":-22.784065,"freq_skew":4.913240,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105665,"usec":522586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770429,"noise_level":-22.712553,"freq_skew":2.014437,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105666,"usec":278056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109658,"noise_level":-22.420759,"freq_skew":2.728007,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105666,"usec":280883},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768364,"noise_level":-22.397835,"freq_skew":5.248982,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45701,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[185,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105667,"usec":34899},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778455,"noise_level":-22.957239,"freq_skew":5.400887,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":295,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105670,"usec":873604},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796505,"noise_level":-21.663969,"freq_skew":2.927847,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105671,"usec":614804},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714701,"noise_level":-22.289183,"freq_skew":5.303576,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45701,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[104,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":54,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105673,"usec":911753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820689,"noise_level":-21.863640,"freq_skew":2.625515,"avlc":{"src":{"addr":"3C70B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105675,"usec":460641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762650,"noise_level":-21.553204,"freq_skew":4.212399,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105675,"usec":461544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739883,"noise_level":-21.625675,"freq_skew":5.318309,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105676,"usec":991254},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.502992,"noise_level":-21.296350,"freq_skew":3.153569,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCB","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"LX02CY","msg_num":"L17","msg_num_seq":"A","msg_text":"/EDDF.TI2/024EDDFA1046"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105678,"usec":487473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344907,"noise_level":-21.334709,"freq_skew":5.111579,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105680,"usec":8262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506902,"noise_level":-22.124474,"freq_skew":4.152529,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105680,"usec":766498},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818339,"noise_level":-22.368248,"freq_skew":4.623164,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105680,"usec":770120},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.014808,"noise_level":-23.310434,"freq_skew":3.085091,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCB","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"LX02CY","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105681,"usec":525746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733990,"noise_level":-23.186495,"freq_skew":4.557860,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105681,"usec":527248},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185616,"noise_level":-23.571880,"freq_skew":4.941716,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBW","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LS03CS","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105682,"usec":318227},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888814,"noise_level":-23.453865,"freq_skew":4.722589,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42129,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[110,236,137,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105682,"usec":320867},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851670,"noise_level":-23.440948,"freq_skew":4.827455,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42129,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[30,128,7,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105682,"usec":342104},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.235246,"noise_level":-23.903494,"freq_skew":3.331962,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCB","mode":"2","label":"_d","blk_id":"9","ack":"A","flight":"LX02CY","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105683,"usec":90268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319313,"noise_level":-23.701645,"freq_skew":1.863765,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105683,"usec":101162},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543318,"noise_level":-23.556545,"freq_skew":5.178677,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105683,"usec":853087},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837213,"noise_level":-23.312538,"freq_skew":4.898665,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105684,"usec":602113},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944238,"noise_level":-23.074179,"freq_skew":3.065654,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15175,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[254,172]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105684,"usec":612911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304050,"noise_level":-23.128658,"freq_skew":5.156154,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105685,"usec":374678},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783288,"noise_level":-22.715267,"freq_skew":1.998730,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKS","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"LH0408","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105686,"usec":877874},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342294,"noise_level":-23.402422,"freq_skew":3.048866,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15175,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[254,172]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105687,"usec":624871},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909583,"noise_level":-24.406549,"freq_skew":1.702855,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKS","mode":"2","label":"_d","blk_id":"5","ack":"S","flight":"LH0408","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105687,"usec":639057},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.568794,"noise_level":-24.734276,"freq_skew":3.939654,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIB","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH06LL","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105689,"usec":956491},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242958,"noise_level":-23.651178,"freq_skew":6.130256,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105691,"usec":460737},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811999,"noise_level":-23.779114,"freq_skew":4.021019,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIB","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH06LL","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105691,"usec":461125},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.214818,"noise_level":-23.779114,"freq_skew":5.045476,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105692,"usec":222004},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599929,"noise_level":-23.398378,"freq_skew":3.288783,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105694,"usec":496947},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733355,"noise_level":-22.531143,"freq_skew":6.031871,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105694,"usec":496947},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.733355,"noise_level":-22.531143,"freq_skew":6.031871,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52145,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,30,109,231]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105694,"usec":506065},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891465,"noise_level":-22.983522,"freq_skew":3.409050,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":5,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105695,"usec":309734},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.700226,"noise_level":-22.670822,"freq_skew":3.851258,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105696,"usec":57772},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096723,"noise_level":-22.460749,"freq_skew":2.707283,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":32.000000,"flags":254,"pdu_id":1875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,3,253,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105696,"usec":62160},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684774,"noise_level":-22.414745,"freq_skew":4.846726,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32844,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[92,208,200,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105698,"usec":332043},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597717,"noise_level":-22.607050,"freq_skew":5.274909,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":6,"dst_ref":52201,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,112]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[125,192]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105698,"usec":355211},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273539,"noise_level":-22.352819,"freq_skew":5.309985,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105698,"usec":355631},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830652,"noise_level":-22.352819,"freq_skew":2.688616,"avlc":{"src":{"addr":"3C70B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALEX","mode":"2","label":"5U","blk_id":"3","ack":"!","flight":"XA0053","msg_num":"M15","msg_num_seq":"A","msg_text":" 01 WXRQ 0053/15 LICA/EGGW .D-ALEX\r\n/TYP 1/STA EGGW/STA /STA EGSS"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105700,"usec":610083},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.365238,"noise_level":-22.043676,"freq_skew":5.819769,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,68,87,0,75,21,238,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,67,72,0,1,83,83,1,1,69,83,90,72,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":243,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":63,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[114,244]},{"name":"atn_checksum","value":[83,32,175,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105700,"usec":611896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224752,"noise_level":-22.032692,"freq_skew":2.985737,"avlc":{"src":{"addr":"3C70B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105700,"usec":620439},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.404625,"noise_level":-22.708679,"freq_skew":5.476793,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59822,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,207,102,138]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4920814,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"EDW403Y","long_tsap":{"rdp":[65,69,68,87,0],"short_tsap":{"ars":[75,21,238],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,69,68,87,0],"short_tsap":{"ars":[75,21,238],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"BKPR","destination_airport":"LSZH"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105702,"usec":171101},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.293310,"noise_level":-22.224133,"freq_skew":4.179093,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141154","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,108,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105702,"usec":936836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146162,"noise_level":-21.861517,"freq_skew":5.487365,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105703,"usec":703521},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.080512,"noise_level":-21.492783,"freq_skew":3.770191,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":true,"local_ref_a":54,"priority":4,"lifetime":52.000000,"flags":221,"pdu_id":794,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[80,17,70,146,224,84,114,80,12,36,132,2,163,77,161,198,144,48,255,21,26,234,131,9,77,192,168,229,40,205,26,56,77,167,198,64,65,1,0,42,53,26,79,113,81,32,64,48,181,8,7,110,69,177,6,108,20,221,20,100,64,80,120,3,182,163,33,236,42,16,72,6,20,19,0,187,201,52,161,69,166,155,249,140,136,10,14,32,93,222,194,160,35,240,97,103,192,10,148,159,98,45,42,169,195,88,200,128,128,10,42,224,83,219,198,12,46,26,1,69,78,38]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105704,"usec":464850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531121,"noise_level":-21.228655,"freq_skew":3.702859,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105705,"usec":204318},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963305,"noise_level":-21.218655,"freq_skew":1.962890,"avlc":{"src":{"addr":"3C6573","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKS","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"LH0408","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105705,"usec":967433},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888786,"noise_level":-22.214106,"freq_skew":2.837714,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":234,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":17,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105706,"usec":730265},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909874,"noise_level":-23.762577,"freq_skew":2.068641,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[171,39]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105706,"usec":732880},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.448112,"noise_level":-23.735828,"freq_skew":4.796595,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42255,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[75,4,59,146]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":54,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105707,"usec":499130},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.820585,"noise_level":-23.293259,"freq_skew":5.050750,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42255,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[161,145,55,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105708,"usec":236539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858555,"noise_level":-23.230038,"freq_skew":5.903377,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105708,"usec":249586},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647689,"noise_level":-23.067780,"freq_skew":5.169682,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LKPD"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":13.800000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105709,"usec":53761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765414,"noise_level":-23.895576,"freq_skew":3.971601,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105709,"usec":56703},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409067,"noise_level":-23.864769,"freq_skew":5.244748,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222403","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,37,3,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105709,"usec":57798},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.287384,"noise_level":-23.851227,"freq_skew":5.633584,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59824,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,148,17,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":55,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105709,"usec":799485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924256,"noise_level":-23.770409,"freq_skew":3.071923,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105710,"usec":563539},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.421672,"noise_level":-24.008766,"freq_skew":5.485687,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59824,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[247,233,45,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105710,"usec":571206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026143,"noise_level":-23.899216,"freq_skew":2.576237,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105711,"usec":338402},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940384,"noise_level":-23.571144,"freq_skew":2.628015,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22612727","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,21,215,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105712,"usec":836259},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.479463,"noise_level":-23.863796,"freq_skew":5.032834,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105712,"usec":844485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876204,"noise_level":-23.769445,"freq_skew":2.515041,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105712,"usec":850462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662664,"noise_level":-23.702675,"freq_skew":7.031600,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105713,"usec":591091},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.382288,"noise_level":-24.277882,"freq_skew":4.973759,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42255,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[246,94,105,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105714,"usec":351748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864517,"noise_level":-23.861599,"freq_skew":2.995839,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105714,"usec":359379},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776912,"noise_level":-24.674625,"freq_skew":2.940032,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":124,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105714,"usec":361887},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648393,"noise_level":-24.659760,"freq_skew":4.882588,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105714,"usec":363401},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911887,"noise_level":-24.630104,"freq_skew":5.190585,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,87,82,0,75,25,80,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,82,77,83,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":282,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[4]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":69,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[93,214]},{"name":"atn_checksum","value":[63,143,112,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105714,"usec":371322},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961765,"noise_level":-24.527102,"freq_skew":5.968013,"avlc":{"src":{"addr":"A75039","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N570UP","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"UP0004","msg_num":"D28","msg_num_seq":"A","sublabel":"DF","msg_text":"*POS\r\n07150854N4926E00513304264050820M3802940"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105715,"usec":148543},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988326,"noise_level":-24.527102,"freq_skew":5.006706,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105715,"usec":917320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.553771,"noise_level":-24.057322,"freq_skew":3.990541,"avlc":{"src":{"addr":"48C26C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105715,"usec":924670},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.534627,"noise_level":-23.960857,"freq_skew":4.993827,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105715,"usec":925355},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400280,"noise_level":-23.947163,"freq_skew":4.993402,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42255,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[246,94,105,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105718,"usec":184872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130959,"noise_level":-25.267410,"freq_skew":4.875437,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105718,"usec":195055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822145,"noise_level":-25.140903,"freq_skew":4.614137,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105719,"usec":714580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.786532,"noise_level":-24.303471,"freq_skew":6.123415,"avlc":{"src":{"addr":"A75039","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105721,"usec":232671},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129785,"noise_level":-24.311636,"freq_skew":5.126115,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":4,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":54305,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[179,22,124,48]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105721,"usec":240127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846061,"noise_level":-24.128086,"freq_skew":4.861873,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105723,"usec":540393},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547226,"noise_level":-23.340603,"freq_skew":4.277217,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":6.200000},"alt":87000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105723,"usec":547503},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676432,"noise_level":-23.683493,"freq_skew":4.023139,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR08YX","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105724,"usec":322245},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360669,"noise_level":-24.026505,"freq_skew":4.042646,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221160","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,112,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105724,"usec":324896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.677052,"noise_level":-24.526745,"freq_skew":4.886484,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105725,"usec":66488},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213498,"noise_level":-24.517487,"freq_skew":3.850852,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32846,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[247,111,173,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105725,"usec":83165},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655433,"noise_level":-24.315298,"freq_skew":4.284345,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105727,"usec":332577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564337,"noise_level":-23.576736,"freq_skew":4.045788,"avlc":{"src":{"addr":"4CADE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":129246},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.457760,"noise_level":-24.135645,"freq_skew":5.514342,"avlc":{"src":{"addr":"4ACA8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RTM","mode":"2","label":"_d","blk_id":"0","ack":"M","flight":"DY57GW","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":136203},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.268974,"noise_level":-23.860388,"freq_skew":3.957694,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32846,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[247,111,173,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":892266},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338551,"noise_level":-23.806370,"freq_skew":4.338898,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5867,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":2,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":901731},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020249,"noise_level":-24.213959,"freq_skew":2.021278,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42165,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,72]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":8,"min":55,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":907233},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.862487,"noise_level":-24.143694,"freq_skew":5.459626,"avlc":{"src":{"addr":"4ACA8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RTM","mode":"2","label":"_d","blk_id":"1","ack":"N","flight":"DY57GW","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105728,"usec":911335},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539404,"noise_level":-24.087889,"freq_skew":4.015360,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBA","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"FR08YX","msg_num":"M79","msg_num_seq":"A","msg_text":"/EBCI.TI2/024EBCIAA271"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105729,"usec":649614},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176470,"noise_level":-24.478781,"freq_skew":4.765974,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105730,"usec":405597},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.882546,"noise_level":-24.976904,"freq_skew":2.435083,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHB","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"WK011K","msg_num":"F42","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105730,"usec":407283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035977,"noise_level":-24.915501,"freq_skew":2.197829,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105730,"usec":409051},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603540,"noise_level":-24.854528,"freq_skew":4.143166,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105731,"usec":164806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442377,"noise_level":-24.659273,"freq_skew":4.164824,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105731,"usec":936545},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545092,"noise_level":-24.659660,"freq_skew":4.319105,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBA","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"FR08YX","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105733,"usec":448257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538322,"noise_level":-24.594328,"freq_skew":4.058514,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105733,"usec":465221},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656168,"noise_level":-24.347271,"freq_skew":4.233254,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105734,"usec":202296},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851685,"noise_level":-24.304394,"freq_skew":2.096270,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42165,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[64,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105734,"usec":212879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380086,"noise_level":-24.206240,"freq_skew":4.979841,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105734,"usec":223920},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779465,"noise_level":-24.052540,"freq_skew":2.941063,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LAJ","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"VF02GJ","msg_num":"L07","msg_num_seq":"A","msg_text":"/EDDL.TI2/024EDDLAFF8D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105735,"usec":778504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488132,"noise_level":-24.329754,"freq_skew":3.014422,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105736,"usec":530136},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468971,"noise_level":-24.656868,"freq_skew":2.117917,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105736,"usec":532724},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510985,"noise_level":-24.612438,"freq_skew":4.328158,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105736,"usec":533537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884258,"noise_level":-24.612438,"freq_skew":4.978170,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105738,"usec":33485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479321,"noise_level":-24.370636,"freq_skew":4.975616,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105738,"usec":37533},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.218222,"noise_level":-24.313358,"freq_skew":3.911149,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32846,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[247,111,173,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105738,"usec":812693},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.582228,"noise_level":-23.814184,"freq_skew":2.360191,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105738,"usec":815578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214428,"noise_level":-23.760452,"freq_skew":5.019311,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105741,"usec":817026},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730227,"noise_level":-22.750191,"freq_skew":5.178645,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.700000},"alt":6000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105741,"usec":826463},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587419,"noise_level":-23.417501,"freq_skew":5.167363,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH06RK","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105741,"usec":826463},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.587419,"noise_level":-23.417501,"freq_skew":5.167363,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062706","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,198,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105742,"usec":641267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827380,"noise_level":-23.163774,"freq_skew":4.375529,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105742,"usec":645449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658060,"noise_level":-23.739416,"freq_skew":5.487119,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105743,"usec":393902},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670609,"noise_level":-24.501434,"freq_skew":5.142294,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINF","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH06RK","msg_num":"D13","msg_num_seq":"C","sublabel":"DF","msg_text":",001,001,002,099,2/E20331,0754,59,183,096,000,004,0/N20326,0749,50,119,096,000,014,0/S21145,2682,031,N09,197,48,00171,2/T21088,2639,029,012,182,48,00173,2/E30829,0917,53,175,007,000,002,0/N30830,0917,50,126"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105744,"usec":915988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697389,"noise_level":-24.560621,"freq_skew":4.893998,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105746,"usec":413514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515158,"noise_level":-24.470245,"freq_skew":4.028512,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105746,"usec":414969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.618530,"noise_level":-24.781246,"freq_skew":2.391851,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105753,"usec":285514},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447329,"noise_level":-24.156860,"freq_skew":3.521787,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":7.600000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105754,"usec":50756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035134,"noise_level":-24.360878,"freq_skew":7.027725,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105754,"usec":71834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.818986,"noise_level":-25.106642,"freq_skew":3.366788,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105754,"usec":814892},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463249,"noise_level":-24.951664,"freq_skew":0.290833,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.500000},"alt":4000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105755,"usec":608834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943011,"noise_level":-24.694384,"freq_skew":5.660088,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105755,"usec":610096},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642077,"noise_level":-24.694384,"freq_skew":3.740269,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105755,"usec":627384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562116,"noise_level":-25.322407,"freq_skew":0.127335,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH025K","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105757,"usec":903712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875151,"noise_level":-24.196379,"freq_skew":0.390525,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105758,"usec":660633},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219555,"noise_level":-24.412395,"freq_skew":3.347040,"avlc":{"src":{"addr":"AAC8A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105759,"usec":418830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868779,"noise_level":-24.663103,"freq_skew":4.762460,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105760,"usec":160208},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965982,"noise_level":-24.356546,"freq_skew":5.589204,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHY","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"WK403Y","msg_num":"200","msg_num_seq":"A","sublabel":"T2","msg_text":"SRC7 /G"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105762,"usec":480640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923728,"noise_level":-24.232174,"freq_skew":5.508292,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105764,"usec":758407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017512,"noise_level":-23.491323,"freq_skew":4.957030,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105765,"usec":536143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.811999,"noise_level":-22.986919,"freq_skew":3.718637,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"LH06YY","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105771,"usec":625295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193181,"noise_level":-22.801300,"freq_skew":5.261106,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105771,"usec":629525},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716406,"noise_level":-22.753464,"freq_skew":5.724293,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LUKK"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.000000},"alt":11000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105771,"usec":630878},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.071070,"noise_level":-22.833237,"freq_skew":5.819991,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHY","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"WK403Y","msg_num":"203","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E5500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105772,"usec":397576},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605063,"noise_level":-22.444862,"freq_skew":5.415258,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"_d","blk_id":"6","ack":"J","flight":"LH1558","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105776,"usec":972983},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739700,"noise_level":-21.733809,"freq_skew":3.462753,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"8","ack":"T","flight":"LH06YY","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105777,"usec":745939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684114,"noise_level":-21.667738,"freq_skew":5.632626,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105778,"usec":510706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538160,"noise_level":-21.715250,"freq_skew":1.225420,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105780,"usec":782601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366142,"noise_level":-22.122055,"freq_skew":2.986661,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105786,"usec":137717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588529,"noise_level":-23.083389,"freq_skew":4.499341,"avlc":{"src":{"addr":"4B181A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42129,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[25,27,106,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105786,"usec":895970},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922288,"noise_level":-23.686569,"freq_skew":3.666722,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH06YY","msg_num":"M32","msg_num_seq":"A","msg_text":"00025234274WOST*696D,,ZBT*T2LYDLE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105787,"usec":654422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068376,"noise_level":-24.054340,"freq_skew":3.739730,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105788,"usec":409260},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.324403,"noise_level":-24.672127,"freq_skew":0.089647,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105789,"usec":972872},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.959178,"noise_level":-24.359673,"freq_skew":4.335917,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123244","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,164,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105791,"usec":471346},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193110,"noise_level":-23.857903,"freq_skew":4.208018,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR3689","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105792,"usec":992096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254509,"noise_level":-23.281559,"freq_skew":5.392193,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105793,"usec":753073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017078,"noise_level":-23.817173,"freq_skew":5.201097,"avlc":{"src":{"addr":"4D2503","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105796,"usec":23348},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.088734,"noise_level":-22.965340,"freq_skew":4.309968,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR3689","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105796,"usec":24929},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566255,"noise_level":-22.904453,"freq_skew":3.375043,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"EDSB"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":8.400001},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105798,"usec":346227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020585,"noise_level":-22.194069,"freq_skew":4.964170,"avlc":{"src":{"addr":"407E69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105800,"usec":621159},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.548405,"noise_level":-22.787529,"freq_skew":3.725193,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":74,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":151,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[173,215,66,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105801,"usec":400259},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.967856,"noise_level":-22.504829,"freq_skew":3.797946,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105802,"usec":147592},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500397,"noise_level":-22.332706,"freq_skew":5.362000,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105803,"usec":701363},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.321626,"noise_level":-22.714851,"freq_skew":4.385397,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6983,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,76,166,164]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,76,166,164]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105804,"usec":470673},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.309605,"noise_level":-22.308929,"freq_skew":4.390578,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYO","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"FR3689","msg_num":"S12","msg_num_seq":"A","msg_text":"0E20856422/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":56,"sec":42}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105805,"usec":221641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318116,"noise_level":-22.151726,"freq_skew":4.045575,"avlc":{"src":{"addr":"4D2270","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105805,"usec":231598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.121682,"noise_level":-22.041153,"freq_skew":4.171589,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105809,"usec":29328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568029,"noise_level":-21.655010,"freq_skew":4.947773,"avlc":{"src":{"addr":"A8D972","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105809,"usec":833766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268674,"noise_level":-21.314949,"freq_skew":5.070249,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42255,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[216,243,214,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105810,"usec":591436},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756999,"noise_level":-21.479589,"freq_skew":4.152940,"avlc":{"src":{"addr":"4D24CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LIME"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":11.900001},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105812,"usec":101564},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690258,"noise_level":-21.418079,"freq_skew":3.987563,"avlc":{"src":{"addr":"4D24CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR39HB","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105812,"usec":861693},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442801,"noise_level":-21.635551,"freq_skew":4.191318,"avlc":{"src":{"addr":"4D24CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105813,"usec":604934},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.277635,"noise_level":-21.552069,"freq_skew":5.093909,"avlc":{"src":{"addr":"3C648F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42255,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[216,243,214,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105813,"usec":621118},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813103,"noise_level":-21.891682,"freq_skew":3.465349,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"EDSB"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":8.400001},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105814,"usec":369883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416243,"noise_level":-21.731182,"freq_skew":3.972192,"avlc":{"src":{"addr":"4D24CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105814,"usec":373438},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.695586,"noise_level":-21.699432,"freq_skew":4.057930,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105815,"usec":137007},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.866796,"noise_level":-21.357662,"freq_skew":4.322629,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6987,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":26,"dst_ref":17,"variable_part_params":[{"name":"checksum","value":[138,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105819,"usec":732016},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835855,"noise_level":-22.217964,"freq_skew":2.707207,"avlc":{"src":{"addr":"4B15D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":32.000000,"flags":254,"pdu_id":1878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,3,253,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105819,"usec":733044},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661581,"noise_level":-22.206760,"freq_skew":5.501349,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINF","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH06RK","msg_num":"D15","msg_num_seq":"E","sublabel":"DF","msg_text":"016,N09,162,41,03234,2/T54566,5887,015,N03,147,40,03239,2/V50220,0152,00320,00224,220,213,208,0/X52881,00100,015,003,001,008,010,2/S64477,6002,015,N10,159,40,04064,2/T64497,5917,014,N05,147,41,04070,2/X6288"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105821,"usec":236833},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678196,"noise_level":-23.012913,"freq_skew":5.486114,"avlc":{"src":{"addr":"4D2346","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221506","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,70,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105821,"usec":239149},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404845,"noise_level":-22.988373,"freq_skew":3.747688,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WMF","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"W65310","msg_num":"S60","msg_num_seq":"A","msg_text":"0EV085658V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":56,"sec":58}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105822,"usec":11833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635520,"noise_level":-23.355907,"freq_skew":3.771167,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105823,"usec":557563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222888,"noise_level":-23.676340,"freq_skew":6.960789,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105823,"usec":568584},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716947,"noise_level":-24.111122,"freq_skew":3.022643,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"LH086P","msg_num":"M92","msg_num_seq":"A","msg_text":"/EDDK.TI2/040EDDKAC19E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105823,"usec":572862},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240307,"noise_level":-24.055527,"freq_skew":5.667225,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":253,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105824,"usec":325311},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.522071,"noise_level":-23.836632,"freq_skew":1.934139,"avlc":{"src":{"addr":"A89D59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N654UA","mode":"2","label":"5Z","blk_id":"6","ack":"!","flight":"UA0322","msg_num":"M27","msg_num_seq":"A","msg_text":"/ET EXP TIME / LIPZ KIAD 15 085657/EON 1755 AUTO"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105824,"usec":329445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850598,"noise_level":-23.782759,"freq_skew":5.458114,"avlc":{"src":{"addr":"4ACA8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105824,"usec":330455},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136733,"noise_level":-23.769344,"freq_skew":3.203884,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":352,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105825,"usec":74421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108399,"noise_level":-23.636312,"freq_skew":5.422647,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105825,"usec":76442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894281,"noise_level":-23.583662,"freq_skew":4.078386,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105826,"usec":587845},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404346,"noise_level":-23.648891,"freq_skew":2.236482,"avlc":{"src":{"addr":"A89D59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105828,"usec":113507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387165,"noise_level":-23.076298,"freq_skew":5.642514,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105828,"usec":115108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.722975,"noise_level":-23.712727,"freq_skew":5.497711,"avlc":{"src":{"addr":"4D2346","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105828,"usec":864790},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663272,"noise_level":-23.489210,"freq_skew":5.475600,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINF","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH06RK","msg_num":"D15","msg_num_seq":"I","sublabel":"DF","msg_text":"18,5211,013,N17,156,41,05616,2/T02923,5172,011,N09,143,41,05627,2/X02881,00100,025,023,036,035,011,2/1E0852,0921,54,096,040,000,028,0/1N0853,0921,56,089,039,000,025,0/1S4332,5745,013,N15,153,42,06209,2/1T43"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105829,"usec":623774},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691656,"noise_level":-24.088203,"freq_skew":5.737121,"avlc":{"src":{"addr":"4ACA8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RTM","mode":"2","label":"_d","blk_id":"3","ack":"P","flight":"DY57GW","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105829,"usec":625061},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515844,"noise_level":-24.060436,"freq_skew":5.875179,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGUN"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105829,"usec":626979},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854560,"noise_level":-24.018946,"freq_skew":3.001639,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"9","ack":"K","flight":"LH086P","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105831,"usec":942857},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500626,"noise_level":-23.717678,"freq_skew":5.203061,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINF","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH06RK","msg_num":"D15","msg_num_seq":"K","sublabel":"DF","msg_text":"82,0077,00560,00224,220,213,208,0/2X2881,00400,031,019,044,037,011,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105832,"usec":698398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726912,"noise_level":-23.691067,"freq_skew":3.924328,"avlc":{"src":{"addr":"4D24CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105833,"usec":463488},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346715,"noise_level":-23.276009,"freq_skew":5.525197,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105834,"usec":209640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.418910,"noise_level":-24.369019,"freq_skew":4.306081,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105838,"usec":57513},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.688522,"noise_level":-23.125326,"freq_skew":4.200619,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105838,"usec":61848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339039,"noise_level":-23.063309,"freq_skew":5.096464,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105838,"usec":810275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071078,"noise_level":-23.416470,"freq_skew":4.788610,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105839,"usec":571548},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500811,"noise_level":-23.339577,"freq_skew":5.907464,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGUN"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105839,"usec":582609},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911041,"noise_level":-23.894840,"freq_skew":4.407245,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6992,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42269,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[75,71]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5023396,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR3689","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,166,164],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,166,164],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LIRI","destination_airport":"EBCI"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105840,"usec":331004},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747088,"noise_level":-23.759884,"freq_skew":3.155237,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"0","ack":"L","flight":"LH086P","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105840,"usec":337407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720578,"noise_level":-23.679907,"freq_skew":2.052212,"avlc":{"src":{"addr":"740826","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105841,"usec":79516},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.063736,"noise_level":-23.405647,"freq_skew":2.923239,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"LH086P","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105841,"usec":853320},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829721,"noise_level":-23.741247,"freq_skew":4.307988,"avlc":{"src":{"addr":"4CA6A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105842,"usec":613604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143861,"noise_level":-23.505924,"freq_skew":2.779547,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105842,"usec":621077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.727273,"noise_level":-23.981724,"freq_skew":0.087656,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105842,"usec":628424},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320398,"noise_level":-23.872513,"freq_skew":2.779737,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105844,"usec":184227},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718196,"noise_level":-23.315287,"freq_skew":5.590486,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"LH1558","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105847,"usec":204629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458740,"noise_level":-22.250910,"freq_skew":5.588783,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105850,"usec":279137},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874601,"noise_level":-21.933622,"freq_skew":3.692954,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105851,"usec":803142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645604,"noise_level":-21.407303,"freq_skew":3.583329,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105851,"usec":808608},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479918,"noise_level":-21.356384,"freq_skew":2.656674,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105855,"usec":599345},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659859,"noise_level":-22.388451,"freq_skew":6.809752,"avlc":{"src":{"addr":"AB2AE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":92,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":12,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105856,"usec":343057},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745712,"noise_level":-23.156128,"freq_skew":5.390273,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINF","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH06RK","msg_num":"D16","msg_num_seq":"C","sublabel":"DF","msg_text":",003,001,002,011,2/S24498,5908,018,N07,159,41,02505,2/T24523,5820,016,N00,149,41,02510,2/X22881,00150,012,003,001,002,010,2/E30846,0921,43,108,040,000,002,0/N30846,0921,43,094,039,000,001,0/S34563,5958,017,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105856,"usec":349745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368250,"noise_level":-23.457561,"freq_skew":2.987883,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105856,"usec":360165},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.136447,"noise_level":-23.940847,"freq_skew":3.934702,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105858,"usec":671571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509416,"noise_level":-23.190460,"freq_skew":2.887961,"avlc":{"src":{"addr":"4BB069","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105860,"usec":196837},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.713079,"noise_level":-23.379488,"freq_skew":2.399145,"avlc":{"src":{"addr":"78158F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105860,"usec":945629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718840,"noise_level":-23.151789,"freq_skew":5.905663,"avlc":{"src":{"addr":"AE0651","type":"Aircraft","status":"On ground"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105860,"usec":954583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512114,"noise_level":-23.366995,"freq_skew":3.030478,"avlc":{"src":{"addr":"4BB02A","type":"Aircraft","status":"On ground"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784105861,"usec":709932},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846130,"noise_level":-23.069069,"freq_skew":3.684415,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH06YY","msg_num":"213","msg_num_seq":"A","sublabel":"T2","msg_text":"T-3!\\=j^M","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":35,"ack_required":false,"compression":1,"encoding":0,"app_type":10,"non_acars":{"app_id":"0TU","message":{"text":"04EP15EDDNEDDFN49530E00914609551247M033275011GXXXX2200B85LU"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109329,"usec":758623},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243447,"noise_level":-22.553370,"freq_skew":4.005747,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":9.200000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109330,"usec":513443},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313805,"noise_level":-23.002731,"freq_skew":4.133761,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"PC81WP","msg_num":"M64","msg_num_seq":"A","msg_text":"PC81WP/15JUL26 09:55:26,38000,1114, 174,N 50.940 E 9.252"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109330,"usec":514627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482136,"noise_level":-22.965992,"freq_skew":2.782248,"avlc":{"src":{"addr":"4A08EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109332,"usec":104943},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093854,"noise_level":-22.884062,"freq_skew":1.345318,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109332,"usec":845920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896110,"noise_level":-22.775780,"freq_skew":4.042048,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109333,"usec":619866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.337101,"noise_level":-22.444969,"freq_skew":1.611274,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":10,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51640,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[174,157,99,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109334,"usec":368519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674299,"noise_level":-22.240223,"freq_skew":6.605605,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109334,"usec":382990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660282,"noise_level":-23.643250,"freq_skew":3.914919,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42579,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[116,201,80,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109335,"usec":126194},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.640465,"noise_level":-23.538187,"freq_skew":3.381937,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47884,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[2,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109336,"usec":648641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394008,"noise_level":-23.381250,"freq_skew":5.406834,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109337,"usec":448014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904644,"noise_level":-23.153503,"freq_skew":4.018016,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109337,"usec":452856},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113920,"noise_level":-23.103695,"freq_skew":1.561272,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":45992,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[237,146,90,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":9,"min":55,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109337,"usec":467801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133382,"noise_level":-22.931576,"freq_skew":3.396621,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109338,"usec":195307},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624118,"noise_level":-22.895136,"freq_skew":3.907021,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42579,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[116,201,80,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109338,"usec":196246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663378,"noise_level":-23.511799,"freq_skew":5.375645,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109338,"usec":206868},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391686,"noise_level":-23.318748,"freq_skew":3.667681,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044356","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,72,238,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109338,"usec":968486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427579,"noise_level":-23.080223,"freq_skew":1.726813,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109338,"usec":976150},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766737,"noise_level":-22.981718,"freq_skew":6.391502,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48025,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[96,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109339,"usec":720892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938108,"noise_level":-22.884315,"freq_skew":3.968588,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109340,"usec":497827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655187,"noise_level":-22.436020,"freq_skew":5.357974,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109342,"usec":10127},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.580136,"noise_level":-21.951973,"freq_skew":1.054341,"avlc":{"src":{"addr":"A1050F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"lcr_cause","value":{"cause_code":5,"cause_descr":"Cannot support autotune","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109342,"usec":17744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513983,"noise_level":-21.876183,"freq_skew":4.691991,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109343,"usec":519469},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683062,"noise_level":-21.537886,"freq_skew":3.929424,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42579,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[116,201,80,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109344,"usec":334994},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865348,"noise_level":-21.262352,"freq_skew":4.804296,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":104,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109345,"usec":842143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.159481,"noise_level":-21.195517,"freq_skew":1.066295,"avlc":{"src":{"addr":"A1050F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..T7PSJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"ZD0000","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109345,"usec":852363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992399,"noise_level":-21.096409,"freq_skew":4.999168,"avlc":{"src":{"addr":"440C8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109350,"usec":394721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.895713,"noise_level":-21.267902,"freq_skew":4.922891,"avlc":{"src":{"addr":"4BC8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109350,"usec":395629},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923405,"noise_level":-21.369854,"freq_skew":5.365693,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[191,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109350,"usec":404628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900435,"noise_level":-21.278803,"freq_skew":2.355952,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109351,"usec":963147},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337168,"noise_level":-21.620869,"freq_skew":5.439092,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[96,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109353,"usec":470582},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588397,"noise_level":-21.767561,"freq_skew":4.089584,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42579,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[116,201,80,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109357,"usec":305972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.559496,"noise_level":-20.510925,"freq_skew":3.430484,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109360,"usec":345831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810513,"noise_level":-19.639837,"freq_skew":3.487190,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109361,"usec":874820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824889,"noise_level":-20.289742,"freq_skew":4.057699,"avlc":{"src":{"addr":"4CADC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109365,"usec":700746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293977,"noise_level":-20.143158,"freq_skew":4.008768,"avlc":{"src":{"addr":"4408C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59931,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[50,109,28,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109366,"usec":474175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118131,"noise_level":-20.098818,"freq_skew":5.174675,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109367,"usec":247913},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695517,"noise_level":-20.046631,"freq_skew":3.978312,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":354,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109367,"usec":248302},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588633,"noise_level":-20.046631,"freq_skew":5.108080,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4714,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[187,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109367,"usec":993088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.352164,"noise_level":-19.908016,"freq_skew":4.030825,"avlc":{"src":{"addr":"4CADC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109368,"usec":762561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625081,"noise_level":-20.455629,"freq_skew":3.542753,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109368,"usec":768060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.113611,"noise_level":-20.428211,"freq_skew":3.908922,"avlc":{"src":{"addr":"4CADC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109369,"usec":507277},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590059,"noise_level":-20.292404,"freq_skew":3.789297,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109369,"usec":509863},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451709,"noise_level":-21.328770,"freq_skew":6.405191,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42630,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[162,80]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109371,"usec":832314},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582775,"noise_level":-20.582392,"freq_skew":3.899408,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109374,"usec":116264},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.327257,"noise_level":-20.186441,"freq_skew":6.372259,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48025,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[17,193]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109375,"usec":618269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763122,"noise_level":-21.013128,"freq_skew":1.387030,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109375,"usec":623291},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104234,"noise_level":-20.974174,"freq_skew":2.589763,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109375,"usec":630595},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768422,"noise_level":-20.906420,"freq_skew":5.282221,"avlc":{"src":{"addr":"4BC8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42636,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[159,104,237,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109378,"usec":700995},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156399,"noise_level":-22.397993,"freq_skew":6.325401,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48025,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[17,193]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109381,"usec":746067},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.580954,"noise_level":-22.037853,"freq_skew":1.311638,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109382,"usec":498261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.617650,"noise_level":-21.910055,"freq_skew":1.592021,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109383,"usec":256996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.826888,"noise_level":-22.713678,"freq_skew":3.277841,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109383,"usec":260405},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.372867,"noise_level":-22.666321,"freq_skew":1.348932,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45992,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[109,118,203,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109387,"usec":88721},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808749,"noise_level":-21.363998,"freq_skew":1.449337,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42658,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[166,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109387,"usec":89601},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.789115,"noise_level":-21.363998,"freq_skew":1.422758,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":45992,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[109,118,203,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109387,"usec":861313},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507793,"noise_level":-21.300032,"freq_skew":6.978497,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1123,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109393,"usec":200262},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151989,"noise_level":-22.070744,"freq_skew":2.119043,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[54,66,192,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109396,"usec":253457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500047,"noise_level":-21.683836,"freq_skew":1.944381,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109397,"usec":15863},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995289,"noise_level":-21.444643,"freq_skew":3.577375,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7464,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109398,"usec":559751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.521502,"noise_level":-21.693659,"freq_skew":4.100797,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":76,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109399,"usec":332261},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310869,"noise_level":-22.534149,"freq_skew":2.190243,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22352477","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,67,90,0,73,213,63,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109400,"usec":105654},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.126466,"noise_level":-22.173994,"freq_skew":5.797435,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHZ","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR77VZ","msg_num":"M35","msg_num_seq":"A","msg_text":"095638,35991,1212, 157,N 46.965 E 10.945"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109400,"usec":838514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316522,"noise_level":-22.140589,"freq_skew":2.156226,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109400,"usec":857621},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.522129,"noise_level":-22.389656,"freq_skew":6.846313,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109403,"usec":118674},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738214,"noise_level":-23.502123,"freq_skew":5.205955,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109403,"usec":901747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.881886,"noise_level":-22.972614,"freq_skew":3.360908,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109404,"usec":707007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199461,"noise_level":-22.613232,"freq_skew":5.745540,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109405,"usec":443632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291039,"noise_level":-22.734747,"freq_skew":3.277597,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109405,"usec":446659},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792793,"noise_level":-23.043745,"freq_skew":4.026737,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109405,"usec":462765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.926671,"noise_level":-22.860718,"freq_skew":2.646488,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109410,"usec":12259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680957,"noise_level":-21.265785,"freq_skew":5.065685,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109417,"usec":647626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765907,"noise_level":-20.248804,"freq_skew":3.332226,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109419,"usec":960248},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936289,"noise_level":-20.757122,"freq_skew":5.651616,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRM","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH07VV","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109421,"usec":468582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102095,"noise_level":-20.448513,"freq_skew":1.951448,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109421,"usec":478665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.942862,"noise_level":-20.538048,"freq_skew":3.678924,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109421,"usec":496888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186996,"noise_level":-20.400526,"freq_skew":5.693376,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109424,"usec":512934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981395,"noise_level":-20.145864,"freq_skew":5.501101,"avlc":{"src":{"addr":"4D012F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109426,"usec":829830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530084,"noise_level":-20.618874,"freq_skew":2.019769,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109427,"usec":604835},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654120,"noise_level":-20.244625,"freq_skew":5.756096,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"lcr_cause","value":{"cause_code":3,"cause_descr":"Terrestrial network not available","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109429,"usec":128539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202243,"noise_level":-20.303799,"freq_skew":5.079599,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109432,"usec":197307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787183,"noise_level":-20.235008,"freq_skew":2.746576,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109435,"usec":215166},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647144,"noise_level":-21.184086,"freq_skew":1.759660,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109435,"usec":218233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.540096,"noise_level":-21.689449,"freq_skew":3.875016,"avlc":{"src":{"addr":"4408C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109439,"usec":837249},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725511,"noise_level":-20.426485,"freq_skew":2.059143,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":8.500000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109442,"usec":875375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987735,"noise_level":-20.652454,"freq_skew":4.419507,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109443,"usec":623655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349017,"noise_level":-20.568588,"freq_skew":6.543646,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109443,"usec":627019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.970987,"noise_level":-20.540810,"freq_skew":4.176088,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109445,"usec":948541},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005174,"noise_level":-21.197567,"freq_skew":5.354156,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[176,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109447,"usec":479460},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655506,"noise_level":-20.898191,"freq_skew":4.420781,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42621,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[244,134,246,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109448,"usec":987279},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309380,"noise_level":-21.004719,"freq_skew":6.806095,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109449,"usec":751593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.435989,"noise_level":-20.764297,"freq_skew":4.372275,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":164,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109449,"usec":757684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163981,"noise_level":-20.887907,"freq_skew":4.955084,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109452,"usec":816635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276095,"noise_level":-21.343685,"freq_skew":3.771104,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109455,"usec":854096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104671,"noise_level":-21.521513,"freq_skew":1.974504,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109456,"usec":626682},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.693763,"noise_level":-21.156719,"freq_skew":3.571675,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":5.800000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109458,"usec":132220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378362,"noise_level":-21.896130,"freq_skew":3.539325,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109459,"usec":712726},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340094,"noise_level":-21.190811,"freq_skew":4.375306,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42422,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[187,66,102,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109460,"usec":466260},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.313427,"noise_level":-21.370674,"freq_skew":3.693293,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LFMD"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109460,"usec":466541},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.332539,"noise_level":-21.360508,"freq_skew":3.625986,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":6,"calling_addr":"22240501","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,131,80,84,0,73,65,65,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109462,"usec":741175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.309760,"noise_level":-21.495136,"freq_skew":5.249390,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109463,"usec":486459},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402746,"noise_level":-21.382378,"freq_skew":4.469852,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42422,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[187,66,102,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109465,"usec":770869},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.753232,"noise_level":-20.943773,"freq_skew":5.219460,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109465,"usec":778354},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494774,"noise_level":-20.837908,"freq_skew":4.367567,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWJ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH01YB","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109467,"usec":323958},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.231414,"noise_level":-21.059593,"freq_skew":5.127639,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109468,"usec":111128},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.102558,"noise_level":-20.959660,"freq_skew":5.435645,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[172,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109469,"usec":602422},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.823919,"noise_level":-20.833757,"freq_skew":2.094058,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109469,"usec":612098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327132,"noise_level":-20.738668,"freq_skew":5.444839,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109469,"usec":616908},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.485909,"noise_level":-20.700922,"freq_skew":6.337685,"avlc":{"src":{"addr":"484EE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42630,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[162,80]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109469,"usec":625690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239561,"noise_level":-21.365587,"freq_skew":5.102537,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109470,"usec":380392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.642548,"noise_level":-21.164635,"freq_skew":1.637979,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109471,"usec":121015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165593,"noise_level":-21.105242,"freq_skew":5.092128,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109473,"usec":446942},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685775,"noise_level":-20.710766,"freq_skew":1.986481,"avlc":{"src":{"addr":"44A838","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109473,"usec":452803},"freq":136975000,"burst_len_octets":121,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886661,"noise_level":-21.460457,"freq_skew":5.030430,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N22992","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"UA0181","msg_num":"D22","msg_num_seq":"A","sublabel":"DF","msg_text":"EB0031AA_ N22992 EDDFKDEN1\r\n 50061 0086590957 02515 1750570030W8,JQ123189"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109473,"usec":460390},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836123,"noise_level":-21.701981,"freq_skew":3.284941,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59917,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[178,111]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109474,"usec":205099},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.995170,"noise_level":-21.596956,"freq_skew":5.196035,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109474,"usec":208575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042343,"noise_level":-21.565695,"freq_skew":1.957983,"avlc":{"src":{"addr":"44A838","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-JAX","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"TB078M","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109474,"usec":226258},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673602,"noise_level":-22.450874,"freq_skew":5.245658,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109475,"usec":726862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.821272,"noise_level":-22.292843,"freq_skew":3.854743,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109475,"usec":740608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249806,"noise_level":-22.554090,"freq_skew":5.208848,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109476,"usec":489223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.343810,"noise_level":-22.385014,"freq_skew":5.007954,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109476,"usec":508339},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.095096,"noise_level":-22.506565,"freq_skew":3.367941,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"X3023X","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109482,"usec":593516},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.936722,"noise_level":-22.554234,"freq_skew":4.868765,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109483,"usec":378503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.508649,"noise_level":-22.001102,"freq_skew":2.309510,"avlc":{"src":{"addr":"44022D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109485,"usec":654280},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.290253,"noise_level":-21.685724,"freq_skew":3.195860,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LNL","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"LO0263","msg_num":"M78","msg_num_seq":"A","msg_text":"/EHAM.TI2/024EHAMA687E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109487,"usec":209177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795024,"noise_level":-21.324224,"freq_skew":5.013782,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109490,"usec":991915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.656266,"noise_level":-20.766190,"freq_skew":3.757485,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109490,"usec":995628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433898,"noise_level":-20.709454,"freq_skew":3.985468,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109490,"usec":998131},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782031,"noise_level":-20.671833,"freq_skew":3.868533,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,195,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109492,"usec":557222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278201,"noise_level":-20.340395,"freq_skew":7.918929,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109492,"usec":561287},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339952,"noise_level":-21.268587,"freq_skew":3.854708,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109494,"usec":76581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.435433,"noise_level":-20.846766,"freq_skew":5.098171,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109494,"usec":83447},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081958,"noise_level":-20.789499,"freq_skew":4.992362,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109494,"usec":87762},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664830,"noise_level":-20.751534,"freq_skew":2.185911,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":157,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109497,"usec":874523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731102,"noise_level":-20.796474,"freq_skew":3.772666,"avlc":{"src":{"addr":"4CAD96","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109497,"usec":886882},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364660,"noise_level":-21.467621,"freq_skew":4.009285,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109499,"usec":390340},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482092,"noise_level":-21.784142,"freq_skew":2.414022,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH02AW","msg_num":"212","msg_num_seq":"A","sublabel":"T2","msg_text":"T-3!]U/e0L8[a'`\\46|EDDM","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":28,"ack_required":false,"compression":0,"encoding":0,"app_type":10,"non_acars":{"app_id":"0AT","message":{"text":"EDDM"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109500,"usec":199149},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929427,"noise_level":-21.500813,"freq_skew":4.323496,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109500,"usec":203166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797313,"noise_level":-22.117126,"freq_skew":2.216577,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109502,"usec":479932},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.102263,"noise_level":-22.816942,"freq_skew":4.287220,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109503,"usec":235285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951875,"noise_level":-23.432175,"freq_skew":4.721591,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109503,"usec":249315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785758,"noise_level":-23.278793,"freq_skew":4.326689,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109503,"usec":994081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905719,"noise_level":-23.215675,"freq_skew":5.011446,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109504,"usec":742113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723825,"noise_level":-25.014057,"freq_skew":4.164075,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109504,"usec":761292},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.464325,"noise_level":-24.785038,"freq_skew":0.294683,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LXE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"OS137P","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109504,"usec":768900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.915388,"noise_level":-24.680191,"freq_skew":0.342770,"avlc":{"src":{"addr":"3C6743","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109505,"usec":545945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287903,"noise_level":-25.702736,"freq_skew":3.012274,"avlc":{"src":{"addr":"3C66AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH02AC","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109506,"usec":302274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.352256,"noise_level":-25.509546,"freq_skew":5.076869,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109507,"usec":831288},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575191,"noise_level":-25.394032,"freq_skew":4.187411,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":9.400001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109507,"usec":840968},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909589,"noise_level":-26.472424,"freq_skew":0.085028,"avlc":{"src":{"addr":"3C6743","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZC","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"LH009C","msg_num":"S09","msg_num_seq":"A","msg_text":"0EV095823V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":58,"sec":23}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109508,"usec":583132},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217586,"noise_level":-27.584911,"freq_skew":3.735717,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":27,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":11,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,131,80,84,0,73,65,65]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,131,80,84,0,73,65,65]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109508,"usec":603730},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.980395,"noise_level":-27.178562,"freq_skew":3.187553,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":112,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109509,"usec":339581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890309,"noise_level":-27.079878,"freq_skew":4.024573,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109510,"usec":91725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963832,"noise_level":-27.744175,"freq_skew":3.936060,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109510,"usec":94297},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406063,"noise_level":-27.576324,"freq_skew":1.844022,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[54,66,192,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109510,"usec":862201},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760819,"noise_level":-27.210121,"freq_skew":2.418710,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LIRQ"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":8.500000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109512,"usec":372799},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.280337,"noise_level":-26.320911,"freq_skew":4.439400,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42422,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[247,41,234,246]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42422,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,166,139,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":9,"min":58,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109513,"usec":190814},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666061,"noise_level":-26.222366,"freq_skew":1.061153,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.400001},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109513,"usec":192842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443554,"noise_level":-26.204605,"freq_skew":2.648618,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINV","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08UP","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109513,"usec":195522},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593210,"noise_level":-26.151535,"freq_skew":2.582992,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062726","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,214,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109513,"usec":941692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600296,"noise_level":-26.220398,"freq_skew":4.396620,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109514,"usec":698051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766589,"noise_level":-27.933002,"freq_skew":0.705832,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109515,"usec":475281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759347,"noise_level":-29.422770,"freq_skew":3.838818,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109515,"usec":485191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929218,"noise_level":-29.553280,"freq_skew":4.420040,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109516,"usec":223665},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122545,"noise_level":-29.347029,"freq_skew":3.771410,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54474,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[131,227,51,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109516,"usec":975544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604869,"noise_level":-28.851860,"freq_skew":0.720143,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109516,"usec":980435},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823618,"noise_level":-28.756124,"freq_skew":3.756924,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109516,"usec":984589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708058,"noise_level":-28.685013,"freq_skew":3.236997,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109518,"usec":514449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248379,"noise_level":-28.796745,"freq_skew":2.633407,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109520,"usec":821104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716006,"noise_level":-28.688421,"freq_skew":4.099389,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109522,"usec":342912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.015607,"noise_level":-27.622875,"freq_skew":4.182998,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109523,"usec":851971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886706,"noise_level":-27.256964,"freq_skew":4.027853,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109523,"usec":859751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812026,"noise_level":-27.137608,"freq_skew":2.677771,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109525,"usec":370198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.457775,"noise_level":-26.957062,"freq_skew":2.584406,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109526,"usec":130560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765522,"noise_level":-26.822659,"freq_skew":5.714167,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109529,"usec":213018},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930334,"noise_level":-26.335423,"freq_skew":4.699954,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109529,"usec":978386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869332,"noise_level":-26.384924,"freq_skew":5.301057,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109529,"usec":993541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120292,"noise_level":-26.134928,"freq_skew":2.608740,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109530,"usec":729378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770137,"noise_level":-26.029951,"freq_skew":0.077168,"avlc":{"src":{"addr":"3C6743","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109533,"usec":56072},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637280,"noise_level":-26.651316,"freq_skew":4.727478,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LUB","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"TKJ3TH","msg_num":"S58","msg_num_seq":"A","msg_text":"0EV095846V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":58,"sec":46}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109533,"usec":817478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248344,"noise_level":-26.267626,"freq_skew":5.554457,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109536,"usec":109603},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585292,"noise_level":-25.540600,"freq_skew":6.779292,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5100,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[179,122]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109536,"usec":864976},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640274,"noise_level":-25.265553,"freq_skew":2.523213,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48021,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,102,18,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109537,"usec":622380},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785439,"noise_level":-24.922068,"freq_skew":3.115901,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109538,"usec":360236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112775,"noise_level":-25.924850,"freq_skew":4.450539,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109542,"usec":209023},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550617,"noise_level":-25.893068,"freq_skew":4.019914,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109542,"usec":969056},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516886,"noise_level":-25.507996,"freq_skew":5.227386,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109542,"usec":988232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643911,"noise_level":-25.553467,"freq_skew":5.128767,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109543,"usec":725079},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.162048,"noise_level":-25.278019,"freq_skew":3.291303,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINV","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH08UP","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109544,"usec":497774},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132042,"noise_level":-25.826046,"freq_skew":5.507526,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N22992","mode":"2","label":"49","blk_id":"7","ack":"!","flight":"UA0181","msg_num":"M76","msg_num_seq":"A","msg_text":"01ICCLUAL181 /150959EDDFKDEN\r\n+ 4934235.9+ 21.3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109545,"usec":251848},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.013395,"noise_level":-25.492779,"freq_skew":5.000400,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109546,"usec":15698},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.215545,"noise_level":-25.203390,"freq_skew":5.081655,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109546,"usec":805152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229034,"noise_level":-25.302744,"freq_skew":2.085442,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109548,"usec":344580},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783758,"noise_level":-24.391758,"freq_skew":5.251872,"avlc":{"src":{"addr":"4D012F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109549,"usec":850615},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011688,"noise_level":-24.815716,"freq_skew":4.203702,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINC","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH001A","msg_num":"D40","msg_num_seq":"J","sublabel":"DF","msg_text":"4C064,-----,-----,-----,XXXXX/AE3B064,-----,-----,-----,XXXXX/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109550,"usec":610763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960641,"noise_level":-25.397596,"freq_skew":4.197807,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109551,"usec":363660},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762274,"noise_level":-25.256020,"freq_skew":8.049084,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109552,"usec":873744},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021177,"noise_level":-24.656754,"freq_skew":1.857733,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"LH053F","msg_num":"S87","msg_num_seq":"A","msg_text":"0EV095906V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":59,"sec":6}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109552,"usec":873744},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.021177,"noise_level":-24.656754,"freq_skew":1.857733,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":158,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":2,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109552,"usec":889595},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361937,"noise_level":-25.636635,"freq_skew":4.262997,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":224,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109553,"usec":683633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216976,"noise_level":-25.423206,"freq_skew":1.927036,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109554,"usec":438809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.068662,"noise_level":-25.073557,"freq_skew":4.097512,"avlc":{"src":{"addr":"4408C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109555,"usec":192550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.235861,"noise_level":-24.471788,"freq_skew":3.971525,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109556,"usec":726719},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.478240,"noise_level":-25.904715,"freq_skew":1.885818,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109558,"usec":249373},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497759,"noise_level":-25.208635,"freq_skew":3.907255,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109559,"usec":742865},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835289,"noise_level":-24.686697,"freq_skew":2.667828,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":301,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109563,"usec":590393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296929,"noise_level":-24.181242,"freq_skew":1.943148,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":163,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109565,"usec":113547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.694572,"noise_level":-23.453533,"freq_skew":3.869183,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109565,"usec":114889},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364290,"noise_level":-23.440617,"freq_skew":5.212338,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[31,195]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109565,"usec":874317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644989,"noise_level":-23.049416,"freq_skew":2.710716,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109572,"usec":5004},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804234,"noise_level":-21.395853,"freq_skew":3.889827,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109575,"usec":61587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677274,"noise_level":-22.643909,"freq_skew":3.906849,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42458,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[27,75,7,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109577,"usec":352235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934165,"noise_level":-23.225868,"freq_skew":2.359992,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109578,"usec":102904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794934,"noise_level":-23.774719,"freq_skew":2.028299,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109578,"usec":103542},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757085,"noise_level":-23.774719,"freq_skew":2.424934,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42600,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[242,195,191,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109579,"usec":627402},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.287502,"noise_level":-24.345222,"freq_skew":3.414247,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109581,"usec":185898},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751606,"noise_level":-23.643768,"freq_skew":2.487179,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42600,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[242,195,191,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109581,"usec":205086},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101398,"noise_level":-24.324795,"freq_skew":3.218920,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109581,"usec":955903},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.605388,"noise_level":-24.043577,"freq_skew":5.295034,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109584,"usec":986836},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.647917,"noise_level":-22.771683,"freq_skew":3.102120,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47884,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[249,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109586,"usec":516876},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601919,"noise_level":-22.082687,"freq_skew":5.282274,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"_d","blk_id":"2","ack":"E","flight":"EN03LT","msg_num":"M17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109588,"usec":816586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902961,"noise_level":-21.526796,"freq_skew":3.109590,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109589,"usec":572119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404165,"noise_level":-22.786625,"freq_skew":3.452288,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109591,"usec":91424},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964987,"noise_level":-22.401749,"freq_skew":1.515258,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109592,"usec":638559},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831802,"noise_level":-22.012444,"freq_skew":2.205092,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUK","mode":"2","label":"_d","blk_id":"6","ack":"N","flight":"LH02AW","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109597,"usec":227628},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093563,"noise_level":-22.346180,"freq_skew":5.340276,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"EN03LT","msg_num":"M19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109597,"usec":229501},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.985426,"noise_level":-22.334806,"freq_skew":3.277619,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109598,"usec":734971},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453531,"noise_level":-21.848619,"freq_skew":3.668398,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42621,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[144,60,223,171]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42621,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[137,204,110,238]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109598,"usec":749734},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956627,"noise_level":-22.311932,"freq_skew":5.378287,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"EN03LT","msg_num":"M20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109599,"usec":510505},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385017,"noise_level":-22.143547,"freq_skew":5.112056,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":236,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109600,"usec":239990},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403169,"noise_level":-21.978369,"freq_skew":5.378572,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[96,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109601,"usec":47805},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296156,"noise_level":-21.731043,"freq_skew":4.058877,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":8.400001},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109601,"usec":49600},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948171,"noise_level":-22.690102,"freq_skew":4.054632,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48012,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,80,107,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109603,"usec":345643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204931,"noise_level":-21.812504,"freq_skew":3.981195,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109607,"usec":172358},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.130648,"noise_level":-21.272717,"freq_skew":2.508094,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":98,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59959,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[221,28]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109607,"usec":944850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.382514,"noise_level":-20.956718,"freq_skew":3.161155,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109608,"usec":694535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127053,"noise_level":-20.764902,"freq_skew":5.111676,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109608,"usec":705117},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.421587,"noise_level":-20.670563,"freq_skew":3.870093,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109609,"usec":447806},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365252,"noise_level":-20.623770,"freq_skew":4.228066,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":8.400001},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109610,"usec":983432},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.663656,"noise_level":-20.785629,"freq_skew":2.279654,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"UA0885","msg_num":"M80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109612,"usec":503182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.761964,"noise_level":-20.803661,"freq_skew":3.670037,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109612,"usec":503423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298440,"noise_level":-20.803661,"freq_skew":2.230415,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109612,"usec":504120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065341,"noise_level":-21.093842,"freq_skew":5.292867,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109614,"usec":20419},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.700190,"noise_level":-21.138439,"freq_skew":3.632243,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":42621,"variable_part_params":[{"name":"atn_checksum","value":[223,132,190,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109616,"usec":333224},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678672,"noise_level":-20.967251,"freq_skew":4.339558,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LUB","mode":"2","label":"_d","blk_id":"8","ack":"L","flight":"TKJ3TH","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109617,"usec":106687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.475962,"noise_level":-21.398336,"freq_skew":2.461540,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109617,"usec":861127},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.378217,"noise_level":-21.478365,"freq_skew":3.144125,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":120,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":13,"dst_ref":47884,"variable_part_params":[{"name":"checksum","value":[186,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109618,"usec":607084},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.388854,"noise_level":-21.375996,"freq_skew":5.076335,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[147,142]},{"name":"atn_checksum","value":[149,220,58,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109619,"usec":383843},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387702,"noise_level":-21.430702,"freq_skew":7.905055,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":13,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109620,"usec":144184},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545411,"noise_level":-21.266491,"freq_skew":3.368701,"avlc":{"src":{"addr":"4B906C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAI"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":13.800000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109620,"usec":935257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.467322,"noise_level":-21.581062,"freq_skew":0.207972,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109622,"usec":448046},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.030873,"noise_level":-21.856739,"freq_skew":2.163441,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109622,"usec":467405},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981594,"noise_level":-21.654739,"freq_skew":0.501272,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109623,"usec":973001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.576969,"noise_level":-22.304855,"freq_skew":2.657167,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109626,"usec":246752},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200334,"noise_level":-21.484129,"freq_skew":5.095620,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SK1830","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109626,"usec":246752},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.200334,"noise_level":-21.484129,"freq_skew":5.095620,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,76,173,145,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109627,"usec":13373},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690624,"noise_level":-22.378769,"freq_skew":5.309397,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109627,"usec":817434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632030,"noise_level":-22.119946,"freq_skew":4.160508,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109628,"usec":564399},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.423682,"noise_level":-22.484322,"freq_skew":3.540353,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109630,"usec":857839},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.179610,"noise_level":-21.788090,"freq_skew":5.186656,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109631,"usec":607486},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483413,"noise_level":-21.629475,"freq_skew":5.189452,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":347,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109633,"usec":881035},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911245,"noise_level":-20.867535,"freq_skew":4.084624,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":207,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109633,"usec":881949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861868,"noise_level":-20.867535,"freq_skew":2.455102,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109634,"usec":678430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.722768,"noise_level":-21.884140,"freq_skew":3.369811,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109634,"usec":689053},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390004,"noise_level":-22.274929,"freq_skew":4.042282,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"PC81WP","msg_num":"M65","msg_num_seq":"A","msg_text":"PC81WP/15JUL26 10:00:27,38002,1114, 169,N 51.243 E 8.422"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109634,"usec":694011},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721725,"noise_level":-23.154930,"freq_skew":4.042389,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109635,"usec":456597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530867,"noise_level":-23.006481,"freq_skew":3.964046,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109636,"usec":205655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.533483,"noise_level":-23.849236,"freq_skew":3.454804,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109636,"usec":956031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.296937,"noise_level":-23.543499,"freq_skew":2.270231,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109636,"usec":970336},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.613994,"noise_level":-23.375338,"freq_skew":3.538582,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109637,"usec":716712},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.484998,"noise_level":-23.197807,"freq_skew":3.690084,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46030,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[126,148,36,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109640,"usec":12427},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928456,"noise_level":-23.896393,"freq_skew":4.909683,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":42672,"variable_part_params":[{"name":"checksum","value":[166,114]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109642,"usec":330339},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250092,"noise_level":-23.005108,"freq_skew":3.966418,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59993,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,117,35,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109643,"usec":96265},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855855,"noise_level":-23.620701,"freq_skew":3.887004,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47945,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,221,115,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109643,"usec":849475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558237,"noise_level":-23.322769,"freq_skew":4.712678,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109645,"usec":363198},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.136644,"noise_level":-22.755919,"freq_skew":3.616173,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46030,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[126,148,36,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109650,"usec":741073},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.634427,"noise_level":-21.006519,"freq_skew":3.048770,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7472,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59917,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[213,248]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109651,"usec":484100},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.574924,"noise_level":-20.823156,"freq_skew":2.146470,"avlc":{"src":{"addr":"44022D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109656,"usec":849288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885444,"noise_level":-20.015091,"freq_skew":2.078500,"avlc":{"src":{"addr":"44022D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109659,"usec":105432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.501447,"noise_level":-22.404287,"freq_skew":3.837732,"avlc":{"src":{"addr":"4CADC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109659,"usec":122277},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749096,"noise_level":-22.222898,"freq_skew":2.356732,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109659,"usec":861873},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428734,"noise_level":-23.261929,"freq_skew":4.227025,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42674,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[69,234,104,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109660,"usec":638376},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796595,"noise_level":-23.652664,"freq_skew":5.246182,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,65,83,0,76,173,145,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":350,"segment_offset":0,"pdu_total_len":90},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":61,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[148,92]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109662,"usec":964626},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548431,"noise_level":-23.505316,"freq_skew":3.930357,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[70,47,12,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109663,"usec":710817},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814765,"noise_level":-24.350567,"freq_skew":3.962221,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42693,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[166,97,219,63]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3958377,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"DLH1454","long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,102,105],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,102,105],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDF","destination_airport":"LATI"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109663,"usec":728158},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109811,"noise_level":-24.152184,"freq_skew":4.932845,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109665,"usec":239420},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.822144,"noise_level":-24.755138,"freq_skew":5.787489,"avlc":{"src":{"addr":"4CAE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":11.300000},"alt":38000}},{"name":"alternate_ground_stations","value":["10911A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109665,"usec":982500},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.809560,"noise_level":-25.054863,"freq_skew":5.284882,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"ESGG"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.300000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109665,"usec":986208},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.315504,"noise_level":-24.992908,"freq_skew":4.748410,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109666,"usec":743036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959578,"noise_level":-24.630182,"freq_skew":0.357875,"avlc":{"src":{"addr":"3C6743","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109668,"usec":318518},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358185,"noise_level":-24.325974,"freq_skew":5.765344,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109669,"usec":80237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177471,"noise_level":-23.989544,"freq_skew":3.852612,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109669,"usec":820881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346911,"noise_level":-24.894058,"freq_skew":4.158945,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109669,"usec":832831},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641740,"noise_level":-24.727812,"freq_skew":3.858646,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42693,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[185,206,7,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109670,"usec":578456},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744293,"noise_level":-24.520725,"freq_skew":4.176958,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":42694,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[92,176,155,49]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109672,"usec":96863},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026636,"noise_level":-23.913895,"freq_skew":5.663617,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4725,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[31,195]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109672,"usec":867312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424922,"noise_level":-23.423660,"freq_skew":1.569599,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109674,"usec":390593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286407,"noise_level":-22.862469,"freq_skew":4.138647,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109674,"usec":392069},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125102,"noise_level":-23.826660,"freq_skew":5.088500,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,65,83,0,76,173,145,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,65,84,0,1,86,86,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":351,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":62,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[80,199]},{"name":"atn_checksum","value":[71,241,84,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109674,"usec":397490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.547233,"noise_level":-24.005423,"freq_skew":2.977654,"avlc":{"src":{"addr":"4064BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109676,"usec":695747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545777,"noise_level":-24.304026,"freq_skew":2.046589,"avlc":{"src":{"addr":"44A838","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109676,"usec":704725},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682342,"noise_level":-24.190712,"freq_skew":5.042942,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109676,"usec":706643},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502881,"noise_level":-24.330040,"freq_skew":2.305231,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42600,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[152,182,206,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109677,"usec":460908},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230800,"noise_level":-24.804951,"freq_skew":5.202295,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109678,"usec":975271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064350,"noise_level":-24.192707,"freq_skew":5.139296,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109678,"usec":988453},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549041,"noise_level":-24.011631,"freq_skew":4.002067,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42694,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[219,1,7,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109679,"usec":733530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908549,"noise_level":-23.820753,"freq_skew":5.966905,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109680,"usec":501487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867962,"noise_level":-23.412460,"freq_skew":7.894289,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109681,"usec":313052},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709034,"noise_level":-22.985672,"freq_skew":4.154990,"avlc":{"src":{"addr":"43E9C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..MURAL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XA0001","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109682,"usec":58633},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.997586,"noise_level":-22.803852,"freq_skew":5.011448,"avlc":{"src":{"addr":"4D24D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":57,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":8,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109682,"usec":822802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063813,"noise_level":-22.543884,"freq_skew":4.606378,"avlc":{"src":{"addr":"4BC8CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109682,"usec":834878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456732,"noise_level":-22.416761,"freq_skew":4.099306,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109683,"usec":582680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121909,"noise_level":-23.006954,"freq_skew":4.112010,"avlc":{"src":{"addr":"43E9C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109685,"usec":102856},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.594127,"noise_level":-23.399849,"freq_skew":5.097081,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46088,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[191,226,67,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109686,"usec":613132},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538039,"noise_level":-24.056501,"freq_skew":5.897437,"avlc":{"src":{"addr":"4CAE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR68NX","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109687,"usec":371153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.170737,"noise_level":-23.703508,"freq_skew":5.636783,"avlc":{"src":{"addr":"4CAE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109687,"usec":383568},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669575,"noise_level":-23.745399,"freq_skew":4.528503,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109687,"usec":391063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.586143,"noise_level":-24.651297,"freq_skew":4.540132,"avlc":{"src":{"addr":"4BC8CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109688,"usec":954912},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707989,"noise_level":-24.345848,"freq_skew":5.151675,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"dst_airport","value":"ESGG"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.300000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109689,"usec":690888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771878,"noise_level":-24.288734,"freq_skew":6.626261,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109691,"usec":217241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.103816,"noise_level":-23.539272,"freq_skew":2.744088,"avlc":{"src":{"addr":"4064BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109691,"usec":220470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870870,"noise_level":-23.500195,"freq_skew":5.705907,"avlc":{"src":{"addr":"4CAE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109691,"usec":969420},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322811,"noise_level":-23.269350,"freq_skew":3.882469,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":177,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109692,"usec":733119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726062,"noise_level":-22.983036,"freq_skew":3.919333,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109694,"usec":241089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.476960,"noise_level":-25.402109,"freq_skew":4.785956,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"LH46LM","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109694,"usec":245651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.816435,"noise_level":-25.611969,"freq_skew":5.251423,"avlc":{"src":{"addr":"4D012F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109694,"usec":252758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675994,"noise_level":-25.513092,"freq_skew":3.613835,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109695,"usec":822978},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664548,"noise_level":-24.715195,"freq_skew":4.236640,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":457,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":5,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109697,"usec":325972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.768020,"noise_level":-24.660835,"freq_skew":3.819151,"avlc":{"src":{"addr":"3C48EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109697,"usec":329274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.231959,"noise_level":-24.616385,"freq_skew":2.946014,"avlc":{"src":{"addr":"4064BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109699,"usec":598844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.852060,"noise_level":-24.694286,"freq_skew":3.910177,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109700,"usec":365632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142076,"noise_level":-24.372265,"freq_skew":3.727030,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109700,"usec":365880},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898889,"noise_level":-24.945370,"freq_skew":5.064651,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-COR","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XC06ZN","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109700,"usec":377023},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702812,"noise_level":-25.674377,"freq_skew":5.286831,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109700,"usec":377469},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745595,"noise_level":-25.674377,"freq_skew":3.525003,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54474,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[131,227,51,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109701,"usec":121911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.529537,"noise_level":-25.427521,"freq_skew":3.459267,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109701,"usec":135735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.332520,"noise_level":-25.219109,"freq_skew":4.347628,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109701,"usec":144699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499340,"noise_level":-25.570560,"freq_skew":3.102324,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109704,"usec":969282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.576634,"noise_level":-23.936443,"freq_skew":4.579844,"avlc":{"src":{"addr":"4BB84C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109707,"usec":241065},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372547,"noise_level":-22.906685,"freq_skew":0.322492,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59999,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[24,118,43,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109708,"usec":1150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302458,"noise_level":-22.643665,"freq_skew":0.439888,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109708,"usec":822736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.518290,"noise_level":-22.107105,"freq_skew":1.519430,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109711,"usec":851629},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329997,"noise_level":-22.006166,"freq_skew":5.575124,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[96,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109712,"usec":601706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673908,"noise_level":-22.079052,"freq_skew":4.273603,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109714,"usec":870632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353153,"noise_level":-21.461504,"freq_skew":2.448665,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109717,"usec":208714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721148,"noise_level":-20.563965,"freq_skew":3.523684,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109720,"usec":229822},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719362,"noise_level":-22.051231,"freq_skew":3.803776,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":238,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109721,"usec":5011},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.012646,"noise_level":-21.909399,"freq_skew":0.262726,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60000,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[164,34,77,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":1,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109722,"usec":553430},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673136,"noise_level":-21.768705,"freq_skew":3.687740,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109724,"usec":84414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.292946,"noise_level":-21.183901,"freq_skew":3.775262,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109724,"usec":836150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.453274,"noise_level":-21.024302,"freq_skew":5.012614,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109726,"usec":370399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.640688,"noise_level":-20.402098,"freq_skew":5.068845,"avlc":{"src":{"addr":"4D24D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109727,"usec":876951},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620018,"noise_level":-20.123404,"freq_skew":5.068345,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":5}},{"name":"dst_airport","value":"ESGG"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.300000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109728,"usec":677150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038886,"noise_level":-20.912027,"freq_skew":0.480119,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109730,"usec":972275},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.222839,"noise_level":-20.234844,"freq_skew":2.600470,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59959,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[221,28]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109731,"usec":734571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090047,"noise_level":-19.979826,"freq_skew":2.277297,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109732,"usec":488739},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877169,"noise_level":-20.048372,"freq_skew":2.986865,"avlc":{"src":{"addr":"4064BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109733,"usec":993696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.455746,"noise_level":-20.660400,"freq_skew":4.285241,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109734,"usec":768688},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.407516,"noise_level":-20.401863,"freq_skew":4.183175,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59926,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,146,30,188]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":2,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109736,"usec":311159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.579544,"noise_level":-20.042189,"freq_skew":1.717201,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109737,"usec":92265},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269625,"noise_level":-19.801170,"freq_skew":1.706758,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109737,"usec":92816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043081,"noise_level":-19.801170,"freq_skew":2.167329,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109740,"usec":873110},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956460,"noise_level":-21.071087,"freq_skew":4.209137,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109749,"usec":314873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.306059,"noise_level":-20.678776,"freq_skew":2.150450,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109750,"usec":825129},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.727844,"noise_level":-21.161386,"freq_skew":1.920453,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[214,26,184,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":101052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.333887,"noise_level":-20.383165,"freq_skew":4.399230,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":102438},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.529481,"noise_level":-20.374090,"freq_skew":3.277147,"avlc":{"src":{"addr":"4B906C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":112698},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243546,"noise_level":-20.292856,"freq_skew":4.935881,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,65,83,0,76,173,145,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,77,77,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":356,"segment_offset":0,"pdu_total_len":90},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":60,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[153,88]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":116568},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729998,"noise_level":-20.274908,"freq_skew":5.030345,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"ESGG"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":11.300000},"alt":36000}},{"name":"alternate_ground_stations","value":["10F68A","10910A","10924A","10F69A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":860584},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499452,"noise_level":-20.929817,"freq_skew":1.981897,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[214,26,184,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109753,"usec":867638},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.561790,"noise_level":-21.049824,"freq_skew":2.095169,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[54,66,192,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109755,"usec":371771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.478494,"noise_level":-21.878939,"freq_skew":2.140119,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109756,"usec":179792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309891,"noise_level":-21.655384,"freq_skew":2.343784,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109756,"usec":942796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.957677,"noise_level":-21.396534,"freq_skew":3.393884,"avlc":{"src":{"addr":"4B906C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109757,"usec":702524},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349678,"noise_level":-21.293919,"freq_skew":5.683064,"avlc":{"src":{"addr":"4CAE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":270,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[224,63]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109759,"usec":971950},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924352,"noise_level":-20.541157,"freq_skew":4.166353,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48085,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[40,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109760,"usec":748470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.133325,"noise_level":-21.520779,"freq_skew":3.447477,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109761,"usec":507615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108809,"noise_level":-21.245781,"freq_skew":4.056781,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109765,"usec":330644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.593052,"noise_level":-20.092674,"freq_skew":3.732595,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109765,"usec":333907},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.464221,"noise_level":-19.996635,"freq_skew":3.666305,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46092,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[44,51]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109765,"usec":333907},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.464221,"noise_level":-19.996635,"freq_skew":3.666305,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46092,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[63,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109770,"usec":691886},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967628,"noise_level":-20.248859,"freq_skew":3.640355,"avlc":{"src":{"addr":"342581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[178,68]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109772,"usec":221801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.068368,"noise_level":-21.312721,"freq_skew":3.871697,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109773,"usec":732444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543980,"noise_level":-21.996668,"freq_skew":4.581933,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109773,"usec":736033},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624655,"noise_level":-22.074322,"freq_skew":5.228924,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGI","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FR04TR","msg_num":"M42","msg_num_seq":"A","msg_text":"100056,35999,1135, 134,N 46.898 E 11.387"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109776,"usec":51328},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461752,"noise_level":-23.978943,"freq_skew":5.124586,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3305,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":3,"credit_offered":4,"credit_avail":3,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109776,"usec":818776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103368,"noise_level":-23.681950,"freq_skew":5.417298,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRM","mode":"2","label":"_d","blk_id":"2","ack":"A","flight":"LH07VV","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109776,"usec":830922},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839346,"noise_level":-23.975916,"freq_skew":5.091194,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109779,"usec":94036},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603152,"noise_level":-23.784389,"freq_skew":5.224089,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109779,"usec":108167},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610717,"noise_level":-23.598389,"freq_skew":5.006886,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126673","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,187,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109780,"usec":629249},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544456,"noise_level":-22.964848,"freq_skew":5.065245,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109782,"usec":948108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806977,"noise_level":-22.789137,"freq_skew":5.276198,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109785,"usec":224588},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517579,"noise_level":-23.042446,"freq_skew":0.428530,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109785,"usec":967462},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.447893,"noise_level":-22.920017,"freq_skew":0.396176,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60000,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,164,204,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":3,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109786,"usec":716899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640339,"noise_level":-22.656601,"freq_skew":4.979529,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109787,"usec":492791},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186152,"noise_level":-22.253326,"freq_skew":1.462096,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109787,"usec":495931},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.404014,"noise_level":-22.219618,"freq_skew":0.596098,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60000,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[88,225,138,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109787,"usec":497606},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611814,"noise_level":-22.208408,"freq_skew":5.215851,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,173,187,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109788,"usec":246227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.241899,"noise_level":-22.455486,"freq_skew":3.173374,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109789,"usec":14422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.242090,"noise_level":-22.061237,"freq_skew":3.126993,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109791,"usec":334241},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.179892,"noise_level":-21.252159,"freq_skew":4.709543,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":207,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,68,87,0,75,22,32],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109792,"usec":84042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.332568,"noise_level":-21.093100,"freq_skew":4.661183,"avlc":{"src":{"addr":"500213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109792,"usec":89989},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.193709,"noise_level":-21.034193,"freq_skew":4.661869,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109792,"usec":839893},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211060,"noise_level":-20.907919,"freq_skew":1.458030,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109797,"usec":439752},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813446,"noise_level":-20.753641,"freq_skew":5.100218,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2113,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54454,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[37,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109798,"usec":195751},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694901,"noise_level":-20.961905,"freq_skew":2.090683,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109799,"usec":734623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210944,"noise_level":-22.581331,"freq_skew":5.021160,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109801,"usec":245052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221009,"noise_level":-22.359478,"freq_skew":5.166813,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109803,"usec":560444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842028,"noise_level":-21.880142,"freq_skew":4.472485,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109803,"usec":573126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376257,"noise_level":-21.794289,"freq_skew":5.018925,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109805,"usec":843990},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923801,"noise_level":-21.637226,"freq_skew":5.066946,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109807,"usec":370435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326258,"noise_level":-21.049290,"freq_skew":5.027429,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"X308GT","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109808,"usec":888105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899528,"noise_level":-21.503628,"freq_skew":4.609143,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109809,"usec":642135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667786,"noise_level":-21.485369,"freq_skew":5.317718,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109810,"usec":456293},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778313,"noise_level":-21.282379,"freq_skew":5.100520,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":11.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109811,"usec":956413},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836069,"noise_level":-20.946644,"freq_skew":4.905630,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044661","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,73,177,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109811,"usec":967529},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249239,"noise_level":-21.707621,"freq_skew":6.624750,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPI","mode":"2","label":"_d","blk_id":"1","ack":"H","flight":"XQ06SD","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109812,"usec":716950},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623043,"noise_level":-21.682236,"freq_skew":4.364692,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWJ","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"LH01YB","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109812,"usec":725214},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.554957,"noise_level":-21.556643,"freq_skew":3.140302,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109813,"usec":474192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.413125,"noise_level":-21.504843,"freq_skew":5.048743,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109814,"usec":250793},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.692659,"noise_level":-22.496426,"freq_skew":4.736943,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109816,"usec":556575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623465,"noise_level":-21.806698,"freq_skew":4.110569,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109816,"usec":571076},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751796,"noise_level":-21.658253,"freq_skew":2.953110,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":6.000000},"alt":255000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109818,"usec":76244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.002775,"noise_level":-22.584047,"freq_skew":4.850407,"avlc":{"src":{"addr":"4BB84C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109819,"usec":596717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.848914,"noise_level":-22.833076,"freq_skew":2.873995,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N792UA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"UA0932","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109819,"usec":603822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516005,"noise_level":-22.749231,"freq_skew":2.009852,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109819,"usec":615105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304943,"noise_level":-22.619091,"freq_skew":3.068872,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109821,"usec":881984},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942308,"noise_level":-23.084909,"freq_skew":3.116729,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N792UA","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"UA0932","msg_num":"S16","msg_num_seq":"A","msg_text":"0E21003402S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":3,"sec":40}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109823,"usec":426456},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.383272,"noise_level":-23.370106,"freq_skew":4.670401,"avlc":{"src":{"addr":"500213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109826,"usec":486091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902732,"noise_level":-21.901192,"freq_skew":3.117962,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109827,"usec":994804},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068075,"noise_level":-22.128172,"freq_skew":4.567894,"avlc":{"src":{"addr":"4D227F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59979,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[125,100]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109830,"usec":300390},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756237,"noise_level":-21.485615,"freq_skew":4.979470,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":11.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109840,"usec":217139},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.842204,"noise_level":-19.928211,"freq_skew":4.368333,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109842,"usec":500951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489190,"noise_level":-20.886555,"freq_skew":5.061250,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109842,"usec":506084},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653146,"noise_level":-21.357307,"freq_skew":5.259747,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR04TR","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109843,"usec":321303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720887,"noise_level":-21.449619,"freq_skew":6.676223,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109845,"usec":573212},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.294461,"noise_level":-20.923004,"freq_skew":3.983803,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46092,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[59,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109845,"usec":590381},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.928163,"noise_level":-20.803017,"freq_skew":4.285941,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"BA0628","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109847,"usec":97647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.974121,"noise_level":-20.448874,"freq_skew":4.325170,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109847,"usec":99310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535200,"noise_level":-20.430599,"freq_skew":4.395555,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109847,"usec":103511},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.440292,"noise_level":-20.394163,"freq_skew":3.992141,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":86,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46092,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[188,125]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":4,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109847,"usec":109830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714051,"noise_level":-20.348837,"freq_skew":4.487952,"avlc":{"src":{"addr":"500213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109849,"usec":388343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388386,"noise_level":-20.624844,"freq_skew":3.896838,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109850,"usec":129910},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.622702,"noise_level":-20.385490,"freq_skew":4.216547,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109852,"usec":452308},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739031,"noise_level":-20.900200,"freq_skew":5.238967,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,173,187,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109852,"usec":472610},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966216,"noise_level":-20.747398,"freq_skew":5.104239,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109853,"usec":214522},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.849742,"noise_level":-20.662615,"freq_skew":4.487681,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109855,"usec":493292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758295,"noise_level":-19.977861,"freq_skew":5.226615,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109857,"usec":829728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108979,"noise_level":-19.879005,"freq_skew":3.140023,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109861,"usec":610668},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784710,"noise_level":-20.308647,"freq_skew":4.244125,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109862,"usec":384143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829504,"noise_level":-19.955900,"freq_skew":5.046478,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109863,"usec":146559},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.863791,"noise_level":-19.750927,"freq_skew":5.118552,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109866,"usec":208574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587624,"noise_level":-19.786760,"freq_skew":5.256722,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109866,"usec":211253},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047753,"noise_level":-20.058279,"freq_skew":3.051322,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109866,"usec":983064},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942586,"noise_level":-19.791344,"freq_skew":4.054238,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYJ","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"BA0628","msg_num":"S01","msg_num_seq":"A","msg_text":"0EV100417V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":4,"sec":17}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109868,"usec":490505},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172564,"noise_level":-19.692638,"freq_skew":4.447819,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109868,"usec":490505},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.172564,"noise_level":-19.692638,"freq_skew":4.447819,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109870,"usec":32561},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.284014,"noise_level":-19.275244,"freq_skew":4.356055,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109872,"usec":321747},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.699201,"noise_level":-18.876989,"freq_skew":4.246919,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109873,"usec":82362},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128879,"noise_level":-18.576929,"freq_skew":4.418598,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109877,"usec":707594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.596774,"noise_level":-18.698704,"freq_skew":4.280840,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109879,"usec":201222},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085723,"noise_level":-18.601429,"freq_skew":4.207971,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109881,"usec":494208},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435950,"noise_level":-20.751766,"freq_skew":3.926580,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109882,"usec":996456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.889125,"noise_level":-21.510736,"freq_skew":4.558594,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109884,"usec":562735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208299,"noise_level":-20.998970,"freq_skew":4.289317,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109884,"usec":584448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890345,"noise_level":-21.078625,"freq_skew":5.059120,"avlc":{"src":{"addr":"4D012F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109888,"usec":384411},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525133,"noise_level":-21.896698,"freq_skew":3.296834,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127162","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,89,90,82,0,76,174,114,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109889,"usec":135104},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.044252,"noise_level":-23.621914,"freq_skew":1.920644,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109889,"usec":885295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614584,"noise_level":-23.362232,"freq_skew":3.018479,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109889,"usec":892134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026634,"noise_level":-23.585089,"freq_skew":2.510787,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109895,"usec":985984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087952,"noise_level":-22.622295,"freq_skew":3.868023,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109895,"usec":991959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.119319,"noise_level":-22.401917,"freq_skew":5.020308,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCA","mode":"2","label":"Q6","blk_id":"1","ack":"!","flight":"SK1830","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109896,"usec":763990},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.864931,"noise_level":-22.220575,"freq_skew":2.003486,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109899,"usec":72592},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.999187,"noise_level":-21.530857,"freq_skew":4.233297,"avlc":{"src":{"addr":"43E9C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..MURAL","mode":"2","label":"83","blk_id":"6","ack":"!","flight":"XA0001","msg_num":"M03","msg_num_seq":"A","msg_text":"001PR15100454N4912.5E00630.2140362 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109899,"usec":849105},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086157,"noise_level":-21.275639,"freq_skew":5.179328,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCA","mode":"2","label":"Q6","blk_id":"1","ack":"!","flight":"SK1830","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109901,"usec":354084},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465854,"noise_level":-21.447565,"freq_skew":3.987000,"avlc":{"src":{"addr":"3C6517","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"KJFK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109901,"usec":371242},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653652,"noise_level":-22.319084,"freq_skew":3.926024,"avlc":{"src":{"addr":"3C6517","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH0400","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109902,"usec":870590},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311171,"noise_level":-22.018063,"freq_skew":1.164869,"avlc":{"src":{"addr":"4CA5C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":8.400001},"alt":12000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109902,"usec":885176},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620619,"noise_level":-22.270817,"freq_skew":4.467141,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109902,"usec":894431},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076289,"noise_level":-23.207285,"freq_skew":3.079549,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17070313","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,67,0,60,112,203,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109903,"usec":646770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466291,"noise_level":-23.008526,"freq_skew":1.175477,"avlc":{"src":{"addr":"4CA5C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109905,"usec":200554},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805058,"noise_level":-23.261356,"freq_skew":5.016379,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCA","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"SK1830","msg_num":"S95","msg_num_seq":"A","msg_text":"0EV100504V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":5,"sec":4}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109905,"usec":959296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767419,"noise_level":-22.963078,"freq_skew":2.952037,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109906,"usec":732677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862808,"noise_level":-23.659945,"freq_skew":4.419987,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109908,"usec":249370},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061246,"noise_level":-24.153973,"freq_skew":4.727874,"avlc":{"src":{"addr":"4BB84C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109908,"usec":987096},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.624094,"noise_level":-23.946285,"freq_skew":4.078629,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109910,"usec":519988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399602,"noise_level":-24.449108,"freq_skew":1.068560,"avlc":{"src":{"addr":"4CA5C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109911,"usec":329737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243439,"noise_level":-25.265038,"freq_skew":4.161869,"avlc":{"src":{"addr":"4D227F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109912,"usec":832941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.934062,"noise_level":-24.680044,"freq_skew":7.147164,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109915,"usec":103642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814078,"noise_level":-25.633299,"freq_skew":4.589927,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109916,"usec":650204},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419678,"noise_level":-25.814838,"freq_skew":2.599258,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59959,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[221,28]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109918,"usec":206697},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265943,"noise_level":-25.775276,"freq_skew":6.103921,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.300000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109920,"usec":485155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.002192,"noise_level":-26.469507,"freq_skew":4.239381,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109921,"usec":238646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.429074,"noise_level":-27.040028,"freq_skew":3.962595,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109921,"usec":993541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133295,"noise_level":-26.639177,"freq_skew":5.120378,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109922,"usec":3002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.559363,"noise_level":-26.472891,"freq_skew":2.821556,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109922,"usec":3263},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.305774,"noise_level":-26.472891,"freq_skew":3.773425,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52276,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[122,103]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":4,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109922,"usec":760038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389742,"noise_level":-25.992317,"freq_skew":3.187236,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109929,"usec":616553},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.641279,"noise_level":-23.307652,"freq_skew":4.595702,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109930,"usec":402257},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120581,"noise_level":-23.171345,"freq_skew":5.123320,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":21,"diag_code_descr":"Packet type invalid for state p2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109932,"usec":724031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523118,"noise_level":-24.316784,"freq_skew":4.293442,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109932,"usec":724365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776003,"noise_level":-24.316784,"freq_skew":5.036652,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109933,"usec":484556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250356,"noise_level":-24.276083,"freq_skew":6.111944,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109938,"usec":27389},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300151,"noise_level":-24.503986,"freq_skew":4.227827,"avlc":{"src":{"addr":"4D227F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5826,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109939,"usec":585594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.140641,"noise_level":-24.105251,"freq_skew":3.634930,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109940,"usec":335137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.579194,"noise_level":-23.830944,"freq_skew":1.875142,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109940,"usec":341669},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619031,"noise_level":-23.710274,"freq_skew":3.171603,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109941,"usec":860555},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675884,"noise_level":-23.834276,"freq_skew":3.855000,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109941,"usec":877885},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319870,"noise_level":-23.893875,"freq_skew":4.268777,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109941,"usec":882050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504114,"noise_level":-23.839649,"freq_skew":6.271816,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109942,"usec":626075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053737,"noise_level":-24.486031,"freq_skew":3.211207,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109944,"usec":963250},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417969,"noise_level":-24.311039,"freq_skew":5.261300,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109945,"usec":715358},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.785107,"noise_level":-25.216972,"freq_skew":1.950790,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[44,230,234,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109946,"usec":482085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736124,"noise_level":-24.724424,"freq_skew":3.027754,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109947,"usec":977239},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.176085,"noise_level":-24.527166,"freq_skew":2.061000,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":106,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52371,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,220,36,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109948,"usec":752853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.845186,"noise_level":-24.154932,"freq_skew":3.210878,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109948,"usec":758484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445347,"noise_level":-24.085142,"freq_skew":3.927702,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109949,"usec":513657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.870097,"noise_level":-24.591892,"freq_skew":3.803533,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109952,"usec":608586},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.284634,"noise_level":-24.216244,"freq_skew":5.038052,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJR","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH02ER","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109953,"usec":354259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042282,"noise_level":-24.587576,"freq_skew":2.664001,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109954,"usec":98788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309613,"noise_level":-24.441513,"freq_skew":5.153059,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109954,"usec":112618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880514,"noise_level":-24.269419,"freq_skew":3.312613,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109954,"usec":122072},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533354,"noise_level":-24.753458,"freq_skew":4.805315,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":8.600000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109955,"usec":614978},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703042,"noise_level":-24.621784,"freq_skew":4.814677,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127155","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,109,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109955,"usec":617049},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966969,"noise_level":-24.607008,"freq_skew":5.153411,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109956,"usec":389937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902666,"noise_level":-24.035700,"freq_skew":4.726899,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109957,"usec":149460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844192,"noise_level":-24.365971,"freq_skew":3.756330,"avlc":{"src":{"addr":"A8BFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109959,"usec":477324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644794,"noise_level":-24.035233,"freq_skew":3.159269,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109960,"usec":209272},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999514,"noise_level":-24.293282,"freq_skew":4.537152,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109961,"usec":743095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168739,"noise_level":-23.648569,"freq_skew":2.052708,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109967,"usec":852286},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625243,"noise_level":-21.179585,"freq_skew":3.340714,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109969,"usec":393291},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202668,"noise_level":-22.405329,"freq_skew":2.765954,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109970,"usec":149750},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945491,"noise_level":-22.101360,"freq_skew":5.100138,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[26,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109973,"usec":217288},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871085,"noise_level":-21.432869,"freq_skew":3.808840,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N22992","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"UA0181","msg_num":"M78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109973,"usec":995045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.382049,"noise_level":-21.921349,"freq_skew":3.995944,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109974,"usec":741130},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505651,"noise_level":-21.728449,"freq_skew":5.133210,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LTBS"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":7.900000},"alt":37000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109976,"usec":246063},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599797,"noise_level":-22.900820,"freq_skew":5.118269,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746656","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,174,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109976,"usec":256056},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741235,"noise_level":-23.349485,"freq_skew":2.838757,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":431,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109977,"usec":23749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710651,"noise_level":-24.407921,"freq_skew":5.021170,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109978,"usec":566402},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015823,"noise_level":-24.862640,"freq_skew":3.223703,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N792UA","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"UA0932","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109980,"usec":96312},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306408,"noise_level":-24.161896,"freq_skew":2.636164,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":106,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109980,"usec":846335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.340374,"noise_level":-23.913038,"freq_skew":7.752851,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109980,"usec":863895},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546945,"noise_level":-23.697662,"freq_skew":4.030512,"avlc":{"src":{"addr":"A2061E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48096,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[167,224]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109983,"usec":145905},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757038,"noise_level":-24.033100,"freq_skew":5.043139,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54454,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[26,118]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109984,"usec":639774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666708,"noise_level":-24.322565,"freq_skew":3.849768,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109986,"usec":986551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984172,"noise_level":-23.999798,"freq_skew":4.193738,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":812,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109987,"usec":747841},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.919657,"noise_level":-23.649055,"freq_skew":6.278981,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1127,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109988,"usec":483669},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605199,"noise_level":-23.556995,"freq_skew":1.077491,"avlc":{"src":{"addr":"4CA5C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":48109,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[21,15,199,113]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109988,"usec":499352},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511598,"noise_level":-24.059198,"freq_skew":1.295364,"avlc":{"src":{"addr":"4CA5C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48109,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,244,102,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":6,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109989,"usec":258996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059266,"noise_level":-25.052288,"freq_skew":5.093837,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109990,"usec":22913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.472473,"noise_level":-25.619879,"freq_skew":3.043071,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109990,"usec":761887},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.259443,"noise_level":-25.423059,"freq_skew":4.206414,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":46.100002,"lon":10.900001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109993,"usec":838382},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381008,"noise_level":-24.306105,"freq_skew":3.971727,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46092,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[44,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109997,"usec":654295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601901,"noise_level":-24.220621,"freq_skew":5.041280,"avlc":{"src":{"addr":"4AC9F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784109999,"usec":970078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293002,"noise_level":-24.473867,"freq_skew":2.972307,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110002,"usec":249377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506113,"noise_level":-24.263775,"freq_skew":4.553762,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110004,"usec":525776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459466,"noise_level":-23.374311,"freq_skew":2.118262,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110005,"usec":310628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261728,"noise_level":-23.247587,"freq_skew":3.768606,"avlc":{"src":{"addr":"AB28C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110006,"usec":87775},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871599,"noise_level":-22.852728,"freq_skew":5.195214,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2120,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[202,198]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110007,"usec":595538},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763937,"noise_level":-22.337540,"freq_skew":5.107127,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110009,"usec":121386},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.346690,"noise_level":-22.075232,"freq_skew":3.892946,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52276,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[164,123]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110009,"usec":126080},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490770,"noise_level":-22.031223,"freq_skew":3.830258,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":16.200001},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110012,"usec":951789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629317,"noise_level":-23.361444,"freq_skew":3.757050,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110012,"usec":956773},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054783,"noise_level":-23.297726,"freq_skew":2.633638,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110014,"usec":488024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219862,"noise_level":-22.995193,"freq_skew":2.865070,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110016,"usec":564},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.667649,"noise_level":-22.750036,"freq_skew":7.292315,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.200000},"alt":21000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110018,"usec":269267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.245584,"noise_level":-22.997154,"freq_skew":4.043714,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110022,"usec":120332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050283,"noise_level":-23.574871,"freq_skew":4.667347,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110024,"usec":395964},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.651662,"noise_level":-23.552784,"freq_skew":4.224200,"avlc":{"src":{"addr":"4063DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,65,87,0,64,99,222,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110025,"usec":167020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.526316,"noise_level":-23.169117,"freq_skew":4.108505,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110029,"usec":775734},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.282453,"noise_level":-22.561495,"freq_skew":0.203719,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110033,"usec":587579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.988279,"noise_level":-21.666523,"freq_skew":0.490911,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110034,"usec":354889},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720529,"noise_level":-21.927017,"freq_skew":4.213501,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"EN03LT","msg_num":"M26","msg_num_seq":"A","msg_text":"00012234201A,G-T0T:N:,EEY:5VKT:KM:U"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110036,"usec":631203},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548890,"noise_level":-21.159523,"freq_skew":4.367105,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"EN03LT","msg_num":"M27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110036,"usec":642868},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084038,"noise_level":-21.079418,"freq_skew":4.705372,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110043,"usec":520221},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464875,"noise_level":-20.143192,"freq_skew":5.108576,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":11.700000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110043,"usec":528449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949075,"noise_level":-21.136187,"freq_skew":4.514392,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110044,"usec":281213},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402968,"noise_level":-22.750847,"freq_skew":5.196151,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127464","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,52,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110046,"usec":593851},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.157568,"noise_level":-24.142763,"freq_skew":3.508579,"avlc":{"src":{"addr":"494141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26E217","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LFMD"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":10.800000},"alt":39000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110046,"usec":598164},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507402,"noise_level":-24.086964,"freq_skew":4.953580,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110048,"usec":873176},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694334,"noise_level":-23.766203,"freq_skew":5.198684,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110049,"usec":629376},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435425,"noise_level":-23.673601,"freq_skew":6.446317,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110053,"usec":478299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.575953,"noise_level":-23.206249,"freq_skew":3.729262,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110057,"usec":261720},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673400,"noise_level":-22.884428,"freq_skew":4.939941,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":10.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110058,"usec":33128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.388284,"noise_level":-23.039700,"freq_skew":1.532540,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110059,"usec":591108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360360,"noise_level":-22.409842,"freq_skew":2.668936,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110068,"usec":757374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732939,"noise_level":-21.962864,"freq_skew":4.746535,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110069,"usec":520527},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479630,"noise_level":-22.426481,"freq_skew":2.915136,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":32,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110070,"usec":266395},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561328,"noise_level":-22.267155,"freq_skew":2.344518,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH004R","msg_num":"M96","msg_num_seq":"A","msg_text":"000781AD086,?"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110071,"usec":28373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.602932,"noise_level":-21.946140,"freq_skew":1.911182,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110072,"usec":541548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.293796,"noise_level":-22.570694,"freq_skew":3.488996,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110073,"usec":285769},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.634085,"noise_level":-22.584034,"freq_skew":4.947987,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54454,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[91,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":7,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110074,"usec":872148},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335426,"noise_level":-21.775206,"freq_skew":1.720701,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110076,"usec":399197},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550864,"noise_level":-21.370655,"freq_skew":4.966623,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54454,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[26,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110077,"usec":132658},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106602,"noise_level":-21.295895,"freq_skew":5.135504,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110077,"usec":910344},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904659,"noise_level":-20.882381,"freq_skew":4.830855,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,145,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110078,"usec":654533},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.526830,"noise_level":-20.805805,"freq_skew":3.610479,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52276,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[164,123]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110079,"usec":456077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069811,"noise_level":-20.552219,"freq_skew":1.791409,"avlc":{"src":{"addr":"49D53F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":28797,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[251,43,214,127]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110079,"usec":461206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008735,"noise_level":-20.558552,"freq_skew":5.136489,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110080,"usec":205518},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.567386,"noise_level":-20.402493,"freq_skew":3.810490,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110080,"usec":979736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.327493,"noise_level":-20.124939,"freq_skew":3.719046,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110080,"usec":991867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.113632,"noise_level":-20.019835,"freq_skew":3.798116,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110082,"usec":507701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.415937,"noise_level":-20.797028,"freq_skew":3.476127,"avlc":{"src":{"addr":"3EBE12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110083,"usec":265423},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820331,"noise_level":-20.761259,"freq_skew":4.950026,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48090,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,76]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":8,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110084,"usec":764459},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897144,"noise_level":-20.995560,"freq_skew":5.054898,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":360,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110085,"usec":537075},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365521,"noise_level":-20.841087,"freq_skew":5.189159,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110086,"usec":283820},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914821,"noise_level":-20.689314,"freq_skew":5.185054,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":12,"dst_ref":54454,"variable_part_params":[{"name":"checksum","value":[15,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110086,"usec":299111},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752257,"noise_level":-20.549395,"freq_skew":5.088290,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[15,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110089,"usec":386257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101230,"noise_level":-22.451811,"freq_skew":5.184449,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110091,"usec":659760},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.585538,"noise_level":-21.628204,"freq_skew":2.865059,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110091,"usec":667268},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.423250,"noise_level":-21.555174,"freq_skew":3.792785,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4556,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110093,"usec":221397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789485,"noise_level":-22.547546,"freq_skew":5.008407,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110094,"usec":730433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.718477,"noise_level":-22.644503,"freq_skew":3.834208,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110095,"usec":487063},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327866,"noise_level":-23.372169,"freq_skew":3.760136,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR06AT","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110097,"usec":764346},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.638081,"noise_level":-23.900690,"freq_skew":3.869699,"avlc":{"src":{"addr":"48C2A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110097,"usec":785228},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624687,"noise_level":-24.992826,"freq_skew":2.406229,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JKU","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"VF5047","msg_num":"S85","msg_num_seq":"A","msg_text":"0E21008162/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":8,"sec":16}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110099,"usec":293275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.934615,"noise_level":-26.304642,"freq_skew":0.311441,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110100,"usec":80147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798122,"noise_level":-26.179895,"freq_skew":2.300476,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110103,"usec":886358},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.193959,"noise_level":-27.180172,"freq_skew":2.195086,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":264,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110103,"usec":889952},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947865,"noise_level":-27.701668,"freq_skew":4.951252,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":63,"dst_ref":42733,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[162,207,193,187]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110103,"usec":903700},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739208,"noise_level":-27.452301,"freq_skew":5.102332,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110104,"usec":648972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311885,"noise_level":-27.170145,"freq_skew":4.355135,"avlc":{"src":{"addr":"4D227F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110104,"usec":653783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221054,"noise_level":-27.091183,"freq_skew":5.031778,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110105,"usec":401344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523741,"noise_level":-26.896866,"freq_skew":2.313148,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110106,"usec":974065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.661025,"noise_level":-26.870670,"freq_skew":2.580491,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110107,"usec":717740},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.943604,"noise_level":-26.681171,"freq_skew":2.567740,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59959,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[7,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110107,"usec":723965},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383626,"noise_level":-26.606514,"freq_skew":4.448735,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110110,"usec":20179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.406500,"noise_level":-25.030252,"freq_skew":3.471205,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110110,"usec":751228},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531491,"noise_level":-24.800808,"freq_skew":2.846270,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110113,"usec":79473},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.874817,"noise_level":-24.191492,"freq_skew":4.705772,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1046,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46054,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[192,183]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":8,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110114,"usec":630765},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815731,"noise_level":-23.501869,"freq_skew":4.685731,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1047,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46054,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[239,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110117,"usec":637606},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065129,"noise_level":-22.542877,"freq_skew":2.745403,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110118,"usec":396315},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777272,"noise_level":-22.219849,"freq_skew":2.780713,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60002,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[202,142,107,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110119,"usec":164585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288584,"noise_level":-21.911364,"freq_skew":2.791970,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110119,"usec":169829},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499186,"noise_level":-21.846659,"freq_skew":4.948132,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5217,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110119,"usec":961799},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617301,"noise_level":-22.814251,"freq_skew":3.300201,"avlc":{"src":{"addr":"3C6426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"DE06AK","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110121,"usec":480622},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692099,"noise_level":-26.585285,"freq_skew":2.524552,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFMN"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":7.600000},"alt":12000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110122,"usec":267353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412677,"noise_level":-26.135445,"freq_skew":2.323501,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110126,"usec":41509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353460,"noise_level":-24.638699,"freq_skew":2.399639,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110126,"usec":798618},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804166,"noise_level":-24.575367,"freq_skew":5.049452,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2128,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110127,"usec":597683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509581,"noise_level":-24.286053,"freq_skew":4.240348,"avlc":{"src":{"addr":"4D227F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110127,"usec":603680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314188,"noise_level":-25.221066,"freq_skew":2.572065,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110128,"usec":368053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795160,"noise_level":-24.874599,"freq_skew":4.976607,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110129,"usec":871091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349746,"noise_level":-24.429459,"freq_skew":2.454599,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110130,"usec":634540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611054,"noise_level":-24.061302,"freq_skew":2.881722,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110130,"usec":643712},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751472,"noise_level":-24.638626,"freq_skew":5.077629,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2128,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110132,"usec":166306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736197,"noise_level":-24.009995,"freq_skew":3.762546,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110133,"usec":670200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076889,"noise_level":-23.462543,"freq_skew":3.428779,"avlc":{"src":{"addr":"A8BFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110133,"usec":675050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483894,"noise_level":-23.398079,"freq_skew":2.029880,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110134,"usec":464792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497488,"noise_level":-23.255276,"freq_skew":3.559387,"avlc":{"src":{"addr":"3C6426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110134,"usec":465441},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.859003,"noise_level":-23.230042,"freq_skew":3.147252,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":36,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110135,"usec":249330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.557203,"noise_level":-24.746071,"freq_skew":2.605294,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110136,"usec":754721},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157607,"noise_level":-24.858315,"freq_skew":6.629038,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5100,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[179,122]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110139,"usec":787475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386127,"noise_level":-23.640882,"freq_skew":5.156808,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110140,"usec":605066},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.830305,"noise_level":-23.945311,"freq_skew":2.922082,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110144,"usec":382064},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.192204,"noise_level":-24.326000,"freq_skew":3.450873,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH02UV","msg_num":"D16","msg_num_seq":"K","sublabel":"DF","msg_text":"2/2V0215,0110,01648,00096,221,213,217,0/2X2901,00300,112,011,016,021,012,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110144,"usec":396678},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349288,"noise_level":-24.114210,"freq_skew":6.181369,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110144,"usec":398129},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738852,"noise_level":-24.086359,"freq_skew":4.856758,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42589,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[221,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110145,"usec":917540},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731060,"noise_level":-24.444254,"freq_skew":5.015487,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":42725,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[100,127,77,247]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110146,"usec":672219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023232,"noise_level":-24.394825,"freq_skew":3.222476,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110147,"usec":474319},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.368857,"noise_level":-24.413734,"freq_skew":3.853403,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":8.600000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110149,"usec":755503},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691887,"noise_level":-25.356924,"freq_skew":3.816799,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILD","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR96XR","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110152,"usec":23121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222198,"noise_level":-25.441521,"freq_skew":3.595400,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110155,"usec":862138},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.254593,"noise_level":-24.869354,"freq_skew":5.166365,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EBO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR006B","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110155,"usec":867971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612259,"noise_level":-24.748474,"freq_skew":5.489508,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110156,"usec":621401},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672781,"noise_level":-24.584963,"freq_skew":5.322628,"avlc":{"src":{"addr":"4CADBB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3313,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110156,"usec":628197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008139,"noise_level":-25.363104,"freq_skew":5.711035,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110157,"usec":389187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117140,"noise_level":-25.000359,"freq_skew":0.209922,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110157,"usec":399397},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.612934,"noise_level":-24.801834,"freq_skew":5.482337,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110161,"usec":974843},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.431323,"noise_level":-24.147432,"freq_skew":5.212085,"avlc":{"src":{"addr":"4CADBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGL","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR09TM","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110164,"usec":275774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710889,"noise_level":-23.299200,"freq_skew":7.310078,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110166,"usec":566227},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820127,"noise_level":-22.500748,"freq_skew":4.908530,"avlc":{"src":{"addr":"AB4EC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10979A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N828CA","mode":"2","label":"BA","blk_id":"1","ack":"!","flight":"N80714","msg_num":"J05","msg_num_seq":"A","msg_text":"/SOUCAYA.CC1.N828CA6040A24D49106790","arinc622":{"msg_type":"fans1a_cpdlc_connect_confirm","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".N828CA","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":0,"msg_ref":32,"timestamp":{"hour":10,"min":9,"sec":13}},"atc_downlink_msg_element_id":{"choice_label":"[versionnumber]","choice":"dM73VersionNumber","data":{"ver_num":1}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110167,"usec":322869},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800212,"noise_level":-23.004707,"freq_skew":5.146179,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42725,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[25,71,93,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110168,"usec":107475},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092558,"noise_level":-22.798483,"freq_skew":1.998107,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JKU","mode":"2","label":"31","blk_id":"7","ack":"!","flight":"VF5047","msg_num":"M60","msg_num_seq":"A","msg_text":"CDC/1507/0931"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110169,"usec":618309},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006977,"noise_level":-23.708401,"freq_skew":1.868793,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"6","ack":"S","flight":"UA0885","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110171,"usec":144806},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696335,"noise_level":-23.698708,"freq_skew":4.146870,"avlc":{"src":{"addr":"43E9C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":5}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"ELLX"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110173,"usec":408211},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756642,"noise_level":-23.311649,"freq_skew":5.250395,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46047,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[14,119]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110174,"usec":994198},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248940,"noise_level":-24.337961,"freq_skew":1.763265,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"6","ack":"S","flight":"UA0885","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110175,"usec":729830},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872042,"noise_level":-24.196003,"freq_skew":2.349806,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":244,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110176,"usec":493384},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053815,"noise_level":-24.909313,"freq_skew":4.983110,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42725,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[25,71,93,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110178,"usec":776141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.640099,"noise_level":-24.737890,"freq_skew":2.330654,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110178,"usec":779533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.966955,"noise_level":-24.663277,"freq_skew":3.526726,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110182,"usec":629462},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056574,"noise_level":-24.464600,"freq_skew":4.877970,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42725,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[25,71,93,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110184,"usec":149008},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440520,"noise_level":-24.553825,"freq_skew":5.007631,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[193,203]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110187,"usec":175285},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625467,"noise_level":-24.414396,"freq_skew":1.645418,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JKU","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"VF5047","msg_num":"M66","msg_num_seq":"A","msg_text":" /N 50.570/E 8.418/28134/1507/1002/95/1228/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110187,"usec":970548},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237584,"noise_level":-24.158304,"freq_skew":0.446441,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":60,"dst_ref":60000,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[146,105,218,142]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110187,"usec":981028},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116976,"noise_level":-24.019226,"freq_skew":0.143627,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":60,"dst_ref":60000,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[146,105,218,142]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110187,"usec":981536},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658012,"noise_level":-24.005440,"freq_skew":4.999315,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110188,"usec":730592},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632275,"noise_level":-23.828184,"freq_skew":0.473439,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110188,"usec":738560},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966583,"noise_level":-24.012087,"freq_skew":0.334852,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110189,"usec":499482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601272,"noise_level":-23.740658,"freq_skew":0.253019,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110191,"usec":20449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.565759,"noise_level":-23.047544,"freq_skew":4.983810,"avlc":{"src":{"addr":"4D2405","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110191,"usec":31390},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645371,"noise_level":-22.912891,"freq_skew":3.721860,"avlc":{"src":{"addr":"3C6517","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHW","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH0400","msg_num":"M18","msg_num_seq":"A","msg_text":"00015209288QOT)H3JTX3BV6TBSS573397VELEUBBVSIK3HB9H56:SSGMIYG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110191,"usec":793000},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282647,"noise_level":-23.595636,"freq_skew":5.083222,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[96,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110193,"usec":285505},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147196,"noise_level":-24.169771,"freq_skew":2.042864,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"UA0885","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110193,"usec":303680},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193417,"noise_level":-23.989166,"freq_skew":3.835397,"avlc":{"src":{"addr":"3C6517","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110197,"usec":127706},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773152,"noise_level":-23.445820,"freq_skew":3.896275,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..XAEFA","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XA0000","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110197,"usec":883597},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.354177,"noise_level":-23.128788,"freq_skew":2.480477,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110197,"usec":887101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317414,"noise_level":-23.103920,"freq_skew":3.903269,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110199,"usec":424451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832666,"noise_level":-23.202316,"freq_skew":5.246177,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110200,"usec":962919},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647890,"noise_level":-22.713966,"freq_skew":2.244656,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AFYR","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"LH0052","msg_num":"S40","msg_num_seq":"A","msg_text":"0LS100959V","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":10,"min":9,"sec":59}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110203,"usec":270420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948806,"noise_level":-21.738050,"freq_skew":3.938990,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110204,"usec":6966},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664719,"noise_level":-21.714668,"freq_skew":4.884979,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42699,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[238,8,134,2]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42699,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,137,128,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":9,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110204,"usec":777997},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.645121,"noise_level":-21.301392,"freq_skew":2.459839,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15950,"dst_ref":48105,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[127,81,116,112]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110206,"usec":273832},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661175,"noise_level":-21.113272,"freq_skew":2.389035,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110206,"usec":281709},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656559,"noise_level":-21.684174,"freq_skew":5.019306,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6537,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110206,"usec":291312},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.641319,"noise_level":-21.898783,"freq_skew":5.484116,"avlc":{"src":{"addr":"4CADBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGL","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"FR09TM","msg_num":"M71","msg_num_seq":"A","msg_text":"101004,25450,1031, 75,N 50.382 E 6.261"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110206,"usec":294383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898062,"noise_level":-22.081461,"freq_skew":4.726299,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110208,"usec":610821},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.990196,"noise_level":-26.269283,"freq_skew":5.519796,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110209,"usec":354858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152342,"noise_level":-26.059574,"freq_skew":1.936739,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110209,"usec":355731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806043,"noise_level":-26.042141,"freq_skew":5.310702,"avlc":{"src":{"addr":"4CADBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110210,"usec":127195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087609,"noise_level":-25.760109,"freq_skew":1.558588,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110210,"usec":132331},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933410,"noise_level":-26.753281,"freq_skew":1.867305,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"UA0885","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110210,"usec":887478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902985,"noise_level":-26.437763,"freq_skew":5.809019,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110210,"usec":891847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035440,"noise_level":-26.365162,"freq_skew":3.618070,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110212,"usec":408943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766843,"noise_level":-25.505398,"freq_skew":3.791914,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110214,"usec":736665},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745107,"noise_level":-25.044039,"freq_skew":1.843095,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"UA0885","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110215,"usec":480591},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859841,"noise_level":-24.920721,"freq_skew":6.156400,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42749,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[44,54,105,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":10,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110216,"usec":253554},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222890,"noise_level":-24.400887,"freq_skew":6.136846,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42749,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[204,154,2,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110217,"usec":766136},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932600,"noise_level":-23.869633,"freq_skew":5.977444,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110218,"usec":516427},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466637,"noise_level":-24.760773,"freq_skew":5.959136,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42749,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[34,103,52,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110224,"usec":655505},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.085835,"noise_level":-22.247955,"freq_skew":3.511102,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH02UV","msg_num":"D18","msg_num_seq":"L","sublabel":"DF","msg_text":":"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110225,"usec":384008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798715,"noise_level":-22.125061,"freq_skew":1.758410,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"UA0885","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110226,"usec":172022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860558,"noise_level":-21.639664,"freq_skew":3.584786,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110229,"usec":237080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167723,"noise_level":-20.790817,"freq_skew":2.857222,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110229,"usec":996405},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344274,"noise_level":-21.877174,"freq_skew":6.176542,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":240,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110231,"usec":531264},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811163,"noise_level":-22.135393,"freq_skew":4.809730,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110235,"usec":361663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966855,"noise_level":-21.785467,"freq_skew":1.993832,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"UA0885","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110235,"usec":364645},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568080,"noise_level":-21.764154,"freq_skew":5.376601,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48074,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[15,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110236,"usec":131538},"freq":136975000,"burst_len_octets":140,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.863399,"noise_level":-21.533127,"freq_skew":7.880177,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-CAMO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS081T","msg_num":"M17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110236,"usec":131538},"freq":136975000,"burst_len_octets":140,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.863399,"noise_level":-21.533127,"freq_skew":7.880177,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110237,"usec":634679},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945702,"noise_level":-21.049433,"freq_skew":7.665428,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110238,"usec":378430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847953,"noise_level":-21.265923,"freq_skew":2.157726,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110238,"usec":392379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620865,"noise_level":-21.067236,"freq_skew":5.987845,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110239,"usec":906862},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.107099,"noise_level":-21.701698,"freq_skew":3.549691,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42751,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[133,101,226,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110240,"usec":662662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.052981,"noise_level":-21.699337,"freq_skew":4.227662,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110240,"usec":674944},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127234,"noise_level":-21.621296,"freq_skew":3.557599,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":42751,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[128,68,0,78]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110241,"usec":438101},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827707,"noise_level":-22.118874,"freq_skew":7.838598,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":126,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":7,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,60,193,70],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110246,"usec":29144},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.989488,"noise_level":-21.432058,"freq_skew":1.878677,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"_d","blk_id":"6","ack":"E","flight":"UA0885","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110248,"usec":349531},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.986639,"noise_level":-20.733654,"freq_skew":7.617608,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":128,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110249,"usec":99524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013720,"noise_level":-21.645500,"freq_skew":4.780300,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110250,"usec":620839},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916231,"noise_level":-21.520464,"freq_skew":7.727930,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110252,"usec":912321},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927712,"noise_level":-22.479477,"freq_skew":1.867746,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"UA0885","msg_num":"M81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110253,"usec":672023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.373282,"noise_level":-22.784412,"freq_skew":5.016770,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110254,"usec":433885},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953158,"noise_level":-23.699478,"freq_skew":7.929446,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110256,"usec":753125},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804440,"noise_level":-24.264221,"freq_skew":5.961219,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":264,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110256,"usec":754137},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507901,"noise_level":-24.250040,"freq_skew":3.603613,"avlc":{"src":{"addr":"4D2239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52276,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[164,123]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110257,"usec":499108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276706,"noise_level":-24.067776,"freq_skew":4.954202,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110257,"usec":499850},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769238,"noise_level":-24.053913,"freq_skew":1.752938,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N799UA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"UA0885","msg_num":"M81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110259,"usec":776977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304860,"noise_level":-26.996901,"freq_skew":4.768075,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110259,"usec":780262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310802,"noise_level":-26.958111,"freq_skew":3.186901,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110259,"usec":792447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776737,"noise_level":-26.766716,"freq_skew":4.890151,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110260,"usec":520365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201051,"noise_level":-27.380192,"freq_skew":2.052622,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110260,"usec":524789},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665570,"noise_level":-27.159546,"freq_skew":5.824340,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":264,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110263,"usec":618747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107018,"noise_level":-26.741858,"freq_skew":6.011250,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110264,"usec":375742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.648082,"noise_level":-27.578175,"freq_skew":4.248511,"avlc":{"src":{"addr":"4082AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110267,"usec":421138},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407427,"noise_level":-26.082628,"freq_skew":4.939946,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42725,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[225,135,92,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110268,"usec":176561},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747935,"noise_level":-27.549595,"freq_skew":4.957606,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110268,"usec":177916},"freq":136975000,"burst_len_octets":166,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043815,"noise_level":-28.546547,"freq_skew":3.572572,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH02UV","msg_num":"D19","msg_num_seq":"K","sublabel":"DF","msg_text":",11576,2/2T3961,5965,014,N00,142,41,11577,2/2V0125,0000,02160,00096,221,213,217,0/2X2901,00400,100,014,018,018,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110269,"usec":734197},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674646,"noise_level":-28.733217,"freq_skew":4.898916,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","unknown_proto":{"data":[239,97,154,16,160,26,211,8,1,33,197,137,18,98,176,206,31,224,33,0,184,23,5,113,7,223,40,36,168]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110269,"usec":748815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991832,"noise_level":-28.407063,"freq_skew":3.725826,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110270,"usec":493967},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591814,"noise_level":-28.159121,"freq_skew":4.840307,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110271,"usec":263386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.582484,"noise_level":-28.295725,"freq_skew":5.901567,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110273,"usec":517317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311790,"noise_level":-27.037052,"freq_skew":1.959437,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110275,"usec":43371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.672756,"noise_level":-26.041767,"freq_skew":4.307572,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110277,"usec":380679},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234421,"noise_level":-25.415176,"freq_skew":4.658383,"avlc":{"src":{"addr":"44017A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110280,"usec":415131},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153135,"noise_level":-24.492329,"freq_skew":3.193331,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"ZSNJ"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":6.500000},"alt":249000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110281,"usec":924787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193864,"noise_level":-23.887409,"freq_skew":5.375647,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110283,"usec":487335},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630601,"noise_level":-23.245831,"freq_skew":7.732735,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110285,"usec":768566},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790128,"noise_level":-23.440893,"freq_skew":2.342501,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110289,"usec":595273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607312,"noise_level":-23.045176,"freq_skew":5.201604,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110289,"usec":603446},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.071595,"noise_level":-22.886305,"freq_skew":3.136083,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-221X","mode":"2","label":"17","blk_id":"1","ack":"!","flight":"CF0256","msg_num":"M79","msg_num_seq":"A","msg_text":"01CLERCYZ256 /151011ELLXZSNJ\r\n31282 308.0 -9.2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110291,"usec":127234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661661,"noise_level":-22.403473,"freq_skew":4.643656,"avlc":{"src":{"addr":"AB4EC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110291,"usec":883995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982486,"noise_level":-22.055435,"freq_skew":3.228385,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110294,"usec":159032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105110,"noise_level":-23.680115,"freq_skew":5.143395,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110294,"usec":917802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784910,"noise_level":-23.367367,"freq_skew":4.409993,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110295,"usec":719129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841085,"noise_level":-24.854553,"freq_skew":3.868403,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110299,"usec":533466},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845019,"noise_level":-23.025879,"freq_skew":3.681678,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110300,"usec":294079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665523,"noise_level":-22.664333,"freq_skew":3.690373,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":11.300000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110301,"usec":810959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839571,"noise_level":-22.520775,"freq_skew":3.623364,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110302,"usec":605670},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859558,"noise_level":-22.314259,"freq_skew":4.625703,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42699,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[93,116,50,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110303,"usec":362504},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999640,"noise_level":-23.284832,"freq_skew":7.692269,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42526,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[7,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110303,"usec":367129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.902854,"noise_level":-23.234264,"freq_skew":3.956352,"avlc":{"src":{"addr":"4692D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110304,"usec":125396},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567561,"noise_level":-22.936899,"freq_skew":3.861127,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110304,"usec":899474},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660879,"noise_level":-23.389248,"freq_skew":3.450666,"avlc":{"src":{"addr":"3C6426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAF","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"DE06AK","msg_num":"M27","msg_num_seq":"A","msg_text":"34DE4344,C,EDDF,1031"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110305,"usec":640253},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990603,"noise_level":-23.385723,"freq_skew":4.841650,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42699,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[93,116,50,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110307,"usec":178290},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548800,"noise_level":-23.163002,"freq_skew":4.930428,"avlc":{"src":{"addr":"4CADBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6869,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110310,"usec":235256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.402908,"noise_level":-23.521681,"freq_skew":3.170520,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110310,"usec":999422},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680623,"noise_level":-23.189371,"freq_skew":3.902028,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":817,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46137,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[46,66,125,168]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46137,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,87,133,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":11,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110314,"usec":788278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928465,"noise_level":-23.428150,"freq_skew":3.726303,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110314,"usec":806534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045026,"noise_level":-23.186642,"freq_skew":5.414820,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110315,"usec":598670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.312398,"noise_level":-23.653242,"freq_skew":4.016998,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110316,"usec":353153},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710350,"noise_level":-23.431232,"freq_skew":6.187669,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42749,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[144,97,211,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110317,"usec":108168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072718,"noise_level":-23.887234,"freq_skew":3.524475,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110317,"usec":884587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960309,"noise_level":-23.437082,"freq_skew":1.422257,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48133,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[231,64,189,3]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110317,"usec":894550},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.260549,"noise_level":-23.309006,"freq_skew":4.857127,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[96,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110318,"usec":653536},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751621,"noise_level":-23.130131,"freq_skew":5.218426,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22140442","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,34,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110319,"usec":389820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971606,"noise_level":-22.957495,"freq_skew":5.205619,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKC","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR306U","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110320,"usec":139606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.603045,"noise_level":-22.764309,"freq_skew":3.137157,"avlc":{"src":{"addr":"4CAE72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110321,"usec":671855},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029934,"noise_level":-22.053837,"freq_skew":5.415992,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110328,"usec":554761},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486601,"noise_level":-22.260117,"freq_skew":5.340456,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48074,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[15,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110329,"usec":304264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016472,"noise_level":-22.603550,"freq_skew":3.841603,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LKX","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EC58NR","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110330,"usec":113149},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556414,"noise_level":-23.083899,"freq_skew":3.232573,"avlc":{"src":{"addr":"3C6426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":207,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110330,"usec":120997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084749,"noise_level":-23.059261,"freq_skew":3.528090,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110333,"usec":141378},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967893,"noise_level":-23.661518,"freq_skew":3.783109,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":48008,"variable_part_params":[{"name":"atn_checksum","value":[128,125,227,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110333,"usec":143991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879389,"noise_level":-24.347143,"freq_skew":4.319005,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110333,"usec":157412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285859,"noise_level":-25.193605,"freq_skew":3.556483,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110335,"usec":421699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.576092,"noise_level":-24.237387,"freq_skew":3.189648,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110336,"usec":976911},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262051,"noise_level":-24.068508,"freq_skew":3.650118,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":48008,"variable_part_params":[{"name":"atn_checksum","value":[128,125,227,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110337,"usec":750754},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911892,"noise_level":-24.307579,"freq_skew":7.456769,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-CAMO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"GS081T","msg_num":"M19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110338,"usec":518829},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773769,"noise_level":-24.409306,"freq_skew":4.321848,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":58,"dst_ref":42757,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[129,72,23,99]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110339,"usec":279051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.248792,"noise_level":-24.126270,"freq_skew":4.372454,"avlc":{"src":{"addr":"4D2092","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110339,"usec":280468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805447,"noise_level":-24.112312,"freq_skew":7.697391,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110339,"usec":283196},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.340693,"noise_level":-24.084469,"freq_skew":3.408527,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":19,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110341,"usec":549902},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108204,"noise_level":-23.875153,"freq_skew":4.675019,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":9.900001},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110344,"usec":630701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225451,"noise_level":-23.498709,"freq_skew":2.729871,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110345,"usec":386366},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743948,"noise_level":-23.267902,"freq_skew":2.942039,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N2250U","mode":"2","label":"5Z","blk_id":"7","ack":"!","flight":"UA0043","msg_num":"M22","msg_num_seq":"A","msg_text":"/R3 HOWGOZIT REQ / EDDF KEWR 15 101222 0043 15 EDDF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110346,"usec":909384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939054,"noise_level":-22.516806,"freq_skew":3.949455,"avlc":{"src":{"addr":"4082AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1030,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[21,208,246,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110346,"usec":917093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339734,"noise_level":-22.435947,"freq_skew":4.540824,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110349,"usec":239293},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564755,"noise_level":-24.386274,"freq_skew":7.640316,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110353,"usec":35545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017650,"noise_level":-23.494431,"freq_skew":4.168265,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110356,"usec":881869},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.011728,"noise_level":-23.544102,"freq_skew":6.311116,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110359,"usec":135498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174395,"noise_level":-23.635836,"freq_skew":4.686206,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110360,"usec":654775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098269,"noise_level":-26.885017,"freq_skew":1.316997,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110360,"usec":667689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956180,"noise_level":-27.831526,"freq_skew":3.422960,"avlc":{"src":{"addr":"3C6426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110361,"usec":417883},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704388,"noise_level":-27.599268,"freq_skew":2.290552,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42762,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[179,25,148,98]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3954419,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"EWG4R","long_tsap":{"rdp":[65,69,87,71,0],"short_tsap":{"ars":[60,86,243],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,69,87,71,0],"short_tsap":{"ars":[60,86,243],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDK","destination_airport":"LFMN"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":170164},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678843,"noise_level":-27.352783,"freq_skew":2.442738,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":181055},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632721,"noise_level":-27.192265,"freq_skew":2.459509,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42762,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[64,233,243,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":190948},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320510,"noise_level":-27.054199,"freq_skew":3.813746,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":194954},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592289,"noise_level":-26.995695,"freq_skew":2.317140,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":58,"dst_ref":42762,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[26,92,244,117]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":201109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404596,"noise_level":-27.189056,"freq_skew":4.184850,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110362,"usec":986474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752600,"noise_level":-27.528976,"freq_skew":3.508525,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110364,"usec":511317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545923,"noise_level":-26.387978,"freq_skew":3.839050,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110368,"usec":300818},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630324,"noise_level":-24.389404,"freq_skew":2.337294,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42762,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[64,233,243,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110368,"usec":302820},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496838,"noise_level":-24.360657,"freq_skew":2.296263,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":58,"dst_ref":42762,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[26,92,244,117]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110369,"usec":44458},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487778,"noise_level":-24.246607,"freq_skew":3.887055,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANCW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"DE02CF","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110369,"usec":813704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787716,"noise_level":-23.831787,"freq_skew":3.124881,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110369,"usec":817717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036460,"noise_level":-23.791372,"freq_skew":4.843400,"avlc":{"src":{"addr":"AB4EC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N828CA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"N80714","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110372,"usec":132874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.764412,"noise_level":-22.801664,"freq_skew":3.981544,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110373,"usec":660954},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970156,"noise_level":-22.458530,"freq_skew":7.735851,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":253,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42526,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[19,66]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":12,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110374,"usec":412256},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.669722,"noise_level":-22.242218,"freq_skew":6.006272,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[95,198,62,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110374,"usec":414266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943271,"noise_level":-22.219757,"freq_skew":4.563848,"avlc":{"src":{"addr":"AB4EC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110378,"usec":238741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112822,"noise_level":-21.017225,"freq_skew":4.195075,"avlc":{"src":{"addr":"4082AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110379,"usec":767002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143037,"noise_level":-20.441082,"freq_skew":4.083133,"avlc":{"src":{"addr":"4082AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110381,"usec":276008},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694653,"noise_level":-20.382832,"freq_skew":5.501842,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52465,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[22,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110383,"usec":618264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228366,"noise_level":-21.100130,"freq_skew":5.341187,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110385,"usec":128179},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328936,"noise_level":-21.514704,"freq_skew":5.419581,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124221","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,145,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110388,"usec":927145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770329,"noise_level":-23.127304,"freq_skew":0.256614,"avlc":{"src":{"addr":"4402A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110388,"usec":935523},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578706,"noise_level":-23.015966,"freq_skew":5.206954,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42487,"sseq":18,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":18,"msg_ref":19,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":13,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110389,"usec":685530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731075,"noise_level":-23.691811,"freq_skew":4.523220,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[121,246,131,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110389,"usec":687921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.171876,"noise_level":-24.137054,"freq_skew":3.798124,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110390,"usec":474022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001357,"noise_level":-23.984558,"freq_skew":2.572135,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110391,"usec":244657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849624,"noise_level":-23.516436,"freq_skew":5.319047,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110392,"usec":776356},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992420,"noise_level":-23.785469,"freq_skew":4.792805,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48090,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[83,111]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":13,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110395,"usec":41839},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360570,"noise_level":-24.613760,"freq_skew":4.549401,"avlc":{"src":{"addr":"44017A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110396,"usec":613891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791558,"noise_level":-25.017776,"freq_skew":5.059461,"avlc":{"src":{"addr":"4CAD91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110398,"usec":885174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005574,"noise_level":-24.093626,"freq_skew":3.524865,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110398,"usec":888095},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715385,"noise_level":-24.051979,"freq_skew":1.687918,"avlc":{"src":{"addr":"3C4B2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYK","mode":"2","label":"B1","blk_id":"5","ack":"!","flight":"LH0456","msg_num":"M97","msg_num_seq":"A","msg_text":"/EGGX.OC1/RCL 040\r\nDLH456-BALIX/1143 M085F33016C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110400,"usec":390933},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.194429,"noise_level":-23.580303,"freq_skew":5.451930,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110401,"usec":911855},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428357,"noise_level":-24.809320,"freq_skew":5.243927,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110401,"usec":922292},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509050,"noise_level":-25.393831,"freq_skew":2.248380,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110403,"usec":420382},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530953,"noise_level":-24.785311,"freq_skew":5.181491,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110403,"usec":431251},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858896,"noise_level":-26.177462,"freq_skew":1.154432,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110404,"usec":231807},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878652,"noise_level":-26.071972,"freq_skew":2.203407,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":42770,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[29,53,6,5]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110404,"usec":234555},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.370378,"noise_level":-26.037092,"freq_skew":3.825102,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,70,71,0,60,120,119,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110404,"usec":991483},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345933,"noise_level":-26.719664,"freq_skew":5.299010,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42487,"credit":5,"rseq":21,"variable_part_params":[{"name":"checksum","value":[147,206]},{"name":"flow_control","value":{"acked_tpdu_nr":20,"acked_subseq":0,"acked_credit":5}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110406,"usec":514043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.631126,"noise_level":-26.950729,"freq_skew":3.721202,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110407,"usec":282239},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.454546,"noise_level":-26.570175,"freq_skew":5.292318,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENE","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"FR08RP","msg_num":"M60","msg_num_seq":"A","msg_text":"101325,,1043, 84,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110407,"usec":286772},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.338554,"noise_level":-26.496460,"freq_skew":3.804193,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46137,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[6,1,103,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110408,"usec":39203},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618773,"noise_level":-26.536179,"freq_skew":1.058505,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110408,"usec":792988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488509,"noise_level":-26.593010,"freq_skew":5.003217,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110409,"usec":539521},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847552,"noise_level":-26.211834,"freq_skew":4.937057,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42653,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[145,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110409,"usec":544320},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327008,"noise_level":-26.088402,"freq_skew":2.310526,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42770,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[81,123,243,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110410,"usec":292474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863773,"noise_level":-25.761959,"freq_skew":3.663257,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110410,"usec":294065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502725,"noise_level":-25.694771,"freq_skew":5.427227,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110411,"usec":107484},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696167,"noise_level":-26.418571,"freq_skew":4.995193,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":268,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110411,"usec":123182},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150409,"noise_level":-26.132355,"freq_skew":3.612333,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,70,71,0,60,120,119,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110411,"usec":126959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090358,"noise_level":-26.079721,"freq_skew":4.974325,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110412,"usec":623337},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961972,"noise_level":-25.586748,"freq_skew":1.693961,"avlc":{"src":{"addr":"3C4B2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYK","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH0456","msg_num":"M98","msg_num_seq":"A","msg_text":"00500209233MQ8,8V XX7YK,1K2GY3M3DDB3T3BVREF:RLJM4I:MY9K1(UJJ1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110412,"usec":625908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641380,"noise_level":-25.553761,"freq_skew":2.548243,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110414,"usec":151827},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707420,"noise_level":-26.654343,"freq_skew":1.341595,"avlc":{"src":{"addr":"4BA975","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110414,"usec":160099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441280,"noise_level":-27.502821,"freq_skew":4.460187,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110415,"usec":672423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809932,"noise_level":-26.816914,"freq_skew":5.331341,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110415,"usec":681183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.614724,"noise_level":-26.866787,"freq_skew":5.931152,"avlc":{"src":{"addr":"4BC841","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42749,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[144,97,211,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110416,"usec":438752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565116,"noise_level":-26.541471,"freq_skew":2.340807,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110416,"usec":441919},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527335,"noise_level":-27.232721,"freq_skew":3.871240,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110417,"usec":984317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478604,"noise_level":-27.193722,"freq_skew":4.450657,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110417,"usec":990784},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824156,"noise_level":-27.726482,"freq_skew":2.486823,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N2250U","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"UA0043","msg_num":"M23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110418,"usec":747689},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.447299,"noise_level":-28.236271,"freq_skew":10.853618,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110419,"usec":519976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.172532,"noise_level":-28.349934,"freq_skew":1.620057,"avlc":{"src":{"addr":"3C4B2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110420,"usec":272024},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217782,"noise_level":-27.972111,"freq_skew":3.459257,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"KPWM"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":6.400000},"alt":0}},{"name":"alternate_ground_stations","value":["10934A","1094DA","10930A","10902A","10980A","109CEA","10956A","1097BA"]},{"name":"avlc_specific_options","value":[4]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110420,"usec":281053},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.474719,"noise_level":-28.348843,"freq_skew":3.651319,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110421,"usec":25829},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852852,"noise_level":-27.971066,"freq_skew":2.935108,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":83,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110421,"usec":26526},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.651862,"noise_level":-27.971066,"freq_skew":2.340002,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42770,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[166,72,38,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110422,"usec":535693},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.439544,"noise_level":-27.712250,"freq_skew":3.735980,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110423,"usec":303281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.488173,"noise_level":-27.061789,"freq_skew":3.857053,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110423,"usec":310709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989032,"noise_level":-26.925770,"freq_skew":2.061614,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110425,"usec":628346},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.149673,"noise_level":-26.067875,"freq_skew":2.486352,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110426,"usec":392336},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559750,"noise_level":-25.590370,"freq_skew":5.670669,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":6.000000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110427,"usec":162828},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.697447,"noise_level":-25.911179,"freq_skew":10.991261,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110427,"usec":903181},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445372,"noise_level":-25.724499,"freq_skew":5.546256,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHS","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR82WM","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110427,"usec":918262},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730235,"noise_level":-25.541746,"freq_skew":3.969248,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2475,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110429,"usec":436482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.607848,"noise_level":-24.696468,"freq_skew":11.043337,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110430,"usec":174395},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805844,"noise_level":-24.651836,"freq_skew":5.536682,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110430,"usec":975717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532390,"noise_level":-24.781261,"freq_skew":3.035792,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110430,"usec":980069},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512835,"noise_level":-24.661594,"freq_skew":5.703802,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110433,"usec":259974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.684694,"noise_level":-23.745956,"freq_skew":3.694929,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110434,"usec":21231},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589491,"noise_level":-23.969755,"freq_skew":2.634109,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N2250U","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"UA0043","msg_num":"F19","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS101351,150726/DTKEWR,22L,294,173309,046/FNUAL430AE3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110434,"usec":41967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929605,"noise_level":-23.752985,"freq_skew":7.620125,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110434,"usec":775084},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749578,"noise_level":-23.686337,"freq_skew":2.436541,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":37,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110437,"usec":853878},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729400,"noise_level":-24.318321,"freq_skew":3.621983,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":172,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110438,"usec":633043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948951,"noise_level":-25.286430,"freq_skew":2.762714,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110440,"usec":128260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827832,"noise_level":-25.240725,"freq_skew":4.634238,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110440,"usec":129553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395153,"noise_level":-25.161684,"freq_skew":1.869979,"avlc":{"src":{"addr":"AADB37","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110442,"usec":424913},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895583,"noise_level":-24.131252,"freq_skew":3.100450,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110443,"usec":176571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960605,"noise_level":-23.869686,"freq_skew":3.710988,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110443,"usec":936537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036354,"noise_level":-23.589466,"freq_skew":11.146019,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110445,"usec":502364},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359297,"noise_level":-23.005520,"freq_skew":5.064713,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48164,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[86,240]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110446,"usec":260680},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533865,"noise_level":-23.127712,"freq_skew":4.842978,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110447,"usec":777592},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.419482,"noise_level":-23.391766,"freq_skew":4.849554,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":48164,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[156,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110448,"usec":541905},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421479,"noise_level":-23.039612,"freq_skew":5.223436,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42487,"sseq":20,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[169,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":20,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":14,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110449,"usec":289478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633079,"noise_level":-24.948938,"freq_skew":4.996809,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110449,"usec":301237},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.195715,"noise_level":-24.781647,"freq_skew":4.039323,"avlc":{"src":{"addr":"0D122A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":45,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":4,"ack":2,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,77,69,88,0,13,18,42]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,77,69,88,0,13,18,42]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110450,"usec":44430},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318256,"noise_level":-24.573288,"freq_skew":3.243482,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110450,"usec":866405},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884580,"noise_level":-24.115009,"freq_skew":0.938505,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":28,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110451,"usec":623485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693634,"noise_level":-23.997286,"freq_skew":4.389786,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110453,"usec":127044},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910057,"noise_level":-25.364759,"freq_skew":3.815361,"avlc":{"src":{"addr":"440C36","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LKX","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"EC58NR","msg_num":"M24","msg_num_seq":"B","msg_text":"810143064M425300011G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110453,"usec":131768},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732919,"noise_level":-25.300562,"freq_skew":5.416856,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42487,"credit":5,"rseq":22,"variable_part_params":[{"name":"checksum","value":[152,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110453,"usec":139081},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682673,"noise_level":-25.189346,"freq_skew":4.531631,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":14,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110454,"usec":641639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387228,"noise_level":-26.623764,"freq_skew":5.375409,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110454,"usec":652380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717303,"noise_level":-27.390518,"freq_skew":4.858811,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110456,"usec":171523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039519,"noise_level":-26.663387,"freq_skew":0.883125,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110456,"usec":173463},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.296705,"noise_level":-26.626055,"freq_skew":1.999934,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110458,"usec":480023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.212259,"noise_level":-25.459993,"freq_skew":3.172652,"avlc":{"src":{"addr":"4B3944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110458,"usec":486377},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516197,"noise_level":-25.378941,"freq_skew":4.644882,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":243,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[226,29]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110459,"usec":252490},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522366,"noise_level":-24.907898,"freq_skew":1.844928,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"LTAI"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110459,"usec":257365},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319950,"noise_level":-24.862167,"freq_skew":5.293508,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42487,"sseq":21,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[4,49]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":21,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":14,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110460,"usec":14460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721648,"noise_level":-24.519352,"freq_skew":4.237460,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110460,"usec":774160},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664870,"noise_level":-24.119490,"freq_skew":5.334776,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":42487,"variable_part_params":[{"name":"checksum","value":[225,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110461,"usec":527721},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523658,"noise_level":-24.943865,"freq_skew":1.843147,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XQ04UA","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110462,"usec":280457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.988950,"noise_level":-24.657063,"freq_skew":5.496016,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110462,"usec":285503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.450517,"noise_level":-24.597874,"freq_skew":1.819249,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110465,"usec":359556},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086708,"noise_level":-23.296291,"freq_skew":11.135903,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110466,"usec":139426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614509,"noise_level":-22.790792,"freq_skew":4.188584,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42699,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[168,118,43,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110468,"usec":419756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.307675,"noise_level":-23.025286,"freq_skew":2.343608,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110469,"usec":930092},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479995,"noise_level":-22.442341,"freq_skew":4.291230,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42699,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[168,118,43,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110476,"usec":816417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.767515,"noise_level":-21.098583,"freq_skew":5.600827,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110479,"usec":128794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775762,"noise_level":-20.380001,"freq_skew":2.295924,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110479,"usec":133988},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281670,"noise_level":-20.343779,"freq_skew":3.273489,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110482,"usec":928593},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050308,"noise_level":-20.673820,"freq_skew":4.703503,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[243,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110486,"usec":11988},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967565,"noise_level":-21.541693,"freq_skew":2.395619,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110486,"usec":751651},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740128,"noise_level":-21.469383,"freq_skew":4.934035,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":243,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[226,29]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110486,"usec":773150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856209,"noise_level":-21.245966,"freq_skew":5.382026,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110487,"usec":513095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845046,"noise_level":-21.195982,"freq_skew":5.180044,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110489,"usec":57413},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036579,"noise_level":-20.515591,"freq_skew":2.078472,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"LH004R","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110489,"usec":804052},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256276,"noise_level":-20.838699,"freq_skew":7.553415,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":253,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42526,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[189,141]},{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110491,"usec":364075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291841,"noise_level":-20.391232,"freq_skew":10.916379,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110492,"usec":887209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768551,"noise_level":-19.998600,"freq_skew":11.093860,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110493,"usec":629728},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511387,"noise_level":-19.852201,"freq_skew":1.944093,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42542,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[43,207,235,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110495,"usec":147856},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443742,"noise_level":-20.196657,"freq_skew":11.147063,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110498,"usec":986332},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.379501,"noise_level":-20.365761,"freq_skew":4.004401,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46137,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[6,1,103,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110502,"usec":799479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.726736,"noise_level":-19.238592,"freq_skew":7.993252,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110503,"usec":539076},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.551410,"noise_level":-19.175169,"freq_skew":11.100909,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,78,65,88,0,71,132,194,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110504,"usec":309101},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330273,"noise_level":-18.978979,"freq_skew":8.195517,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48165,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[131,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":15,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110505,"usec":858654},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508616,"noise_level":-18.792896,"freq_skew":8.080120,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110505,"usec":867554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.393545,"noise_level":-18.805387,"freq_skew":11.080505,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110505,"usec":883016},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086803,"noise_level":-18.692575,"freq_skew":8.216196,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48165,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[149,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110507,"usec":391381},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.657901,"noise_level":-18.384277,"freq_skew":2.382423,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABF","mode":"2","label":"_d","blk_id":"2","ack":"K","flight":"BT0391","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110508,"usec":146218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803289,"noise_level":-18.959801,"freq_skew":4.638944,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110509,"usec":664854},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725585,"noise_level":-19.497660,"freq_skew":4.103545,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110509,"usec":666358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922266,"noise_level":-20.762867,"freq_skew":2.406144,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110511,"usec":993116},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580492,"noise_level":-20.460438,"freq_skew":5.274876,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52465,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[145,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":15,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110512,"usec":752187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.691199,"noise_level":-20.868526,"freq_skew":7.569482,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110513,"usec":511456},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759032,"noise_level":-21.689030,"freq_skew":4.107977,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110513,"usec":513354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336546,"noise_level":-22.157118,"freq_skew":5.193719,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110513,"usec":520452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.215661,"noise_level":-22.926605,"freq_skew":5.270629,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110513,"usec":522593},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.251264,"noise_level":-22.890184,"freq_skew":11.151643,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-NOD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"DY1871","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110514,"usec":277869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009536,"noise_level":-22.627657,"freq_skew":4.155618,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110518,"usec":54762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127621,"noise_level":-22.323326,"freq_skew":6.486567,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110520,"usec":375299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824088,"noise_level":-21.398298,"freq_skew":4.618478,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110520,"usec":375772},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691403,"noise_level":-22.303343,"freq_skew":5.271126,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52465,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,7]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":15,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110521,"usec":155207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117163,"noise_level":-22.580263,"freq_skew":6.364332,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110521,"usec":903728},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.459507,"noise_level":-22.622471,"freq_skew":3.672077,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110523,"usec":414803},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.907578,"noise_level":-22.076139,"freq_skew":10.939108,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,132,194,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110524,"usec":180827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.484884,"noise_level":-21.722670,"freq_skew":10.936682,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110524,"usec":186143},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.070952,"noise_level":-21.659351,"freq_skew":6.054553,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110525,"usec":735718},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515471,"noise_level":-21.268715,"freq_skew":4.637308,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":4,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42787,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[212,60,33,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110525,"usec":744578},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547874,"noise_level":-21.188669,"freq_skew":4.692819,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":4,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":66,"dst_ref":42787,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[137,87,67,125]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110527,"usec":268977},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901898,"noise_level":-21.615685,"freq_skew":5.553679,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48142,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[184,155]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110530,"usec":282373},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124891,"noise_level":-22.951626,"freq_skew":5.529149,"avlc":{"src":{"addr":"4CADFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHS","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR82WM","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110531,"usec":860456},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031950,"noise_level":-22.407761,"freq_skew":2.407523,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60019,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[201,111,241,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110534,"usec":894086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.272396,"noise_level":-21.489635,"freq_skew":6.369625,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110534,"usec":908402},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528534,"noise_level":-21.387131,"freq_skew":2.509573,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110537,"usec":169824},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900987,"noise_level":-21.516333,"freq_skew":4.635528,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":141,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110539,"usec":489837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242813,"noise_level":-23.149271,"freq_skew":5.894189,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110541,"usec":27847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349585,"noise_level":-23.911180,"freq_skew":6.202431,"avlc":{"src":{"addr":"4BC85A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110541,"usec":778826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585700,"noise_level":-23.629637,"freq_skew":4.205420,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110544,"usec":39303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379927,"noise_level":-23.549202,"freq_skew":6.160664,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110551,"usec":744934},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.548481,"noise_level":-25.574097,"freq_skew":3.869697,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110552,"usec":483884},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322883,"noise_level":-25.524734,"freq_skew":4.649881,"avlc":{"src":{"addr":"44017A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":9,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110556,"usec":275509},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642488,"noise_level":-24.959871,"freq_skew":3.961651,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":5,"lifetime":72.000000,"flags":131,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[160,37,156,130,198,220,170,66,10,10,144,150,16,90,58,204,240,0]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110556,"usec":278365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090589,"noise_level":-25.776606,"freq_skew":2.995603,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110556,"usec":293254},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778409,"noise_level":-25.510471,"freq_skew":4.830420,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1150,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110557,"usec":799607},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.902988,"noise_level":-26.375912,"freq_skew":5.037100,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110560,"usec":122371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956268,"noise_level":-26.174910,"freq_skew":2.233994,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110561,"usec":638469},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745058,"noise_level":-26.597397,"freq_skew":3.905520,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110564,"usec":695693},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869012,"noise_level":-28.028919,"freq_skew":4.110752,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[16,31,254,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110566,"usec":231802},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.557290,"noise_level":-28.568842,"freq_skew":3.715831,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110567,"usec":13263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535975,"noise_level":-27.683714,"freq_skew":4.845250,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110567,"usec":757842},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.547109,"noise_level":-27.353462,"freq_skew":3.732218,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110569,"usec":282433},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.673623,"noise_level":-26.305389,"freq_skew":3.992849,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCL","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"PC276N","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110570,"usec":802331},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.169754,"noise_level":-25.402569,"freq_skew":4.134666,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46137,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[131,15,175,83]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46137,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[44,109,65,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":16,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110570,"usec":803660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262345,"noise_level":-25.386406,"freq_skew":3.732087,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110572,"usec":345764},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523890,"noise_level":-24.808552,"freq_skew":5.533375,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3531,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110573,"usec":125217},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815194,"noise_level":-25.259846,"freq_skew":1.885091,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46136,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,90,169,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110573,"usec":869982},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261503,"noise_level":-25.865192,"freq_skew":5.279095,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48074,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[64,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110573,"usec":893139},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.615959,"noise_level":-26.017395,"freq_skew":4.727208,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,122]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110575,"usec":383181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219774,"noise_level":-25.253201,"freq_skew":2.660094,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110577,"usec":675220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923307,"noise_level":-24.425938,"freq_skew":5.298024,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110578,"usec":411924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895643,"noise_level":-25.259924,"freq_skew":5.195441,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110578,"usec":416142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.003244,"noise_level":-25.117853,"freq_skew":3.691612,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110579,"usec":223968},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.363894,"noise_level":-24.795122,"freq_skew":7.543023,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":253,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42526,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[189,141]},{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110579,"usec":227959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557744,"noise_level":-24.734985,"freq_skew":2.633115,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110583,"usec":23742},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.986221,"noise_level":-23.184334,"freq_skew":4.637893,"avlc":{"src":{"addr":"44017A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LIRI"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":6.000000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110583,"usec":27490},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.393671,"noise_level":-23.159304,"freq_skew":4.143574,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110585,"usec":338633},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.472078,"noise_level":-23.340437,"freq_skew":7.404047,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110586,"usec":104686},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230559,"noise_level":-22.856539,"freq_skew":4.845925,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48176,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[94,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110587,"usec":625211},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578342,"noise_level":-22.893620,"freq_skew":6.082072,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[30,71,81,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110589,"usec":155750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.179110,"noise_level":-22.826031,"freq_skew":11.098241,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110589,"usec":913533},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959822,"noise_level":-22.577085,"freq_skew":3.798933,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110590,"usec":646506},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401490,"noise_level":-22.426476,"freq_skew":4.658712,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":243,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[226,29]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"undefined"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110591,"usec":432913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.102824,"noise_level":-22.409046,"freq_skew":4.002899,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCL","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"PC276N","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110592,"usec":225552},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951297,"noise_level":-22.238791,"freq_skew":4.042702,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAI"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":12.200000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110596,"usec":786583},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.430928,"noise_level":-20.902327,"freq_skew":11.118372,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22665,"dst_ref":46161,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[72,252,11,168]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110596,"usec":789115},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.390076,"noise_level":-20.883074,"freq_skew":4.056732,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734154","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,108,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110597,"usec":554716},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919508,"noise_level":-20.617926,"freq_skew":8.087110,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":171,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110599,"usec":875120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788690,"noise_level":-20.492687,"freq_skew":8.025476,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110602,"usec":898806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.451541,"noise_level":-19.677246,"freq_skew":4.044546,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110603,"usec":654669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667473,"noise_level":-19.495047,"freq_skew":7.581742,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-CAMO","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"GS081T","msg_num":"M21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110605,"usec":922379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387313,"noise_level":-19.335865,"freq_skew":2.313305,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110605,"usec":929446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.592323,"noise_level":-19.200138,"freq_skew":10.973979,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110609,"usec":772273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060034,"noise_level":-18.660011,"freq_skew":5.977665,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110610,"usec":548616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073769,"noise_level":-18.374432,"freq_skew":4.967425,"avlc":{"src":{"addr":"4CADBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110611,"usec":289293},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955234,"noise_level":-18.274162,"freq_skew":5.862760,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42758,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,115,70,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":16,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110616,"usec":640616},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821216,"noise_level":-18.347187,"freq_skew":2.683313,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":651,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110619,"usec":728341},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679705,"noise_level":-18.542377,"freq_skew":2.295669,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110621,"usec":255130},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097500,"noise_level":-19.235783,"freq_skew":5.908754,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110622,"usec":764782},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.319828,"noise_level":-19.151400,"freq_skew":2.432633,"avlc":{"src":{"addr":"AC9F88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110624,"usec":293034},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263557,"noise_level":-19.387741,"freq_skew":4.250306,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[38]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":7.400000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110625,"usec":34426},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248988,"noise_level":-19.307167,"freq_skew":6.051054,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,0,157,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110625,"usec":36842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237877,"noise_level":-19.275146,"freq_skew":3.820471,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANCW","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"DE02CF","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110625,"usec":39824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267963,"noise_level":-19.227335,"freq_skew":3.609728,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110625,"usec":42062},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066528,"noise_level":-19.187691,"freq_skew":3.781212,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.500000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110628,"usec":119831},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503286,"noise_level":-19.513403,"freq_skew":2.256144,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AFYR","mode":"2","label":"_d","blk_id":"2","ack":"L","flight":"LH0052","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110630,"usec":419729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.574839,"noise_level":-20.313787,"freq_skew":7.984630,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110631,"usec":174528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640768,"noise_level":-21.262320,"freq_skew":6.157931,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110638,"usec":813472},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337667,"noise_level":-19.825119,"freq_skew":2.622225,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110641,"usec":135778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.695194,"noise_level":-20.214676,"freq_skew":3.587530,"avlc":{"src":{"addr":"4692D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110641,"usec":877618},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755210,"noise_level":-20.082142,"freq_skew":5.167712,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52465,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[32,47]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110641,"usec":893087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613259,"noise_level":-20.528008,"freq_skew":2.598508,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110644,"usec":167126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.875092,"noise_level":-20.733931,"freq_skew":1.901661,"avlc":{"src":{"addr":"502D47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110644,"usec":909940},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869254,"noise_level":-20.649279,"freq_skew":3.440444,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"LH007F","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110644,"usec":911566},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.479107,"noise_level":-20.639923,"freq_skew":5.929953,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,0,157,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110645,"usec":673983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.842656,"noise_level":-23.434795,"freq_skew":7.678280,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110647,"usec":996157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209162,"noise_level":-23.450397,"freq_skew":2.233532,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110648,"usec":11355},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437866,"noise_level":-23.819805,"freq_skew":4.629683,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":243,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[243,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110651,"usec":784561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862251,"noise_level":-22.415953,"freq_skew":4.664745,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110652,"usec":548202},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.846814,"noise_level":-22.111616,"freq_skew":4.373259,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.500000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110652,"usec":563349},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255620,"noise_level":-21.914494,"freq_skew":2.211833,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110653,"usec":355238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775207,"noise_level":-21.785522,"freq_skew":5.754915,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110654,"usec":104960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.471282,"noise_level":-23.496449,"freq_skew":4.203956,"avlc":{"src":{"addr":"4BB86C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110654,"usec":117103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.369710,"noise_level":-23.367500,"freq_skew":2.399193,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46116,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[80,176,240,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110655,"usec":656079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.991024,"noise_level":-22.714310,"freq_skew":10.156420,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":6.100000},"alt":27000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110656,"usec":398207},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.069772,"noise_level":-22.480049,"freq_skew":4.318176,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTF","mode":"2","label":"10","blk_id":"6","ack":"!","flight":"GS0000","msg_num":"M22","msg_num_seq":"A","msg_text":"/N51.452/E007.285/10/0.67/120/240/LGKR/1239/0065/00027/DOMEG/HEFME/1020/GMH /1019/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110657,"usec":151974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992610,"noise_level":-23.609444,"freq_skew":10.919773,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110660,"usec":984811},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378711,"noise_level":-23.994066,"freq_skew":3.494694,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH007F","msg_num":"M20","msg_num_seq":"A","msg_text":"00098234218DA3T531 1EDDYEVKP0EYGUE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110663,"usec":254546},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973042,"noise_level":-23.964970,"freq_skew":3.800522,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"LH007F","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110664,"usec":799495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639005,"noise_level":-24.186874,"freq_skew":3.796102,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110664,"usec":799840},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.669120,"noise_level":-24.186874,"freq_skew":10.920128,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110667,"usec":114630},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.606150,"noise_level":-23.975807,"freq_skew":2.565228,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N2250U","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"UA0043","msg_num":"C40","msg_num_seq":"A","sublabel":"CF","msg_text":"RTE 1 15JUL26 1017 UAN2250U UAL43 EDDF/KEWR 311B-BCG-00W-19 L 0949 15JUL26\r\nEOR\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110667,"usec":115452},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.437014,"noise_level":-23.975807,"freq_skew":3.675524,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANCW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DE02CF","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110668,"usec":615138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958001,"noise_level":-23.657455,"freq_skew":2.354160,"avlc":{"src":{"addr":"A1F5FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110668,"usec":620574},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656083,"noise_level":-24.440151,"freq_skew":10.510029,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":6.100000},"alt":27000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110669,"usec":380792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.590978,"noise_level":-24.814644,"freq_skew":3.843956,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110669,"usec":404975},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200284,"noise_level":-24.720463,"freq_skew":10.924224,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110674,"usec":7273},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875351,"noise_level":-23.058418,"freq_skew":4.000089,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"HKJK"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.500000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110677,"usec":783751},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309906,"noise_level":-23.940647,"freq_skew":3.840801,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,70,71,0,60,120,119,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110681,"usec":627824},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.394781,"noise_level":-22.346258,"freq_skew":10.968475,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110683,"usec":135860},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056262,"noise_level":-22.617056,"freq_skew":6.000995,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110683,"usec":903108},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808374,"noise_level":-22.283096,"freq_skew":3.979725,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"HKJK"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.500000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110685,"usec":407639},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.998463,"noise_level":-23.241110,"freq_skew":3.472482,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":60022,"variable_part_params":[{"name":"checksum","value":[38,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110685,"usec":409068},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501465,"noise_level":-23.190796,"freq_skew":1.944015,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFK","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH8400","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110686,"usec":971324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782326,"noise_level":-23.564672,"freq_skew":4.024283,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110686,"usec":971818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954618,"noise_level":-23.564672,"freq_skew":1.925673,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110687,"usec":733760},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472643,"noise_level":-23.873482,"freq_skew":6.293530,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110687,"usec":740969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891887,"noise_level":-23.792456,"freq_skew":2.107715,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110687,"usec":746901},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.253515,"noise_level":-23.725508,"freq_skew":3.535060,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":63,"dst_ref":60046,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[58,11,236,150]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110690,"usec":14381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.440795,"noise_level":-23.154499,"freq_skew":7.781618,"avlc":{"src":{"addr":"4CA8E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110690,"usec":793033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573066,"noise_level":-22.787668,"freq_skew":3.096253,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110691,"usec":539621},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187177,"noise_level":-23.103580,"freq_skew":11.062338,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110692,"usec":304785},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282949,"noise_level":-22.822594,"freq_skew":1.976646,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"lcr_cause","value":{"cause_code":3,"cause_descr":"Terrestrial network not available","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110693,"usec":59187},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.639368,"noise_level":-22.632351,"freq_skew":3.610981,"avlc":{"src":{"addr":"3C7877","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60046,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[241,7,118,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110693,"usec":857568},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749148,"noise_level":-22.297812,"freq_skew":4.649497,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[190,201]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110696,"usec":135601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646809,"noise_level":-23.400429,"freq_skew":3.816304,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110696,"usec":880673},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450485,"noise_level":-24.243546,"freq_skew":4.660520,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,122]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110698,"usec":402899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.783894,"noise_level":-23.735828,"freq_skew":2.504849,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110698,"usec":409864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.535813,"noise_level":-23.682575,"freq_skew":4.837622,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110699,"usec":166951},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.594164,"noise_level":-23.344172,"freq_skew":4.901993,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42803,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[130,65,231,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110699,"usec":171989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.864478,"noise_level":-23.293259,"freq_skew":4.524528,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110704,"usec":518256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603804,"noise_level":-22.382753,"freq_skew":1.858025,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110706,"usec":40589},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854840,"noise_level":-22.702526,"freq_skew":4.468772,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110708,"usec":382567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933547,"noise_level":-22.317085,"freq_skew":4.732952,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110710,"usec":629642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404777,"noise_level":-23.592823,"freq_skew":4.555181,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110710,"usec":631111},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838960,"noise_level":-23.553505,"freq_skew":4.587244,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110712,"usec":156862},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.337449,"noise_level":-23.020950,"freq_skew":5.886451,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[210,204,207,217]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42758,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[212,249,205,170]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":18,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110713,"usec":675652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.567484,"noise_level":-23.025894,"freq_skew":2.226546,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110716,"usec":4564},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735345,"noise_level":-24.202997,"freq_skew":2.999269,"avlc":{"src":{"addr":"AAF0C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110716,"usec":16594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129934,"noise_level":-24.049355,"freq_skew":6.070563,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110716,"usec":772134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.738170,"noise_level":-23.723274,"freq_skew":2.106819,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110717,"usec":527930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596407,"noise_level":-23.638966,"freq_skew":4.297107,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110719,"usec":788841},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.243506,"noise_level":-23.383678,"freq_skew":3.107718,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110720,"usec":592381},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.463943,"noise_level":-23.143873,"freq_skew":4.921063,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42803,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[130,65,231,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110724,"usec":390564},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014739,"noise_level":-21.817135,"freq_skew":4.030507,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110724,"usec":394021},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665312,"noise_level":-21.785072,"freq_skew":5.045353,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42803,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[130,65,231,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110725,"usec":910069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516228,"noise_level":-21.338060,"freq_skew":2.615493,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110725,"usec":921024},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.089334,"noise_level":-21.237318,"freq_skew":6.000924,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42758,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,192,148,121]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":18,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110725,"usec":921730},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799840,"noise_level":-21.237318,"freq_skew":1.962058,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110727,"usec":468232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604552,"noise_level":-21.270088,"freq_skew":2.881387,"avlc":{"src":{"addr":"AAF0C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110729,"usec":758403},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699338,"noise_level":-20.602694,"freq_skew":3.703303,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42594,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[88,181]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110731,"usec":270126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.469442,"noise_level":-20.193529,"freq_skew":5.209186,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110732,"usec":802071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605972,"noise_level":-20.604094,"freq_skew":3.897478,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110734,"usec":365780},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623060,"noise_level":-20.478687,"freq_skew":2.163208,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":38,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110735,"usec":879575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.555174,"noise_level":-20.101513,"freq_skew":5.428483,"avlc":{"src":{"addr":"40772E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110737,"usec":409697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008091,"noise_level":-20.348509,"freq_skew":4.589362,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110738,"usec":146705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871721,"noise_level":-20.213932,"freq_skew":2.181472,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110738,"usec":157428},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.617619,"noise_level":-20.125360,"freq_skew":4.667413,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":26,"dst_ref":243,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[153,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110739,"usec":677212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590611,"noise_level":-20.795193,"freq_skew":4.670206,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110742,"usec":748574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301940,"noise_level":-20.722569,"freq_skew":4.461920,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110743,"usec":492609},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732433,"noise_level":-20.600716,"freq_skew":6.182560,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":26,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110743,"usec":511163},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566742,"noise_level":-21.898539,"freq_skew":5.146734,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":15,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42811,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[8,155,200,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110745,"usec":770566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552723,"noise_level":-21.943787,"freq_skew":5.240608,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110747,"usec":287937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.250620,"noise_level":-22.208578,"freq_skew":10.178802,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110747,"usec":291697},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940384,"noise_level":-22.108353,"freq_skew":10.299085,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":223,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":6,"ack":4,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110747,"usec":292801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.191587,"noise_level":-22.086235,"freq_skew":4.426472,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110748,"usec":98871},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644895,"noise_level":-21.889679,"freq_skew":4.514702,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46158,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[3,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110748,"usec":876882},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.553266,"noise_level":-21.746956,"freq_skew":10.145793,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110749,"usec":616357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896410,"noise_level":-21.662399,"freq_skew":3.889977,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110749,"usec":630223},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.413794,"noise_level":-21.537090,"freq_skew":2.450343,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENF","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"LH03EZ","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110751,"usec":143604},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535583,"noise_level":-21.358404,"freq_skew":10.152649,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110752,"usec":644405},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.001693,"noise_level":-20.836134,"freq_skew":2.325077,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENF","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"LH03EZ","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110754,"usec":186206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353316,"noise_level":-21.138474,"freq_skew":10.273805,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110755,"usec":733063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.958548,"noise_level":-21.196022,"freq_skew":10.370947,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110757,"usec":269258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.368279,"noise_level":-21.497137,"freq_skew":7.480407,"avlc":{"src":{"addr":"3CC146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110759,"usec":528427},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.932804,"noise_level":-22.254108,"freq_skew":3.159739,"avlc":{"src":{"addr":"A6ABEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110760,"usec":292637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960903,"noise_level":-21.966181,"freq_skew":10.386302,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110770,"usec":236308},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653282,"noise_level":-19.715969,"freq_skew":2.133314,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110776,"usec":370600},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855082,"noise_level":-20.064774,"freq_skew":10.099146,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48072,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[97,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110776,"usec":382654},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492978,"noise_level":-19.969040,"freq_skew":3.942959,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":442,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110777,"usec":126577},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963660,"noise_level":-20.733164,"freq_skew":10.303617,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48072,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[124,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":19,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE"}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110779,"usec":397783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190475,"noise_level":-21.706139,"freq_skew":10.169238,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110780,"usec":162372},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925357,"noise_level":-21.303345,"freq_skew":4.659272,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42589,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[113,161]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110783,"usec":244136},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937725,"noise_level":-21.305119,"freq_skew":4.047744,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110784,"usec":761245},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.654047,"noise_level":-20.907188,"freq_skew":3.691968,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110786,"usec":274462},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911731,"noise_level":-20.437977,"freq_skew":4.877256,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48176,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[21,35]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110789,"usec":360783},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065544,"noise_level":-20.236090,"freq_skew":10.799669,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21702302","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,132,194,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110790,"usec":111216},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826713,"noise_level":-20.491730,"freq_skew":4.020632,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48155,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[188,136,151,108]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":19,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110791,"usec":647479},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030112,"noise_level":-20.280880,"freq_skew":3.844489,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48155,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[42,181,124,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110792,"usec":391057},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155901,"noise_level":-21.286919,"freq_skew":10.175307,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48072,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[68,185]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110793,"usec":146300},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.048621,"noise_level":-21.077917,"freq_skew":5.537589,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110793,"usec":908148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977996,"noise_level":-21.311649,"freq_skew":3.777745,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110794,"usec":662641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842498,"noise_level":-21.211214,"freq_skew":4.631147,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110799,"usec":287007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769435,"noise_level":-20.393648,"freq_skew":4.780716,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110803,"usec":113167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377527,"noise_level":-21.111870,"freq_skew":4.873290,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110805,"usec":393603},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599983,"noise_level":-20.711538,"freq_skew":3.761610,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110806,"usec":146806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.815560,"noise_level":-21.497791,"freq_skew":3.594656,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[16,31,254,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110808,"usec":460868},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665160,"noise_level":-21.345919,"freq_skew":4.907256,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48176,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[90,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110809,"usec":242959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.425622,"noise_level":-20.998016,"freq_skew":4.854363,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110811,"usec":505845},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934988,"noise_level":-21.395128,"freq_skew":5.548872,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110811,"usec":513893},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805605,"noise_level":-21.658348,"freq_skew":4.571437,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110812,"usec":260452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739553,"noise_level":-22.421204,"freq_skew":11.055040,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110813,"usec":24432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009571,"noise_level":-21.995621,"freq_skew":4.857338,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110817,"usec":632233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.299614,"noise_level":-21.498283,"freq_skew":2.838145,"avlc":{"src":{"addr":"AAF0C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110817,"usec":633271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558960,"noise_level":-21.487968,"freq_skew":3.860566,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110819,"usec":890411},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354394,"noise_level":-21.526604,"freq_skew":2.257415,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[252,206,252,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110819,"usec":906306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.430285,"noise_level":-21.372650,"freq_skew":2.270855,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110821,"usec":423051},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664217,"noise_level":-21.838970,"freq_skew":6.167200,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":305,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,74,85,0,68,0,178],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110822,"usec":974811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.630427,"noise_level":-21.399445,"freq_skew":4.497207,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60036,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[94,234,251,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110822,"usec":995715},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758800,"noise_level":-21.227676,"freq_skew":2.160788,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"dst_airport","value":"ZSPD"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":10.700000},"alt":222000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110823,"usec":750985},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738944,"noise_level":-22.639341,"freq_skew":1.897720,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH8400","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110826,"usec":21191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.299417,"noise_level":-22.021969,"freq_skew":4.858018,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110826,"usec":764186},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.689697,"noise_level":-21.678059,"freq_skew":2.103101,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"-------","mode":"2","label":"83","blk_id":"6","ack":"!","flight":"UV0001","msg_num":"M04","msg_num_seq":"A","msg_text":"001PR15102023N4657.1E01122.2260418 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110829,"usec":84844},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.383235,"noise_level":-21.481056,"freq_skew":3.610842,"avlc":{"src":{"addr":"407182","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110829,"usec":867839},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005424,"noise_level":-21.009926,"freq_skew":6.082208,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[210,204,207,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110830,"usec":619982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573168,"noise_level":-20.884001,"freq_skew":6.161693,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110830,"usec":630267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.226829,"noise_level":-20.788364,"freq_skew":4.220060,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110830,"usec":632321},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.702127,"noise_level":-20.769363,"freq_skew":3.396342,"avlc":{"src":{"addr":"407182","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110831,"usec":367974},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741250,"noise_level":-20.674973,"freq_skew":6.434227,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,74,85,0,68,0,178,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110832,"usec":885000},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941349,"noise_level":-21.179884,"freq_skew":3.742184,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42594,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[88,181]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110833,"usec":660185},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679472,"noise_level":-20.819328,"freq_skew":6.052408,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":309,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110834,"usec":406565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702859,"noise_level":-20.677317,"freq_skew":6.147329,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110835,"usec":170184},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.914207,"noise_level":-20.409174,"freq_skew":11.138892,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":8,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110840,"usec":518062},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.497866,"noise_level":-20.707203,"freq_skew":3.500872,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110841,"usec":291176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889262,"noise_level":-20.493137,"freq_skew":2.306474,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110842,"usec":856977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.476696,"noise_level":-20.758949,"freq_skew":6.097709,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110842,"usec":858693},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725688,"noise_level":-20.749474,"freq_skew":2.019414,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42784,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[93,105,253,231]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110845,"usec":871211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.581105,"noise_level":-22.576347,"freq_skew":10.883258,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110851,"usec":233404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535606,"noise_level":-21.570015,"freq_skew":4.589166,"avlc":{"src":{"addr":"4BCDAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110851,"usec":249667},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228944,"noise_level":-21.825705,"freq_skew":4.528848,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110855,"usec":32234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587945,"noise_level":-22.386333,"freq_skew":3.674854,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110855,"usec":849308},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871135,"noise_level":-22.307430,"freq_skew":5.621811,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":11.200000},"alt":0}},{"name":"alternate_ground_stations","value":["109B5A","10924A","109CBA","10F68A","10923A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110857,"usec":352256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703455,"noise_level":-23.838364,"freq_skew":4.596917,"avlc":{"src":{"addr":"44017A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110860,"usec":379908},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552923,"noise_level":-24.740774,"freq_skew":2.049811,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110861,"usec":163350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825332,"noise_level":-25.153837,"freq_skew":3.548445,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110862,"usec":705767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769510,"noise_level":-25.882168,"freq_skew":3.749061,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110862,"usec":706547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.264555,"noise_level":-25.882168,"freq_skew":3.791684,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110862,"usec":722022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695078,"noise_level":-26.007362,"freq_skew":4.659851,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110863,"usec":482207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866614,"noise_level":-25.518364,"freq_skew":2.046377,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110865,"usec":2077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413437,"noise_level":-25.562334,"freq_skew":5.178271,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110867,"usec":278015},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327352,"noise_level":-25.637959,"freq_skew":4.426200,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[186,204]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110867,"usec":286689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567606,"noise_level":-25.505980,"freq_skew":4.980091,"avlc":{"src":{"addr":"4CA84D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110868,"usec":14048},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340122,"noise_level":-25.614433,"freq_skew":4.395990,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[247,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110868,"usec":14239},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524975,"noise_level":-26.359936,"freq_skew":5.106791,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110869,"usec":587860},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.888517,"noise_level":-26.153339,"freq_skew":4.771927,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110869,"usec":589606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201221,"noise_level":-26.135719,"freq_skew":6.196809,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110871,"usec":115895},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307527,"noise_level":-26.265432,"freq_skew":4.676672,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110872,"usec":645831},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140780,"noise_level":-26.230871,"freq_skew":4.357685,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[247,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110873,"usec":387006},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640038,"noise_level":-25.899132,"freq_skew":4.427920,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[247,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110875,"usec":666259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649357,"noise_level":-24.867657,"freq_skew":4.513155,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110876,"usec":479479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120361,"noise_level":-24.671915,"freq_skew":3.110752,"avlc":{"src":{"addr":"4BA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110877,"usec":230623},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.000444,"noise_level":-24.437138,"freq_skew":4.620868,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48090,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[243,62]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110877,"usec":233482},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924350,"noise_level":-24.408230,"freq_skew":10.981064,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110878,"usec":767459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360444,"noise_level":-24.303753,"freq_skew":4.630454,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110879,"usec":501725},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438176,"noise_level":-25.063988,"freq_skew":5.345244,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR8527","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110879,"usec":520120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670071,"noise_level":-24.864023,"freq_skew":2.687792,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110879,"usec":520941},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367790,"noise_level":-25.328169,"freq_skew":3.461704,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":11.300000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110881,"usec":29873},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802835,"noise_level":-24.684887,"freq_skew":5.566134,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110882,"usec":537038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966996,"noise_level":-24.108599,"freq_skew":6.143581,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110883,"usec":335460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850278,"noise_level":-23.793764,"freq_skew":5.535393,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110883,"usec":342100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598506,"noise_level":-23.713474,"freq_skew":2.977269,"avlc":{"src":{"addr":"4BA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110884,"usec":875231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.392581,"noise_level":-24.025635,"freq_skew":6.004534,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110885,"usec":618624},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806894,"noise_level":-23.902254,"freq_skew":4.447548,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221550","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,104,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110885,"usec":632278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996366,"noise_level":-23.727072,"freq_skew":4.631781,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUR","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR03WU","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110885,"usec":637138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.492423,"noise_level":-23.660622,"freq_skew":5.283813,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110885,"usec":638353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613300,"noise_level":-23.647394,"freq_skew":5.429297,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110886,"usec":400416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978093,"noise_level":-23.840158,"freq_skew":4.392049,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110887,"usec":904663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131070,"noise_level":-23.518539,"freq_skew":3.901965,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJR","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"LH02ER","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110887,"usec":910950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795251,"noise_level":-23.453659,"freq_skew":2.480739,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48177,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,7,198,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110890,"usec":211969},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595298,"noise_level":-22.578537,"freq_skew":5.630155,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":11.500000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110896,"usec":337995},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260034,"noise_level":-21.309282,"freq_skew":4.942036,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42803,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[25,244,125,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110899,"usec":364315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704240,"noise_level":-21.839291,"freq_skew":4.087646,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110899,"usec":381808},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531096,"noise_level":-22.478333,"freq_skew":2.285208,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46116,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[35,140,125,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110899,"usec":382157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519001,"noise_level":-22.478333,"freq_skew":3.997213,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110900,"usec":137316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.996747,"noise_level":-22.938864,"freq_skew":11.013559,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110903,"usec":217105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728981,"noise_level":-22.674711,"freq_skew":3.502031,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110903,"usec":219838},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.428736,"noise_level":-23.553043,"freq_skew":2.437722,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46116,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[35,140,125,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110904,"usec":721352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907039,"noise_level":-23.082226,"freq_skew":0.798618,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110907,"usec":771749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743602,"noise_level":-23.560143,"freq_skew":3.731199,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110909,"usec":276705},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879465,"noise_level":-23.966488,"freq_skew":5.414357,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42826,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[187,131]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110909,"usec":277319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.547750,"noise_level":-23.966488,"freq_skew":4.334133,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110909,"usec":294298},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840880,"noise_level":-23.736437,"freq_skew":5.499530,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42826,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[25,130]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5055066,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR8527","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[77,34,90],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[77,34,90],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LICR","destination_airport":"EBCI"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110913,"usec":145552},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790482,"noise_level":-22.439802,"freq_skew":2.293411,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":29,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110913,"usec":897474},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010871,"noise_level":-22.640923,"freq_skew":5.516188,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42826,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[90,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110915,"usec":421608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.874061,"noise_level":-22.482302,"freq_skew":7.043287,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EBO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR006B","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110916,"usec":168351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002282,"noise_level":-22.254139,"freq_skew":2.510430,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[252,206,252,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110916,"usec":952523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110172,"noise_level":-22.668314,"freq_skew":5.360314,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110917,"usec":733345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659958,"noise_level":-23.717587,"freq_skew":4.680853,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110918,"usec":490252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605078,"noise_level":-23.590923,"freq_skew":2.386399,"avlc":{"src":{"addr":"3C55C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110919,"usec":262363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849519,"noise_level":-23.193050,"freq_skew":6.244309,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110919,"usec":266932},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555173,"noise_level":-23.934023,"freq_skew":4.531674,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110923,"usec":103568},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909154,"noise_level":-23.869759,"freq_skew":5.838093,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110925,"usec":362553},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.471381,"noise_level":-23.362883,"freq_skew":2.521840,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LGIR"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":7.400000},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110926,"usec":132675},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804919,"noise_level":-22.988804,"freq_skew":3.778407,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110926,"usec":873639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.420465,"noise_level":-23.364698,"freq_skew":2.644887,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110926,"usec":886226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565841,"noise_level":-23.670561,"freq_skew":2.863445,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110926,"usec":894020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203138,"noise_level":-23.565170,"freq_skew":3.491641,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110927,"usec":628263},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.884250,"noise_level":-23.751402,"freq_skew":3.527555,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,70,72,77,0,77,34,74],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110928,"usec":393176},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396528,"noise_level":-23.449032,"freq_skew":2.630266,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110930,"usec":709548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083609,"noise_level":-22.784843,"freq_skew":2.785846,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110932,"usec":987731},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797999,"noise_level":-22.256613,"freq_skew":3.810812,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42594,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[88,181]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110933,"usec":755957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.631949,"noise_level":-22.133596,"freq_skew":3.452708,"avlc":{"src":{"addr":"440CBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110936,"usec":833247},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829219,"noise_level":-21.177670,"freq_skew":3.919298,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"dst_airport","value":"LTBJ"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":5.600000},"alt":100000}},{"name":"alternate_ground_stations","value":["11981A","10942A","10910A","109C2A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110936,"usec":836347},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016830,"noise_level":-21.269396,"freq_skew":2.577079,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,70,72,77,0,77,34,74,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110938,"usec":345444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609943,"noise_level":-21.373077,"freq_skew":1.822299,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110938,"usec":350679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187411,"noise_level":-21.322355,"freq_skew":4.490774,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110939,"usec":123774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837180,"noise_level":-20.917261,"freq_skew":2.783446,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110941,"usec":378196},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.936239,"noise_level":-20.429249,"freq_skew":3.581729,"avlc":{"src":{"addr":"440CBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":1,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46182,"credit":4,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[151,136,98,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110941,"usec":382884},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149323,"noise_level":-20.369690,"freq_skew":3.737908,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42594,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[88,181]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110946,"usec":748441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638984,"noise_level":-21.230743,"freq_skew":4.591380,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"_d","blk_id":"6","ack":"D","flight":"X308GT","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110947,"usec":514338},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330216,"noise_level":-21.115892,"freq_skew":4.619709,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"X308GT","msg_num":"M39","msg_num_seq":"A","msg_text":"/EDDK.TI2/040EDDKAC19E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110948,"usec":278610},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674642,"noise_level":-21.214771,"freq_skew":4.602118,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"_d","blk_id":"8","ack":"E","flight":"X308GT","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110950,"usec":595332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265605,"noise_level":-21.916647,"freq_skew":3.560860,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110951,"usec":346549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458591,"noise_level":-21.787643,"freq_skew":4.343029,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"X308GT","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110952,"usec":99051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048767,"noise_level":-22.603043,"freq_skew":6.292537,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110952,"usec":102528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134922,"noise_level":-23.423748,"freq_skew":2.263687,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110952,"usec":865656},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741299,"noise_level":-23.596094,"freq_skew":3.655867,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJR","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"LH02ER","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110952,"usec":867956},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702925,"noise_level":-24.295835,"freq_skew":4.387150,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABMQ","mode":"2","label":"_d","blk_id":"0","ack":"G","flight":"X308GT","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110957,"usec":463314},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.531433,"noise_level":-23.106642,"freq_skew":10.954161,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":27,"pkt_type_name":"Reset Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":128,"diag_code_descr":"Version number not supported"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110958,"usec":990210},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137190,"noise_level":-22.449024,"freq_skew":3.513157,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDF","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH06AP","msg_num":"M46","msg_num_seq":"A","msg_text":"00034226724WOJ:IT6W+8OTBX9X"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110962,"usec":775328},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072286,"noise_level":-22.078232,"freq_skew":3.472200,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDF","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH06AP","msg_num":"M46","msg_num_seq":"A","msg_text":"00034226724WOJ:IT6W+8OTBX9X"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110962,"usec":777608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709325,"noise_level":-22.056194,"freq_skew":11.205019,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110963,"usec":571884},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008611,"noise_level":-21.849556,"freq_skew":3.712859,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJR","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"LH02ER","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110965,"usec":88805},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466175,"noise_level":-22.184074,"freq_skew":5.908430,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110968,"usec":906046},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.411651,"noise_level":-21.312855,"freq_skew":11.121387,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46171,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[211,127,115,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110978,"usec":98427},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568252,"noise_level":-18.962841,"freq_skew":4.600424,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":26,"dst_ref":243,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[153,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110979,"usec":612142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225367,"noise_level":-18.578350,"freq_skew":4.922620,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110981,"usec":889534},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.291313,"noise_level":-18.642080,"freq_skew":5.849582,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[190,21,109,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110983,"usec":417980},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.296459,"noise_level":-19.774147,"freq_skew":3.345406,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"HECA"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":9.400001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110984,"usec":973443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237544,"noise_level":-20.174505,"freq_skew":3.465524,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110984,"usec":983387},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216482,"noise_level":-20.086330,"freq_skew":11.143013,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110985,"usec":732201},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.655777,"noise_level":-21.207102,"freq_skew":4.772286,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":339,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110986,"usec":499000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120789,"noise_level":-20.932034,"freq_skew":3.781095,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110987,"usec":237302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953010,"noise_level":-20.788183,"freq_skew":0.802766,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110990,"usec":278285},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918294,"noise_level":-21.495361,"freq_skew":4.660360,"avlc":{"src":{"addr":"4CA738","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110992,"usec":603772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975194,"noise_level":-20.994207,"freq_skew":4.499491,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110992,"usec":618427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792428,"noise_level":-21.209385,"freq_skew":3.804891,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110993,"usec":377881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027866,"noise_level":-21.002216,"freq_skew":3.977771,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110994,"usec":137326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.987920,"noise_level":-22.925110,"freq_skew":10.878570,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110994,"usec":877966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186987,"noise_level":-22.792328,"freq_skew":2.249732,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110994,"usec":880428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670209,"noise_level":-22.768402,"freq_skew":4.084370,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110997,"usec":160882},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490497,"noise_level":-22.869576,"freq_skew":1.816736,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBB","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH07LL","msg_num":"M85","msg_num_seq":"A","msg_text":"00070226718DAH356BJUUZ1KY-7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110997,"usec":967719},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744244,"noise_level":-23.244970,"freq_skew":1.898658,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBB","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"LH07LL","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784110999,"usec":482186},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813091,"noise_level":-23.621962,"freq_skew":2.063028,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBB","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"LH07LL","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111001,"usec":762306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690332,"noise_level":-22.615055,"freq_skew":3.849117,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10901A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111002,"usec":513958},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.055771,"noise_level":-22.383423,"freq_skew":4.582855,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46054,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[208,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111003,"usec":282283},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039724,"noise_level":-22.036171,"freq_skew":4.614910,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46054,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[45,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":23,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111006,"usec":366130},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653779,"noise_level":-23.117506,"freq_skew":4.399039,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46054,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[204,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111007,"usec":873599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869547,"noise_level":-23.054623,"freq_skew":2.500657,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111007,"usec":875593},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.321181,"noise_level":-24.057693,"freq_skew":4.398006,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46054,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,244]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":23,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111013,"usec":239412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781362,"noise_level":-22.894266,"freq_skew":2.906696,"avlc":{"src":{"addr":"AAF0C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111014,"usec":752669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324702,"noise_level":-22.376678,"freq_skew":3.876501,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111014,"usec":761253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014501,"noise_level":-22.319765,"freq_skew":4.816547,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111016,"usec":268269},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930090,"noise_level":-22.147526,"freq_skew":0.788518,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPA","mode":"2","label":"_d","blk_id":"4","ack":"A","flight":"XQ04RP","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111018,"usec":600678},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.780473,"noise_level":-21.963606,"freq_skew":4.869482,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111018,"usec":600678},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.780473,"noise_level":-21.963606,"freq_skew":4.869482,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111019,"usec":345009},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860422,"noise_level":-21.737888,"freq_skew":9.956482,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTY","mode":"2","label":"_d","blk_id":"2","ack":"E","flight":"TP05DL","msg_num":"M75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111019,"usec":345531},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.347208,"noise_level":-22.073357,"freq_skew":4.236534,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111020,"usec":121374},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051805,"noise_level":-22.603445,"freq_skew":4.519378,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1074,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46054,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[121,63]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":23,"sec":38}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111020,"usec":876351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.690700,"noise_level":-22.360714,"freq_skew":5.159750,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111020,"usec":879228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.129925,"noise_level":-22.326584,"freq_skew":10.185626,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTY","mode":"2","label":"_d","blk_id":"3","ack":"F","flight":"TP05DL","msg_num":"M76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111023,"usec":967341},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.190252,"noise_level":-21.229422,"freq_skew":5.007437,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,87,71,0,60,84,164,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111026,"usec":222340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204827,"noise_level":-21.132956,"freq_skew":2.684467,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111028,"usec":497579},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805189,"noise_level":-20.536320,"freq_skew":5.039786,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":4}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":8.300000},"alt":34000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111031,"usec":575809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458596,"noise_level":-22.211456,"freq_skew":0.833188,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111033,"usec":106553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050931,"noise_level":-22.280392,"freq_skew":3.564494,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111033,"usec":873092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.360876,"noise_level":-22.001606,"freq_skew":2.478235,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111034,"usec":622837},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936664,"noise_level":-21.828350,"freq_skew":2.081988,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":39,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111034,"usec":625618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.283059,"noise_level":-21.796246,"freq_skew":4.111858,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111036,"usec":144786},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.745268,"noise_level":-21.358824,"freq_skew":2.143524,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42784,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[163,6,90,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111036,"usec":902048},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103032,"noise_level":-21.850079,"freq_skew":4.415549,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1076,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[73,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111037,"usec":672631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706351,"noise_level":-21.533480,"freq_skew":4.466259,"avlc":{"src":{"addr":"3C49B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111037,"usec":674508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364571,"noise_level":-21.911777,"freq_skew":4.700798,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111038,"usec":451946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381949,"noise_level":-21.836334,"freq_skew":1.965864,"avlc":{"src":{"addr":"3C70CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111039,"usec":218779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601710,"noise_level":-21.530581,"freq_skew":4.691641,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111039,"usec":237743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.007710,"noise_level":-21.335943,"freq_skew":4.801187,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111044,"usec":569921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844975,"noise_level":-21.937943,"freq_skew":2.579202,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111045,"usec":341371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390912,"noise_level":-21.545238,"freq_skew":4.193358,"avlc":{"src":{"addr":"46B824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111046,"usec":870740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706033,"noise_level":-22.202427,"freq_skew":3.750842,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111047,"usec":610039},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.464678,"noise_level":-23.164047,"freq_skew":3.584011,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111049,"usec":904622},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140062,"noise_level":-22.775002,"freq_skew":3.747104,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111052,"usec":229424},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901924,"noise_level":-23.743782,"freq_skew":4.046098,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111052,"usec":976923},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050670,"noise_level":-23.545567,"freq_skew":3.341660,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"HECA"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.700000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111055,"usec":242174},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986697,"noise_level":-24.320028,"freq_skew":4.950406,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42803,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[75,173,21,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111055,"usec":242174},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.986697,"noise_level":-24.320028,"freq_skew":4.950406,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42803,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,130,101,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":24,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE\u0000"}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111057,"usec":529925},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092257,"noise_level":-23.489738,"freq_skew":4.883652,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111057,"usec":545656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322645,"noise_level":-23.297173,"freq_skew":10.009915,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":231,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":5,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111059,"usec":87328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945796,"noise_level":-22.960960,"freq_skew":0.826032,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111060,"usec":603287},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061546,"noise_level":-22.397453,"freq_skew":4.907805,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42803,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,222,229,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":24,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111060,"usec":615002},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.959849,"noise_level":-22.272442,"freq_skew":2.106194,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111061,"usec":381040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905670,"noise_level":-22.186346,"freq_skew":5.005006,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111061,"usec":381902},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286236,"noise_level":-22.175180,"freq_skew":3.308749,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"HECA"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.700000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111062,"usec":890382},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706457,"noise_level":-22.055180,"freq_skew":2.103643,"avlc":{"src":{"addr":"3C5B32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AFYR","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH0052","msg_num":"D04","msg_num_seq":"B","sublabel":"DF","msg_text":"041982,09353,27279,01171,00103,00016,00000,00802,16066\r\nC6,042692,09353,06505,01171,00103,00016,00000,00802,16066\r\nC7,01,00,00,00,01,00,00,00\r\nC8,01,00,00,00,01,00,00,00\r\nN1,1.483,1.482,1.483,1.596,085.14,0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111062,"usec":891713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876186,"noise_level":-22.055180,"freq_skew":3.781300,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111072,"usec":94780},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099156,"noise_level":-21.164635,"freq_skew":3.935861,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42848,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[130,59,168,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111072,"usec":856908},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852228,"noise_level":-20.929470,"freq_skew":1.913710,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111073,"usec":617957},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843598,"noise_level":-22.201757,"freq_skew":4.026753,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":42848,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[115,149,200,197]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111075,"usec":112882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.858369,"noise_level":-21.904709,"freq_skew":2.309401,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111075,"usec":119359},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665112,"noise_level":-22.276958,"freq_skew":5.014702,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":933,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111076,"usec":636571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977057,"noise_level":-21.947004,"freq_skew":5.041700,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111076,"usec":642686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267409,"noise_level":-21.882036,"freq_skew":3.651086,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111078,"usec":153129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659326,"noise_level":-21.389267,"freq_skew":5.166192,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111088,"usec":105637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.893869,"noise_level":-20.270834,"freq_skew":10.899475,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111088,"usec":893130},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.042024,"noise_level":-20.642702,"freq_skew":3.167779,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111089,"usec":623875},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010599,"noise_level":-20.633354,"freq_skew":2.413830,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111089,"usec":657235},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.733212,"noise_level":-20.402863,"freq_skew":0.792140,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111094,"usec":248449},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691340,"noise_level":-20.484264,"freq_skew":4.836985,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":247,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111095,"usec":764394},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615951,"noise_level":-19.984606,"freq_skew":4.597981,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH09CX","msg_num":"M70","msg_num_seq":"A","msg_text":"00458209251G+VK4BDKX3X8K3DG,LEVKB9XBP+KCM)XUEEV37KHXIST55*VK+BV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111098,"usec":30374},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643604,"noise_level":-20.057751,"freq_skew":4.760655,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":26,"dst_ref":243,"disc_reason_code":0,"disc_reason":"Reason not specified","variable_part_params":[{"name":"checksum","value":[153,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111098,"usec":827622},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758821,"noise_level":-19.918961,"freq_skew":3.632835,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXJNE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"ZD22NE","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111104,"usec":148252},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349153,"noise_level":-22.864019,"freq_skew":4.049267,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111104,"usec":945876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931507,"noise_level":-22.578861,"freq_skew":3.844804,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111112,"usec":592308},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053449,"noise_level":-23.187817,"freq_skew":2.440278,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[252,206,252,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111113,"usec":348832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.304970,"noise_level":-23.050985,"freq_skew":4.726056,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111116,"usec":381446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573328,"noise_level":-22.915539,"freq_skew":5.501824,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111117,"usec":140639},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.299173,"noise_level":-22.605232,"freq_skew":4.628253,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1077,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46054,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[243,121]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111117,"usec":902206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069300,"noise_level":-22.617102,"freq_skew":5.255251,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111117,"usec":903488},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.391532,"noise_level":-22.605370,"freq_skew":3.082425,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":319,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111117,"usec":913628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361205,"noise_level":-22.488911,"freq_skew":4.893359,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111119,"usec":457157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.816516,"noise_level":-22.093178,"freq_skew":1.666309,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111125,"usec":571102},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884153,"noise_level":-20.466738,"freq_skew":2.537840,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111129,"usec":384092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.646315,"noise_level":-20.701443,"freq_skew":3.218941,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111130,"usec":114663},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919526,"noise_level":-20.579882,"freq_skew":2.248975,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111130,"usec":888328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597093,"noise_level":-21.395559,"freq_skew":2.491385,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111130,"usec":905333},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.135089,"noise_level":-21.233873,"freq_skew":5.155096,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111133,"usec":203183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.730116,"noise_level":-22.016224,"freq_skew":3.398580,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111133,"usec":984147},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910133,"noise_level":-21.536711,"freq_skew":3.458065,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"HECA"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":9.900001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111138,"usec":520913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628684,"noise_level":-22.059860,"freq_skew":2.334555,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111141,"usec":600393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569747,"noise_level":-21.062366,"freq_skew":1.814565,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42784,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[163,6,90,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111141,"usec":603968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.176808,"noise_level":-21.857006,"freq_skew":5.313366,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111141,"usec":617549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873843,"noise_level":-21.707706,"freq_skew":2.492384,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111142,"usec":370446},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.558228,"noise_level":-23.177509,"freq_skew":5.442340,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5519,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46199,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[38,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111144,"usec":644943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.845025,"noise_level":-24.751778,"freq_skew":5.316938,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111144,"usec":646951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.678875,"noise_level":-24.721806,"freq_skew":3.476142,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111146,"usec":212483},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116012,"noise_level":-24.376099,"freq_skew":3.564431,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":96,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[125,209,169,198]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":96,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,152,221,183]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":25,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111147,"usec":712038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.527095,"noise_level":-23.941509,"freq_skew":3.155604,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111147,"usec":720931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252034,"noise_level":-23.752153,"freq_skew":3.639842,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111153,"usec":66992},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.074369,"noise_level":-23.119192,"freq_skew":3.957097,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48155,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[212,144,84,83]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111153,"usec":844809},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.475878,"noise_level":-22.647141,"freq_skew":2.065944,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDMS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111156,"usec":111138},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528550,"noise_level":-22.800098,"freq_skew":1.695518,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":1,"calling_addr":"17163051","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,131,68,69,0,60,230,41,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111156,"usec":867942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660765,"noise_level":-22.991735,"freq_skew":1.890370,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111158,"usec":382842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770155,"noise_level":-23.394424,"freq_skew":2.386951,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111158,"usec":388663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.658493,"noise_level":-23.317728,"freq_skew":2.807298,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111158,"usec":396266},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.455160,"noise_level":-23.229099,"freq_skew":4.422421,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111165,"usec":258157},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.220969,"noise_level":-20.842867,"freq_skew":5.306782,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":170,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111168,"usec":343443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202822,"noise_level":-21.394676,"freq_skew":5.185091,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111169,"usec":118302},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933300,"noise_level":-21.123581,"freq_skew":3.940686,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42862,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[211,153,163,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111170,"usec":624606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424075,"noise_level":-21.059448,"freq_skew":3.601267,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111172,"usec":145183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184360,"noise_level":-20.619394,"freq_skew":2.505626,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111172,"usec":149008},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.970895,"noise_level":-20.582163,"freq_skew":5.182930,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3533,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111172,"usec":895666},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856072,"noise_level":-20.489773,"freq_skew":3.796052,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60070,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[101,121,106,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111173,"usec":696564},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796996,"noise_level":-20.937786,"freq_skew":1.739677,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":7,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":2,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,131,68,69,0,60,230,41]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,131,68,69,0,60,230,41]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111174,"usec":477982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971956,"noise_level":-20.618601,"freq_skew":5.217091,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111176,"usec":753644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.170831,"noise_level":-20.226763,"freq_skew":3.845560,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".00337S","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"MC0000","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111177,"usec":514212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751381,"noise_level":-19.980642,"freq_skew":5.291800,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111177,"usec":516636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542369,"noise_level":-20.209482,"freq_skew":1.853751,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111179,"usec":18041},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056348,"noise_level":-20.791910,"freq_skew":5.820178,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[190,21,109,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111179,"usec":827788},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684520,"noise_level":-21.412611,"freq_skew":5.032440,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"QS","blk_id":"2","ack":"!","flight":"FR02CP","msg_num":"M69","msg_num_seq":"A","msg_text":"LGTSEDSB0938 85 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111179,"usec":833814},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.526505,"noise_level":-21.371826,"freq_skew":5.535872,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48089,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[146,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":26,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111181,"usec":360553},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560778,"noise_level":-21.101114,"freq_skew":5.254107,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"QP","blk_id":"3","ack":"!","flight":"FR06JR","msg_num":"M78","msg_num_seq":"A","msg_text":"EDSBEGSS1015 154 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111182,"usec":859227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.754330,"noise_level":-20.997267,"freq_skew":7.231554,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111183,"usec":618148},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937346,"noise_level":-20.681562,"freq_skew":5.322975,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"QQ","blk_id":"4","ack":"!","flight":"FR06JR","msg_num":"M79","msg_num_seq":"A","msg_text":"EDSBEGSS10231015"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111185,"usec":892129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639050,"noise_level":-20.089573,"freq_skew":5.152542,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111187,"usec":452311},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588635,"noise_level":-20.358612,"freq_skew":0.626071,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XQ04RP","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111188,"usec":991720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031023,"noise_level":-20.211338,"freq_skew":0.721939,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111190,"usec":490099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949498,"noise_level":-21.030409,"freq_skew":5.095527,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111193,"usec":585810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879555,"noise_level":-20.007492,"freq_skew":3.792731,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111193,"usec":591035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851392,"noise_level":-19.972786,"freq_skew":3.841558,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111194,"usec":343284},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062383,"noise_level":-20.317902,"freq_skew":3.723517,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":5.800000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111194,"usec":347531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194986,"noise_level":-20.281937,"freq_skew":4.398214,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111195,"usec":109352},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.545458,"noise_level":-19.956139,"freq_skew":4.819163,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"KGYY"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":13.500000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111195,"usec":861633},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.052334,"noise_level":-19.776520,"freq_skew":2.946030,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111196,"usec":605257},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423037,"noise_level":-19.709059,"freq_skew":3.268779,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6555,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111197,"usec":371140},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513377,"noise_level":-19.507900,"freq_skew":4.759749,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111198,"usec":880817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805604,"noise_level":-19.273083,"freq_skew":4.889719,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111200,"usec":475300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.515112,"noise_level":-19.153053,"freq_skew":4.490927,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111202,"usec":733793},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758421,"noise_level":-19.585947,"freq_skew":3.510661,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEEA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH035A","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111202,"usec":740114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582236,"noise_level":-19.860008,"freq_skew":3.368983,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111203,"usec":491169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939971,"noise_level":-20.889778,"freq_skew":2.637824,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111206,"usec":574339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567513,"noise_level":-20.824062,"freq_skew":4.162256,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111208,"usec":856375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.326429,"noise_level":-20.109356,"freq_skew":4.538583,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111217,"usec":229965},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.081767,"noise_level":-19.538450,"freq_skew":2.306538,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111217,"usec":229965},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.081767,"noise_level":-19.538450,"freq_skew":2.306538,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[252,206,252,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111220,"usec":307558},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132911,"noise_level":-18.992626,"freq_skew":4.550808,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JOK","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"CS0633","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111224,"usec":114042},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.097238,"noise_level":-19.524065,"freq_skew":2.633598,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111224,"usec":130148},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657786,"noise_level":-19.434080,"freq_skew":3.627042,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42866,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[92,98,163,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111224,"usec":139322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.193501,"noise_level":-19.369219,"freq_skew":3.653396,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111224,"usec":867558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853818,"noise_level":-19.369219,"freq_skew":1.821959,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":375,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111225,"usec":653411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665611,"noise_level":-19.592211,"freq_skew":3.705020,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111226,"usec":381653},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782849,"noise_level":-19.468777,"freq_skew":1.521833,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48235,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[167,191,234,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":27,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111229,"usec":474753},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813867,"noise_level":-18.869127,"freq_skew":2.654129,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":5,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111230,"usec":240937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466241,"noise_level":-18.964804,"freq_skew":2.683325,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111232,"usec":513729},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.559516,"noise_level":-19.102633,"freq_skew":3.531050,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":5.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111233,"usec":281144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031001,"noise_level":-19.876362,"freq_skew":3.585114,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111236,"usec":355512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727726,"noise_level":-19.525377,"freq_skew":1.227210,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42784,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[163,6,90,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111237,"usec":116085},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.595973,"noise_level":-20.286036,"freq_skew":3.339212,"avlc":{"src":{"addr":"3CDF15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111237,"usec":862909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.860795,"noise_level":-20.909212,"freq_skew":2.761515,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111241,"usec":712598},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178630,"noise_level":-21.120432,"freq_skew":6.050811,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111242,"usec":465020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041068,"noise_level":-21.315411,"freq_skew":7.526450,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111243,"usec":220141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143888,"noise_level":-21.581612,"freq_skew":5.906514,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111244,"usec":756928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.715698,"noise_level":-21.194895,"freq_skew":4.453113,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111246,"usec":266032},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666144,"noise_level":-20.757576,"freq_skew":11.186765,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111247,"usec":833776},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787595,"noise_level":-21.884304,"freq_skew":11.140967,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[188,95,76,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111247,"usec":833776},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.787595,"noise_level":-21.884304,"freq_skew":11.140967,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52541,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[112,56,230,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":27,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111248,"usec":594749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.218724,"noise_level":-21.535324,"freq_skew":10.953153,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111250,"usec":881687},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718663,"noise_level":-20.771755,"freq_skew":3.514775,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOG","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"XQ08GT","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111256,"usec":218245},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513136,"noise_level":-21.191212,"freq_skew":3.460075,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOG","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"XQ08GT","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111257,"usec":757313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.127107,"noise_level":-21.375946,"freq_skew":3.173813,"avlc":{"src":{"addr":"3CDF15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111260,"usec":808575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725991,"noise_level":-22.207767,"freq_skew":4.311657,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH09CX","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111263,"usec":89478},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.558585,"noise_level":-22.841034,"freq_skew":3.304278,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":96,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[125,209,169,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111263,"usec":845146},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185232,"noise_level":-23.643646,"freq_skew":3.042013,"avlc":{"src":{"addr":"A89234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111263,"usec":854632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606565,"noise_level":-23.525536,"freq_skew":4.406161,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111266,"usec":123501},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923663,"noise_level":-23.281698,"freq_skew":1.912552,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":253,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111269,"usec":983902},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440362,"noise_level":-21.709366,"freq_skew":4.079613,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111273,"usec":5303},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.745567,"noise_level":-21.535242,"freq_skew":3.915962,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".00337S","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"MC0000","msg_num":"M22","msg_num_seq":"A","msg_text":"0E21027482S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":27,"sec":48}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111273,"usec":12086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457096,"noise_level":-21.473272,"freq_skew":4.313630,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH09CX","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111275,"usec":341710},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.788239,"noise_level":-22.047131,"freq_skew":2.883530,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111276,"usec":105572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.899274,"noise_level":-21.712816,"freq_skew":3.917280,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111276,"usec":845005},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686592,"noise_level":-21.586782,"freq_skew":4.360230,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH09CX","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111277,"usec":598219},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.677233,"noise_level":-22.357100,"freq_skew":2.772443,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111278,"usec":380374},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955940,"noise_level":-21.923725,"freq_skew":5.924992,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42758,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[190,21,109,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111278,"usec":381738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534023,"noise_level":-22.525425,"freq_skew":4.369780,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111279,"usec":895346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632790,"noise_level":-23.111116,"freq_skew":4.159248,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111284,"usec":473278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789279,"noise_level":-21.587629,"freq_skew":2.440346,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111286,"usec":7736},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499301,"noise_level":-21.593971,"freq_skew":3.673070,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":60076,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[163,198,120,31]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":28,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NOT AUTHORIZED NEXT DATA AUTHORITY","choice":"dM107NULL","data":{}}}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111287,"usec":558584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092946,"noise_level":-22.205656,"freq_skew":3.779909,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111287,"usec":577091},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766876,"noise_level":-22.628431,"freq_skew":3.723959,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42866,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[7,251,8,80]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42866,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,216,242,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":28,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111287,"usec":583204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980721,"noise_level":-22.569849,"freq_skew":6.007418,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LST","mode":"2","label":"_d","blk_id":"0","ack":"V","flight":"EC37CZ","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111289,"usec":85269},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.850388,"noise_level":-22.114914,"freq_skew":4.938311,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52505,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[123,77,100,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111291,"usec":351602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003601,"noise_level":-22.946098,"freq_skew":3.015436,"avlc":{"src":{"addr":"A89234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111295,"usec":950632},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749186,"noise_level":-22.548447,"freq_skew":2.380321,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46116,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[164,234,43,117]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":28,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111295,"usec":959586},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532806,"noise_level":-22.455761,"freq_skew":5.367673,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46199,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[34,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111296,"usec":723832},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490871,"noise_level":-22.127831,"freq_skew":2.504339,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111296,"usec":723832},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.490871,"noise_level":-22.127831,"freq_skew":2.504339,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111297,"usec":469824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.085284,"noise_level":-21.813129,"freq_skew":5.253951,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111298,"usec":242022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655767,"noise_level":-21.560001,"freq_skew":6.195346,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111300,"usec":569519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.903380,"noise_level":-20.775335,"freq_skew":5.081510,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111302,"usec":841567},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117580,"noise_level":-20.749161,"freq_skew":2.360982,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111302,"usec":841567},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.117580,"noise_level":-20.749161,"freq_skew":2.360982,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":54,"dst_ref":46116,"variable_part_params":[{"name":"atn_checksum","value":[2,141,4,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111302,"usec":841567},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.117580,"noise_level":-20.749161,"freq_skew":2.360982,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[227,211,227,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111305,"usec":884229},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997618,"noise_level":-21.303764,"freq_skew":2.525819,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":54,"dst_ref":46116,"variable_part_params":[{"name":"atn_checksum","value":[2,141,4,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111305,"usec":884229},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.997618,"noise_level":-21.303764,"freq_skew":2.525819,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[227,211,227,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111306,"usec":626510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.932404,"noise_level":-21.203026,"freq_skew":3.895567,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":197924},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.687871,"noise_level":-20.651943,"freq_skew":4.153098,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60073,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[11,204,163,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":206500},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680899,"noise_level":-20.586647,"freq_skew":2.419639,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":944631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.089936,"noise_level":-21.293079,"freq_skew":3.955846,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"UA","pf":true,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":944791},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.608173,"noise_level":-21.293079,"freq_skew":4.005341,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":6.800000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":950984},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118024,"noise_level":-21.232805,"freq_skew":2.864088,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[142,109,72,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":950984},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.118024,"noise_level":-21.232805,"freq_skew":2.864088,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42807,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,50,211,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":28,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111308,"usec":960149},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880800,"noise_level":-21.143173,"freq_skew":4.111531,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"LH09CX","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111311,"usec":239534},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750622,"noise_level":-21.459816,"freq_skew":2.340474,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111312,"usec":749092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240064,"noise_level":-21.068031,"freq_skew":11.063935,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111315,"usec":79894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.505862,"noise_level":-21.439594,"freq_skew":3.612586,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111318,"usec":102275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481585,"noise_level":-21.311306,"freq_skew":10.993278,"avlc":{"src":{"addr":"4784C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111321,"usec":150481},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.246582,"noise_level":-22.783901,"freq_skew":2.580065,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LVB","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LO2164","msg_num":"M25","msg_num_seq":"A","msg_text":"0E21028402","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":28,"sec":40}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111321,"usec":952613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987836,"noise_level":-22.443588,"freq_skew":7.443226,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111321,"usec":953204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638062,"noise_level":-22.432089,"freq_skew":3.576624,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111323,"usec":460263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756648,"noise_level":-21.962326,"freq_skew":4.237597,"avlc":{"src":{"addr":"4D2368","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111325,"usec":736897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.802209,"noise_level":-21.251827,"freq_skew":2.732161,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111328,"usec":49297},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.647687,"noise_level":-21.843250,"freq_skew":1.919747,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[128,160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111328,"usec":66969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423719,"noise_level":-21.662569,"freq_skew":0.574146,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111328,"usec":810354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282509,"noise_level":-22.725866,"freq_skew":4.535606,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111333,"usec":381392},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679308,"noise_level":-23.084122,"freq_skew":0.806299,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42784,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[243,142,246,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111335,"usec":699593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200177,"noise_level":-25.202124,"freq_skew":4.062074,"avlc":{"src":{"addr":"494143","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111336,"usec":471500},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.221730,"noise_level":-25.389595,"freq_skew":0.247850,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"50332747","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,85,65,76,0,161,181,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111337,"usec":217460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785452,"noise_level":-25.182079,"freq_skew":4.793524,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111341,"usec":59496},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571076,"noise_level":-23.608059,"freq_skew":4.156134,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":9.200000},"alt":35000}},{"name":"alternate_ground_stations","value":["1098FA","10911A","109C5A","109CEA","109CBA","10980A","109F2A","10900A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111341,"usec":66970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340829,"noise_level":-24.425638,"freq_skew":2.833552,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111342,"usec":561966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058353,"noise_level":-23.974888,"freq_skew":5.314048,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111343,"usec":329169},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359583,"noise_level":-23.533323,"freq_skew":2.865792,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,79,84,0,72,175,1,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111344,"usec":841887},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101209,"noise_level":-23.869778,"freq_skew":5.433007,"avlc":{"src":{"addr":"440A8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111345,"usec":599846},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240192,"noise_level":-23.537188,"freq_skew":0.241063,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N20904","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"UA0952","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111347,"usec":877645},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.257892,"noise_level":-22.516279,"freq_skew":0.492012,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111349,"usec":459601},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630323,"noise_level":-21.814325,"freq_skew":0.470974,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111350,"usec":972432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.913088,"noise_level":-22.270916,"freq_skew":2.646135,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111354,"usec":751569},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539210,"noise_level":-21.032354,"freq_skew":0.592040,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":149,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111357,"usec":843696},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.407556,"noise_level":-22.230932,"freq_skew":0.224023,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,85,65,76,0,161,181,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111359,"usec":349438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.651908,"noise_level":-21.750370,"freq_skew":0.327377,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111359,"usec":365077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699703,"noise_level":-21.592434,"freq_skew":2.864475,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111361,"usec":699677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.090333,"noise_level":-22.323046,"freq_skew":0.170869,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111363,"usec":189415},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187972,"noise_level":-22.508842,"freq_skew":0.429066,"avlc":{"src":{"addr":"A1B5E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111364,"usec":716398},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424645,"noise_level":-21.861107,"freq_skew":3.756216,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111366,"usec":986312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309340,"noise_level":-21.670931,"freq_skew":3.895480,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111367,"usec":2776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799157,"noise_level":-21.585274,"freq_skew":0.853199,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111367,"usec":6236},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787514,"noise_level":-21.554054,"freq_skew":3.428164,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111369,"usec":315761},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.332900,"noise_level":-21.758942,"freq_skew":3.637057,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111369,"usec":318923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330926,"noise_level":-21.695362,"freq_skew":2.589117,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111370,"usec":71196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673707,"noise_level":-21.600853,"freq_skew":2.043090,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111378,"usec":467522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803749,"noise_level":-21.706379,"freq_skew":5.044867,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111379,"usec":987354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861391,"noise_level":-21.213211,"freq_skew":3.838009,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111379,"usec":996866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632133,"noise_level":-21.113901,"freq_skew":5.405204,"avlc":{"src":{"addr":"440A8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111380,"usec":754271},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004725,"noise_level":-20.918621,"freq_skew":5.249096,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48089,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[195,197]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111381,"usec":506021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331843,"noise_level":-20.810036,"freq_skew":2.565206,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111381,"usec":521569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406126,"noise_level":-20.686954,"freq_skew":3.642598,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111383,"usec":69075},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766114,"noise_level":-20.382137,"freq_skew":3.577596,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48150,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[230,98,208,173]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48150,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[152,204,222,113]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111388,"usec":399313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.866114,"noise_level":-20.636103,"freq_skew":5.781777,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111390,"usec":709397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.714600,"noise_level":-20.253300,"freq_skew":2.883634,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111392,"usec":225496},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532148,"noise_level":-19.800283,"freq_skew":1.886387,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60064,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[224,234,165,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111393,"usec":4074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193396,"noise_level":-19.675083,"freq_skew":3.546774,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111395,"usec":306147},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.889129,"noise_level":-19.218573,"freq_skew":2.824998,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":415,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":2,"ack":1,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":3,"err_fsm_state":4,"err_fsm_bispdu_name":"Error","err_fsm_state_descr":"CLOSE-WAIT"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111396,"usec":64295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.255434,"noise_level":-19.405399,"freq_skew":5.432462,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111396,"usec":825413},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487863,"noise_level":-19.197023,"freq_skew":2.796222,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111399,"usec":855000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864748,"noise_level":-18.879978,"freq_skew":3.416137,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111402,"usec":937346},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.636194,"noise_level":-18.527861,"freq_skew":0.083577,"avlc":{"src":{"addr":"407E7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111404,"usec":456862},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.627683,"noise_level":-18.253624,"freq_skew":2.715926,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111405,"usec":982586},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221286,"noise_level":-17.946541,"freq_skew":4.758433,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"dst_airport","value":"LIPH"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":12.900001},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111405,"usec":987889},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.161769,"noise_level":-17.912323,"freq_skew":3.129939,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,87,76,0,77,32,135,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":114,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[217,178]},{"name":"atn_checksum","value":[186,86,247,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111407,"usec":485109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925753,"noise_level":-18.322031,"freq_skew":6.097992,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111408,"usec":241227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.901382,"noise_level":-18.530720,"freq_skew":2.783865,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111409,"usec":20276},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854131,"noise_level":-18.192675,"freq_skew":2.368340,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":161,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[172,17,200,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111409,"usec":813922},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161796,"noise_level":-18.094471,"freq_skew":4.823294,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111410,"usec":561143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161913,"noise_level":-18.011171,"freq_skew":4.741369,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111412,"usec":849386},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.601378,"noise_level":-18.307072,"freq_skew":3.047096,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111413,"usec":612733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.698367,"noise_level":-18.186399,"freq_skew":3.121645,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111413,"usec":631166},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666514,"noise_level":-18.095240,"freq_skew":2.770492,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111414,"usec":368081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.675554,"noise_level":-18.532223,"freq_skew":4.921346,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111418,"usec":201632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457209,"noise_level":-19.989992,"freq_skew":3.233657,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111418,"usec":983021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.624733,"noise_level":-19.616398,"freq_skew":2.120508,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111421,"usec":253927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533938,"noise_level":-21.014460,"freq_skew":2.317378,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111421,"usec":994146},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932530,"noise_level":-21.178598,"freq_skew":1.637636,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[44,143,120,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111422,"usec":3242},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.832496,"noise_level":-21.099373,"freq_skew":3.069100,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111422,"usec":818226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.857162,"noise_level":-20.780001,"freq_skew":3.016550,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111423,"usec":575624},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.109312,"noise_level":-20.536394,"freq_skew":2.932135,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111425,"usec":105057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.222787,"noise_level":-21.255688,"freq_skew":2.681598,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111429,"usec":690442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044888,"noise_level":-23.088676,"freq_skew":3.212670,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111431,"usec":199105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813020,"noise_level":-22.583080,"freq_skew":3.860123,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111431,"usec":213162},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300441,"noise_level":-23.036234,"freq_skew":4.860246,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6810,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46047,"credit":5,"rseq":17,"variable_part_params":[{"name":"checksum","value":[26,79]},{"name":"flow_control","value":{"acked_tpdu_nr":17,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111432,"usec":720928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163348,"noise_level":-22.603645,"freq_skew":3.675259,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111434,"usec":231118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772233,"noise_level":-22.047459,"freq_skew":2.340043,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111434,"usec":232530},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963046,"noise_level":-22.036472,"freq_skew":2.284614,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":7,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42889,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[95,167,47,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111435,"usec":5751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242482,"noise_level":-22.581308,"freq_skew":2.568505,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111436,"usec":562003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.820036,"noise_level":-22.092567,"freq_skew":1.757614,"avlc":{"src":{"addr":"3CEFF1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111438,"usec":67458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038002,"noise_level":-21.640350,"freq_skew":2.422216,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111438,"usec":76936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155090,"noise_level":-22.253485,"freq_skew":4.770454,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111438,"usec":80952},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616601,"noise_level":-22.300146,"freq_skew":2.676252,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111438,"usec":835877},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860706,"noise_level":-23.328905,"freq_skew":4.042307,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFJ"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":13.000000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111440,"usec":360986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816535,"noise_level":-22.749737,"freq_skew":4.194969,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111441,"usec":111441},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959233,"noise_level":-22.537767,"freq_skew":3.953574,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDH","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"PC064N","msg_num":"S75","msg_num_seq":"A","msg_text":"0EV103037V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":30,"sec":37}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111441,"usec":876997},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256590,"noise_level":-22.162106,"freq_skew":4.993476,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141266","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,182,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111441,"usec":883877},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976985,"noise_level":-22.106579,"freq_skew":7.305641,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111442,"usec":685507},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697289,"noise_level":-21.887951,"freq_skew":5.472593,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":207,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111444,"usec":194862},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236149,"noise_level":-21.466543,"freq_skew":3.998187,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111444,"usec":955103},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.803948,"noise_level":-21.291664,"freq_skew":3.957804,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDH","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"PC064N","msg_num":"M99","msg_num_seq":"A","msg_text":"LOWW LHBP LYBE LBSF-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111445,"usec":713778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496208,"noise_level":-22.296822,"freq_skew":1.580080,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111446,"usec":461623},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.818118,"noise_level":-22.051390,"freq_skew":3.966337,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDH","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"PC064N","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111447,"usec":244975},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.894901,"noise_level":-22.039022,"freq_skew":4.929325,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZX","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR02MJ","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111447,"usec":986629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619895,"noise_level":-22.179098,"freq_skew":5.316521,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111448,"usec":742271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.444407,"noise_level":-21.936922,"freq_skew":4.801793,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111448,"usec":749673},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.380039,"noise_level":-21.861263,"freq_skew":1.630886,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111449,"usec":522723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041435,"noise_level":-21.523535,"freq_skew":1.509581,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111450,"usec":301370},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249533,"noise_level":-21.461649,"freq_skew":1.491338,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[244,251,165,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111450,"usec":304032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105723,"noise_level":-21.441116,"freq_skew":2.202263,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111451,"usec":71061},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693776,"noise_level":-21.605265,"freq_skew":2.020788,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42654,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[92,200,74,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111452,"usec":602537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671440,"noise_level":-22.430832,"freq_skew":2.374815,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111454,"usec":97521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724445,"noise_level":-21.885263,"freq_skew":5.045554,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111457,"usec":184168},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.404726,"noise_level":-20.945196,"freq_skew":3.271266,"avlc":{"src":{"addr":"010208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":96,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[210,158,219,113]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":96,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[194,165,88,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":30,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111459,"usec":453334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432582,"noise_level":-20.655807,"freq_skew":4.704538,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111459,"usec":458583},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046203,"noise_level":-20.544125,"freq_skew":5.079728,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111462,"usec":512746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879717,"noise_level":-21.243656,"freq_skew":5.003130,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111464,"usec":822562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337385,"noise_level":-21.317070,"freq_skew":3.781577,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111465,"usec":583810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286366,"noise_level":-21.674597,"freq_skew":5.077076,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111475,"usec":491743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.077697,"noise_level":-21.308317,"freq_skew":1.508200,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111475,"usec":494175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.787806,"noise_level":-21.278076,"freq_skew":2.103515,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111477,"usec":64779},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519851,"noise_level":-21.106262,"freq_skew":4.762519,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[63,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111477,"usec":815329},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703428,"noise_level":-20.969227,"freq_skew":4.775269,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":75,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[82,74]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":31,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111478,"usec":566800},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304718,"noise_level":-21.374065,"freq_skew":2.871335,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60087,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[229,56,86,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111478,"usec":586620},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825811,"noise_level":-22.076454,"freq_skew":1.941424,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111480,"usec":96082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837682,"noise_level":-22.488853,"freq_skew":4.688779,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111483,"usec":176825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.712310,"noise_level":-21.761148,"freq_skew":3.594163,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111493,"usec":839324},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924533,"noise_level":-20.939405,"freq_skew":1.927362,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[74,200,215,50]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48235,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,172,162,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":31,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111496,"usec":182900},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174739,"noise_level":-19.995726,"freq_skew":1.686657,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[74,200,215,50]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48235,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,172,162,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":31,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111497,"usec":697922},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379356,"noise_level":-20.295736,"freq_skew":1.779532,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48235,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[209,112,127,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":31,"sec":35}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111499,"usec":975269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228800,"noise_level":-19.979593,"freq_skew":3.704091,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111501,"usec":477741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725320,"noise_level":-19.606436,"freq_skew":2.286296,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111503,"usec":11385},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025994,"noise_level":-21.431313,"freq_skew":3.589074,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111503,"usec":15877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518719,"noise_level":-21.400640,"freq_skew":3.751611,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRD","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"DE0097","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111506,"usec":854238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.107138,"noise_level":-20.664387,"freq_skew":5.010656,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111509,"usec":884563},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.606199,"noise_level":-19.723347,"freq_skew":4.078785,"avlc":{"src":{"addr":"4401D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":6,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":5,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111524,"usec":420787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513462,"noise_level":-20.315220,"freq_skew":4.010807,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111526,"usec":706917},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918171,"noise_level":-20.234785,"freq_skew":1.956187,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[244,98,60,135]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48235,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,50,64,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":32,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111528,"usec":217901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895478,"noise_level":-20.279785,"freq_skew":2.050872,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111529,"usec":726032},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.171105,"noise_level":-20.050663,"freq_skew":3.838839,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32742,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[66,235,80,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111529,"usec":727702},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778610,"noise_level":-20.495146,"freq_skew":2.129207,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111530,"usec":541785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.373919,"noise_level":-20.259289,"freq_skew":4.968121,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111531,"usec":322564},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.494203,"noise_level":-20.386318,"freq_skew":4.629811,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":3,"rseq":2,"variable_part_params":[{"name":"checksum","value":[56,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111532,"usec":62119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579878,"noise_level":-20.322981,"freq_skew":3.823993,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111535,"usec":101504},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595813,"noise_level":-19.847334,"freq_skew":2.821978,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60087,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[229,56,86,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111535,"usec":869805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661920,"noise_level":-19.628220,"freq_skew":2.123332,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111548,"usec":866507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.021940,"noise_level":-19.780779,"freq_skew":5.347855,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111549,"usec":621909},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.372491,"noise_level":-19.830399,"freq_skew":3.660725,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20795,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[182,141]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111551,"usec":167708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856573,"noise_level":-19.529037,"freq_skew":0.668107,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111553,"usec":453323},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927240,"noise_level":-20.161491,"freq_skew":3.792294,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48155,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[202,197,27,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111555,"usec":727186},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.590599,"noise_level":-21.208633,"freq_skew":1.627171,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111558,"usec":56681},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.093587,"noise_level":-21.377008,"freq_skew":4.094393,"avlc":{"src":{"addr":"4401D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111558,"usec":815535},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.170277,"noise_level":-21.146008,"freq_skew":1.703592,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111559,"usec":566400},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.904199,"noise_level":-20.988861,"freq_skew":3.544126,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":320,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111559,"usec":581602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738211,"noise_level":-21.110092,"freq_skew":3.685311,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60092,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[116,99,139,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111563,"usec":362705},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.706073,"noise_level":-20.008448,"freq_skew":3.893684,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60092,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[116,99,139,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111563,"usec":377451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193087,"noise_level":-21.005335,"freq_skew":3.753978,"avlc":{"src":{"addr":"4080C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111564,"usec":177249},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418897,"noise_level":-20.802921,"freq_skew":4.119190,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60092,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[231,3,134,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111565,"usec":672523},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.966413,"noise_level":-21.312599,"freq_skew":1.650900,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111565,"usec":679405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567305,"noise_level":-21.182243,"freq_skew":4.092948,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111567,"usec":968817},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.277536,"noise_level":-21.178917,"freq_skew":1.792675,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54575,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[231,229,80,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111569,"usec":472335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.516305,"noise_level":-20.770813,"freq_skew":3.048573,"avlc":{"src":{"addr":"4D2087","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111571,"usec":34396},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466114,"noise_level":-21.266916,"freq_skew":6.182434,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614775","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,79,65,87,0,75,25,253,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111575,"usec":597842},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296121,"noise_level":-21.549547,"freq_skew":2.018435,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111575,"usec":598121},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731369,"noise_level":-21.828194,"freq_skew":6.142152,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,79,65,87,0,75,25,253,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111575,"usec":601226},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978650,"noise_level":-22.118053,"freq_skew":2.118258,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":54576,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[15,208,66,25]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111575,"usec":606795},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836329,"noise_level":-22.062805,"freq_skew":3.952108,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111575,"usec":606795},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.836329,"noise_level":-22.062805,"freq_skew":3.952108,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60093,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[10,53,134,106]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111576,"usec":353773},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827365,"noise_level":-21.909958,"freq_skew":6.383013,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":186,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":16,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,79,65,87,0,75,25,253]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,79,65,87,0,75,25,253]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111576,"usec":373007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698463,"noise_level":-22.749352,"freq_skew":1.982504,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111577,"usec":126444},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351010,"noise_level":-22.908583,"freq_skew":3.818377,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111578,"usec":688231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690439,"noise_level":-22.310471,"freq_skew":6.324832,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111579,"usec":432363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732115,"noise_level":-23.218742,"freq_skew":4.009868,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111582,"usec":476225},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.221440,"noise_level":-21.978012,"freq_skew":3.508939,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPH"},{"name":"ac_location","value":{"loc":{"lat":52.700001,"lon":8.400001},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111583,"usec":983260},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444264,"noise_level":-21.975424,"freq_skew":3.712099,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111584,"usec":806982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517136,"noise_level":-21.872816,"freq_skew":3.722773,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111588,"usec":605834},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628139,"noise_level":-20.592625,"freq_skew":2.822875,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111590,"usec":106343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.760880,"noise_level":-20.237316,"freq_skew":4.857269,"avlc":{"src":{"addr":"4D2146","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111590,"usec":880365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.214842,"noise_level":-19.895975,"freq_skew":-0.032619,"avlc":{"src":{"addr":"407E7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111591,"usec":675178},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.090650,"noise_level":-19.759727,"freq_skew":1.826432,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111593,"usec":959529},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.457215,"noise_level":-19.093149,"freq_skew":3.903268,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111597,"usec":790386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943256,"noise_level":-19.884586,"freq_skew":2.234204,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111601,"usec":582705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.951601,"noise_level":-20.039988,"freq_skew":3.166978,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111609,"usec":973200},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788931,"noise_level":-20.434578,"freq_skew":3.023194,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111610,"usec":731862},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892618,"noise_level":-21.280178,"freq_skew":2.873419,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111610,"usec":742436},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826926,"noise_level":-21.130495,"freq_skew":4.096923,"avlc":{"src":{"addr":"4BC888","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":305,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111612,"usec":301384},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645755,"noise_level":-21.361391,"freq_skew":3.041520,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111612,"usec":301384},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.645755,"noise_level":-21.361391,"freq_skew":3.041520,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60087,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[29,110,101,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111617,"usec":604082},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370263,"noise_level":-20.471840,"freq_skew":1.692943,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111617,"usec":615494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314847,"noise_level":-20.380611,"freq_skew":4.954216,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DGJ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"A30521","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111617,"usec":622318},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232140,"noise_level":-20.326330,"freq_skew":4.669362,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510352","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,144,234,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111618,"usec":404290},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.171881,"noise_level":-20.299316,"freq_skew":1.554736,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111618,"usec":404290},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.171881,"noise_level":-20.299316,"freq_skew":1.554736,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54575,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[61,178,130,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111618,"usec":404290},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":2,"sig_level":-5.171881,"noise_level":-20.299316,"freq_skew":1.554736,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54575,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,160,170,200]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":33,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111619,"usec":923639},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176966,"noise_level":-19.886717,"freq_skew":4.994108,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DGJ","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"A30521","msg_num":"S58","msg_num_seq":"A","msg_text":"0EV103336V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":33,"sec":36}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111619,"usec":939864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250898,"noise_level":-20.698421,"freq_skew":1.603050,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111620,"usec":694414},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394235,"noise_level":-20.530615,"freq_skew":4.353808,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":7.700000},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111622,"usec":207541},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107418,"noise_level":-22.380812,"freq_skew":1.450769,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"DABC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111622,"usec":209282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639796,"noise_level":-22.369394,"freq_skew":4.338248,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111625,"usec":295362},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010169,"noise_level":-22.236095,"freq_skew":1.524863,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".7T-VKM","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"AH1175","msg_num":"M27","msg_num_seq":"A","msg_text":"0E21033432S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":33,"sec":43}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111626,"usec":45526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029490,"noise_level":-22.058147,"freq_skew":7.380779,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111626,"usec":51685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.880490,"noise_level":-22.014225,"freq_skew":2.184547,"avlc":{"src":{"addr":"781DC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111626,"usec":805415},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055530,"noise_level":-21.744629,"freq_skew":1.491551,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111627,"usec":560769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.734385,"noise_level":-21.534817,"freq_skew":1.637470,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111627,"usec":568959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.077861,"noise_level":-21.452291,"freq_skew":3.657283,"avlc":{"src":{"addr":"3C6552","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111628,"usec":330908},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714992,"noise_level":-21.209318,"freq_skew":2.627438,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111629,"usec":841025},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960909,"noise_level":-22.182541,"freq_skew":2.261181,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":166,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":30,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111631,"usec":410564},"freq":136975000,"burst_len_octets":121,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002539,"noise_level":-21.843372,"freq_skew":2.948544,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9V-SNC","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"SQ0025","msg_num":"O02","msg_num_seq":"A","sublabel":"10","msg_text":"SB0121BA_9V-SNC EDDFWSSS1\r\n 50060 0086691033 03051 1700040020W8;ET132191"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111632,"usec":922324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256363,"noise_level":-21.685139,"freq_skew":4.342740,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111632,"usec":930911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268388,"noise_level":-21.632568,"freq_skew":2.002940,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111634,"usec":435776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.578956,"noise_level":-21.262657,"freq_skew":1.691850,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".7T-VKM","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"AH1175","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111634,"usec":446288},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107820,"noise_level":-21.281429,"freq_skew":1.637450,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111635,"usec":981284},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704145,"noise_level":-20.763630,"freq_skew":4.525720,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRI","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"DE0081","msg_num":"F49","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS103354,150726/DTEDDF,07L,127,105654,048/FNCFG0818D30"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111636,"usec":727675},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189603,"noise_level":-20.641203,"freq_skew":3.286371,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111637,"usec":477066},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476695,"noise_level":-20.543083,"freq_skew":4.530841,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111637,"usec":493094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056178,"noise_level":-21.286987,"freq_skew":2.507379,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42807,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[87,0,188,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111639,"usec":43643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563164,"noise_level":-21.909351,"freq_skew":6.200580,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111640,"usec":574245},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499845,"noise_level":-22.538319,"freq_skew":1.581495,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111644,"usec":345537},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.097374,"noise_level":-22.700626,"freq_skew":3.496159,"avlc":{"src":{"addr":"400E4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIPX"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":9.500000},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111654,"usec":300733},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877197,"noise_level":-20.068104,"freq_skew":0.558778,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111655,"usec":60536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625051,"noise_level":-21.816214,"freq_skew":3.877872,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111657,"usec":371305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.285035,"noise_level":-20.921753,"freq_skew":3.624192,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111658,"usec":98852},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769855,"noise_level":-20.873592,"freq_skew":0.720630,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111658,"usec":904780},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.378883,"noise_level":-20.506847,"freq_skew":5.315604,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111658,"usec":908328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.972779,"noise_level":-20.433493,"freq_skew":3.428023,"avlc":{"src":{"addr":"400E4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111659,"usec":672547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.393567,"noise_level":-20.288620,"freq_skew":1.806965,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111664,"usec":210124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968057,"noise_level":-20.807159,"freq_skew":1.695699,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111665,"usec":778077},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351836,"noise_level":-21.396503,"freq_skew":3.673742,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[38]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":12.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111667,"usec":315326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800983,"noise_level":-21.090343,"freq_skew":0.796143,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111668,"usec":70876},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.425098,"noise_level":-20.943869,"freq_skew":1.972138,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54576,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[227,137,73,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111671,"usec":902881},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157724,"noise_level":-21.479248,"freq_skew":4.429217,"avlc":{"src":{"addr":"3C7A44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111672,"usec":668449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850978,"noise_level":-21.255579,"freq_skew":2.988908,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111674,"usec":195765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.045389,"noise_level":-21.550762,"freq_skew":3.644462,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111674,"usec":951818},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.442691,"noise_level":-21.427040,"freq_skew":1.790866,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48235,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[64,11,107,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111678,"usec":773205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721537,"noise_level":-20.993250,"freq_skew":4.929402,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111684,"usec":843696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.422025,"noise_level":-20.040821,"freq_skew":3.884295,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111686,"usec":423883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303230,"noise_level":-21.398449,"freq_skew":2.146352,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111717,"usec":715420},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977966,"noise_level":-17.752768,"freq_skew":5.415594,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":9.400001},"alt":9000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111717,"usec":726384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966676,"noise_level":-18.613508,"freq_skew":5.460755,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWC","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"4X073V","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111719,"usec":269967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176538,"noise_level":-19.641865,"freq_skew":5.672082,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111720,"usec":810069},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601409,"noise_level":-19.942190,"freq_skew":2.134523,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":312,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111722,"usec":312002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.042149,"noise_level":-20.749840,"freq_skew":3.771616,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111723,"usec":823453},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902054,"noise_level":-20.279858,"freq_skew":3.805567,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":39,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111723,"usec":839777},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800167,"noise_level":-20.137505,"freq_skew":6.135518,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126204","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,172,132,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111725,"usec":348412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042257,"noise_level":-19.791504,"freq_skew":5.861394,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111725,"usec":353552},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911139,"noise_level":-20.232964,"freq_skew":1.881756,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":29,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111728,"usec":424301},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618867,"noise_level":-20.022049,"freq_skew":0.684613,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":8.600000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111729,"usec":181856},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857288,"noise_level":-20.743673,"freq_skew":3.871822,"avlc":{"src":{"addr":"3C5EF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111729,"usec":203606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367838,"noise_level":-20.802782,"freq_skew":0.644705,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111730,"usec":705943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545490,"noise_level":-20.466404,"freq_skew":0.727691,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111730,"usec":714262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.425911,"noise_level":-20.375233,"freq_skew":7.370184,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111734,"usec":548357},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748003,"noise_level":-19.851000,"freq_skew":2.365339,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111734,"usec":552884},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085842,"noise_level":-19.816914,"freq_skew":1.843339,"avlc":{"src":{"addr":"3CE629","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":9,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111739,"usec":903663},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831654,"noise_level":-19.592770,"freq_skew":2.494423,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111745,"usec":202495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473389,"noise_level":-19.674742,"freq_skew":5.627828,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111747,"usec":539142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.796285,"noise_level":-19.304649,"freq_skew":4.932213,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111748,"usec":293418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984846,"noise_level":-19.530369,"freq_skew":3.882373,"avlc":{"src":{"addr":"4D246F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111753,"usec":658124},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.289171,"noise_level":-20.175560,"freq_skew":3.784173,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48155,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[202,197,27,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111756,"usec":685969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664783,"noise_level":-20.329065,"freq_skew":2.392627,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111760,"usec":541987},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.908811,"noise_level":-19.040287,"freq_skew":3.820759,"avlc":{"src":{"addr":"4401D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111763,"usec":570906},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866780,"noise_level":-19.498285,"freq_skew":5.437396,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWC","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"4X073V","msg_num":"M32","msg_num_seq":"A","msg_text":"103601,9001,1041, 3,N 48.627 E 9.367"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111764,"usec":326597},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992865,"noise_level":-19.335844,"freq_skew":2.357149,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42807,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[172,119,195,214]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":36,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111765,"usec":82835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502429,"noise_level":-19.239571,"freq_skew":4.406206,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111765,"usec":845644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056395,"noise_level":-20.976833,"freq_skew":5.528580,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111767,"usec":411083},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702196,"noise_level":-20.934103,"freq_skew":3.195899,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111770,"usec":443504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292741,"noise_level":-20.558270,"freq_skew":4.208015,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111775,"usec":803481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035699,"noise_level":-20.701641,"freq_skew":1.929481,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111778,"usec":850572},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.210874,"noise_level":-20.017849,"freq_skew":4.798141,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":316,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111781,"usec":164432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693188,"noise_level":-20.755358,"freq_skew":2.202137,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111781,"usec":912373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719465,"noise_level":-21.469042,"freq_skew":1.840408,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111782,"usec":679918},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184264,"noise_level":-21.376644,"freq_skew":4.936554,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111786,"usec":467187},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.071490,"noise_level":-20.171650,"freq_skew":4.997055,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46215,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,28,205,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111787,"usec":274386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149431,"noise_level":-19.944307,"freq_skew":4.917120,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111790,"usec":297350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.498138,"noise_level":-19.198856,"freq_skew":7.221021,"avlc":{"src":{"addr":"49D65E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111794,"usec":172991},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122225,"noise_level":-18.975008,"freq_skew":4.060103,"avlc":{"src":{"addr":"485A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2625D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":46.200001,"lon":11.600000},"alt":20000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111801,"usec":36712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949999,"noise_level":-18.971642,"freq_skew":2.235889,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111804,"usec":61796},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816356,"noise_level":-18.267897,"freq_skew":5.116971,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDN"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111806,"usec":321949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777970,"noise_level":-18.679087,"freq_skew":3.841401,"avlc":{"src":{"addr":"4D246F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111807,"usec":137594},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944632,"noise_level":-18.467163,"freq_skew":4.743564,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121300","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,192,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111807,"usec":900669},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636316,"noise_level":-18.995264,"freq_skew":4.934428,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111814,"usec":772399},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783166,"noise_level":-21.151321,"freq_skew":4.817525,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLC","mode":"2","label":"8S","blk_id":"5","ack":"!","flight":"FR9620","msg_num":"M04","msg_num_seq":"A","msg_text":"103636,C,EDJA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111815,"usec":555199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961390,"noise_level":-21.079464,"freq_skew":4.648582,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111818,"usec":568949},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485218,"noise_level":-20.577450,"freq_skew":3.903624,"avlc":{"src":{"addr":"4401D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111818,"usec":579417},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250515,"noise_level":-20.485113,"freq_skew":3.774244,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"GS0000","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111820,"usec":904959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381459,"noise_level":-20.305988,"freq_skew":4.409629,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111824,"usec":699443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100610,"noise_level":-20.607208,"freq_skew":3.759982,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111825,"usec":455594},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575214,"noise_level":-20.756618,"freq_skew":3.284688,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46227,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[142,40,172,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111827,"usec":766324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.142879,"noise_level":-20.661007,"freq_skew":4.876903,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111829,"usec":292497},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592953,"noise_level":-20.249147,"freq_skew":3.215131,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46227,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[207,179,196,193]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46227,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,166,120,7]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":37,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111829,"usec":294976},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635438,"noise_level":-21.105694,"freq_skew":2.264930,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":17,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111830,"usec":799973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123083,"noise_level":-21.031092,"freq_skew":2.038166,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111831,"usec":563796},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.650377,"noise_level":-20.925709,"freq_skew":3.605167,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"GS0000","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111832,"usec":329218},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.933323,"noise_level":-21.208519,"freq_skew":4.219535,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46227,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[207,179,196,193]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46227,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,166,120,7]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":37,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111832,"usec":331300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802589,"noise_level":-21.198544,"freq_skew":3.782854,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111832,"usec":346372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795052,"noise_level":-21.040451,"freq_skew":5.402725,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111838,"usec":433769},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.301395,"noise_level":-20.619429,"freq_skew":3.517382,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":12.500000},"alt":20000}},{"name":"alternate_ground_stations","value":["10953A","1098FA","109B5A","10935A","109CBA","10910A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111846,"usec":826171},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821306,"noise_level":-19.111149,"freq_skew":3.094567,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":12.500000},"alt":20000}},{"name":"alternate_ground_stations","value":["10953A","1098FA","109B5A","10935A","109CBA","10910A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111847,"usec":647519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487133,"noise_level":-18.772814,"freq_skew":3.917725,"avlc":{"src":{"addr":"AE0482","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111851,"usec":437264},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.484295,"noise_level":-19.132902,"freq_skew":3.698282,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111852,"usec":963508},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596298,"noise_level":-18.651276,"freq_skew":3.966445,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRI","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"DE0081","msg_num":"F50","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS103731,150726/DTEDDF,07L,145,104631,046/FNCFG081F3F3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111854,"usec":497834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735590,"noise_level":-19.413507,"freq_skew":4.004428,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111856,"usec":791556},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493764,"noise_level":-19.747395,"freq_skew":3.479539,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":8.700000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111858,"usec":315564},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.814509,"noise_level":-20.194017,"freq_skew":3.788012,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":4,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42932,"credit":4,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[22,97,158,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111860,"usec":576001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050163,"noise_level":-19.660072,"freq_skew":3.396186,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111860,"usec":586367},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660300,"noise_level":-20.805929,"freq_skew":2.253384,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111874,"usec":397082},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.923377,"noise_level":-19.886486,"freq_skew":1.694678,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111874,"usec":400559},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.782118,"noise_level":-19.852259,"freq_skew":3.347488,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111875,"usec":916963},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796518,"noise_level":-21.745014,"freq_skew":3.659443,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111878,"usec":934620},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.764976,"noise_level":-22.509726,"freq_skew":1.635607,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111878,"usec":938348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674768,"noise_level":-22.475006,"freq_skew":3.785625,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111879,"usec":710926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.815311,"noise_level":-23.138258,"freq_skew":3.410615,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111880,"usec":456952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.807422,"noise_level":-22.977692,"freq_skew":3.480123,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111883,"usec":537096},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978760,"noise_level":-22.223785,"freq_skew":4.891499,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46215,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,28,205,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111884,"usec":309978},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818811,"noise_level":-21.786177,"freq_skew":4.069996,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":8.700000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111885,"usec":54450},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787265,"noise_level":-21.669601,"freq_skew":3.312592,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21522744","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,69,72,0,70,165,228,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111885,"usec":814467},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697964,"noise_level":-21.492462,"freq_skew":1.516952,"avlc":{"src":{"addr":"0A008C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":77,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54575,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[6,31,175,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111885,"usec":828049},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564005,"noise_level":-21.359402,"freq_skew":3.299245,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111886,"usec":555288},"freq":136975000,"burst_len_octets":159,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652285,"noise_level":-21.746956,"freq_skew":4.948276,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XA0145","msg_num":"A16","msg_num_seq":"A","sublabel":"M1","msg_text":"/.TWX/WX1,EINN.BIKF.CYYR.KGYY933F"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111886,"usec":555288},"freq":136975000,"burst_len_octets":159,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.652285,"noise_level":-21.746956,"freq_skew":4.948276,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"51664242","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,167,104,162,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111887,"usec":345226},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108414,"noise_level":-21.746265,"freq_skew":3.788369,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":4,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6325,"dst_ref":42932,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[191,233,118,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111888,"usec":137475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.251831,"noise_level":-21.588406,"freq_skew":3.021193,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111891,"usec":181503},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514929,"noise_level":-22.625240,"freq_skew":4.673524,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XA0145","msg_num":"A16","msg_num_seq":"A","sublabel":"M1","msg_text":"/.TWX/WX1,EINN.BIKF.CYYR.KGYY933F"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111891,"usec":919266},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867839,"noise_level":-22.566683,"freq_skew":3.464920,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC5001","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111891,"usec":919266},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.867839,"noise_level":-22.566683,"freq_skew":3.464920,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,243,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111891,"usec":919775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730649,"noise_level":-22.555019,"freq_skew":5.084706,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111892,"usec":690921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090247,"noise_level":-23.407927,"freq_skew":3.733312,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111893,"usec":445871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700313,"noise_level":-24.353685,"freq_skew":4.923096,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111898,"usec":58184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459945,"noise_level":-24.592106,"freq_skew":4.274739,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111899,"usec":573083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563469,"noise_level":-24.540504,"freq_skew":4.511830,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WAN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"W69103","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111900,"usec":327310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950950,"noise_level":-25.049896,"freq_skew":3.889395,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111901,"usec":78478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715120,"noise_level":-24.655090,"freq_skew":4.244051,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111901,"usec":95800},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583160,"noise_level":-24.406322,"freq_skew":3.719761,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[128,160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111901,"usec":883959},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551296,"noise_level":-25.274158,"freq_skew":3.620673,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42675,"credit":5,"rseq":22,"variable_part_params":[{"name":"atn_checksum","value":[211,188,124,35]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42675,"sseq":20,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,153,1,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":20,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":38,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111902,"usec":629666},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492734,"noise_level":-25.022766,"freq_skew":3.808725,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,69,76,0,68,204,70,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111902,"usec":632627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672869,"noise_level":-25.012886,"freq_skew":0.848966,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111904,"usec":160187},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774330,"noise_level":-24.343264,"freq_skew":3.860910,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111904,"usec":175932},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.779374,"noise_level":-24.846277,"freq_skew":3.154536,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSDLM","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"GS930V","msg_num":"M26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111904,"usec":179953},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865519,"noise_level":-24.800871,"freq_skew":3.427631,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":69,"dst_ref":42681,"variable_part_params":[{"name":"atn_checksum","value":[253,74,72,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111905,"usec":680782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931732,"noise_level":-25.187672,"freq_skew":3.854513,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111907,"usec":195438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858071,"noise_level":-25.644676,"freq_skew":2.038333,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111907,"usec":211751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583657,"noise_level":-25.479887,"freq_skew":4.901158,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"XA0145","msg_num":"M66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111908,"usec":757296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100743,"noise_level":-24.820007,"freq_skew":4.831605,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111910,"usec":266412},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914602,"noise_level":-24.097788,"freq_skew":3.236779,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":229,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111910,"usec":268008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845231,"noise_level":-24.000874,"freq_skew":3.365112,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDJ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"PC549U","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111911,"usec":796091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960418,"noise_level":-24.514160,"freq_skew":3.099065,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111912,"usec":568820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747806,"noise_level":-24.159908,"freq_skew":3.284960,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111914,"usec":70567},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767435,"noise_level":-24.363268,"freq_skew":3.856950,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNK","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"LH04AX","msg_num":"S97","msg_num_seq":"A","msg_text":"0EV103825V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":38,"sec":25}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111917,"usec":164708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146374,"noise_level":-24.514973,"freq_skew":3.216422,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111920,"usec":950290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782699,"noise_level":-24.127769,"freq_skew":1.839511,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111920,"usec":970023},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441381,"noise_level":-24.460712,"freq_skew":3.744591,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111921,"usec":699055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924672,"noise_level":-25.633230,"freq_skew":3.800950,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"SN047P","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111922,"usec":512792},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678274,"noise_level":-26.486170,"freq_skew":1.793861,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42948,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[245,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111922,"usec":512792},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.678274,"noise_level":-26.486170,"freq_skew":1.793861,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":42948,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[14,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111923,"usec":286787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486303,"noise_level":-26.159977,"freq_skew":1.994469,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111924,"usec":34262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091544,"noise_level":-26.659420,"freq_skew":3.903005,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111924,"usec":790775},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770174,"noise_level":-26.204117,"freq_skew":3.602980,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"SN047P","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111925,"usec":556033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610769,"noise_level":-26.501524,"freq_skew":3.474286,"avlc":{"src":{"addr":"4D246F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111926,"usec":306941},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752918,"noise_level":-26.319828,"freq_skew":2.001865,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42949,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[240,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111927,"usec":62913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404930,"noise_level":-26.238955,"freq_skew":3.372501,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46227,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[137,194,16,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111928,"usec":594275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.676114,"noise_level":-25.120584,"freq_skew":4.157600,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111930,"usec":146136},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754121,"noise_level":-24.559597,"freq_skew":4.040469,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRI","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"DE0081","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111930,"usec":910789},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647377,"noise_level":-24.848974,"freq_skew":3.682645,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRI","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"DE0081","msg_num":"F51","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111930,"usec":915497},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857060,"noise_level":-24.788464,"freq_skew":2.087239,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42949,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[246,216]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":38,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111932,"usec":421762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487078,"noise_level":-25.837286,"freq_skew":2.154744,"avlc":{"src":{"addr":"4D2336","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111933,"usec":186054},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702054,"noise_level":-25.503593,"freq_skew":4.627986,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":89,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111933,"usec":199672},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569550,"noise_level":-25.357513,"freq_skew":2.007860,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111934,"usec":696213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051606,"noise_level":-26.323130,"freq_skew":1.911081,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111935,"usec":518026},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898556,"noise_level":-25.549204,"freq_skew":3.714860,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"10","blk_id":"5","ack":"!","flight":"GS0000","msg_num":"M53","msg_num_seq":"A","msg_text":"/N47.333/E011.528/10/0.76/281/350/LSZH/1109/0050/00020/KPT /SIXWA/1041/RAVED/1040/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111938,"usec":547709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.068015,"noise_level":-25.753788,"freq_skew":3.930435,"avlc":{"src":{"addr":"4401D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111943,"usec":148047},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658233,"noise_level":-23.458408,"freq_skew":3.639171,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"GS0000","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111943,"usec":154939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843654,"noise_level":-23.615343,"freq_skew":4.660471,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111943,"usec":158449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.295105,"noise_level":-23.562822,"freq_skew":4.469544,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111943,"usec":913704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277400,"noise_level":-23.330330,"freq_skew":3.524275,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111946,"usec":956386},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061408,"noise_level":-22.128807,"freq_skew":3.751245,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":37,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111949,"usec":248399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485303,"noise_level":-21.518173,"freq_skew":3.599358,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111952,"usec":291645},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.627980,"noise_level":-20.457985,"freq_skew":5.047759,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSA","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"FR01TU","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111953,"usec":821284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.685544,"noise_level":-21.315639,"freq_skew":3.714442,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111954,"usec":568527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.085596,"noise_level":-21.814026,"freq_skew":2.602533,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111954,"usec":569372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590382,"noise_level":-21.814026,"freq_skew":3.584739,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111956,"usec":128223},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534930,"noise_level":-23.811611,"freq_skew":2.031340,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111957,"usec":644486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647392,"noise_level":-23.125473,"freq_skew":4.156389,"avlc":{"src":{"addr":"405EE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYC","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"BA0417","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111958,"usec":406147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.028753,"noise_level":-23.700657,"freq_skew":3.182192,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111958,"usec":412790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.163605,"noise_level":-23.608051,"freq_skew":4.437339,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111958,"usec":419470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156734,"noise_level":-23.529453,"freq_skew":3.490319,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111959,"usec":934467},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.458064,"noise_level":-23.395748,"freq_skew":3.632314,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":6,"calling_addr":"22231207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,80,82,84,0,73,50,135,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111959,"usec":934752},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.750025,"noise_level":-23.395748,"freq_skew":3.707586,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111959,"usec":939005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251575,"noise_level":-23.344534,"freq_skew":4.647403,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111959,"usec":948370},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003173,"noise_level":-23.243004,"freq_skew":5.244210,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYW","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR45TF","msg_num":"M16","msg_num_seq":"A","msg_text":"103918,,1135, 160,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111963,"usec":3341},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648183,"noise_level":-24.580292,"freq_skew":1.867762,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111966,"usec":45658},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289220,"noise_level":-23.108181,"freq_skew":3.489313,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111966,"usec":49964},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962971,"noise_level":-23.058632,"freq_skew":0.617253,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":156,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111966,"usec":53846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983970,"noise_level":-23.021652,"freq_skew":2.562993,"avlc":{"src":{"addr":"3C7A4D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111968,"usec":357188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913691,"noise_level":-23.291893,"freq_skew":0.932137,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111969,"usec":132358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168046,"noise_level":-22.870850,"freq_skew":0.811259,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111970,"usec":644602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.513292,"noise_level":-22.380634,"freq_skew":3.340964,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":100,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,12,14,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111972,"usec":168403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970553,"noise_level":-21.924404,"freq_skew":3.261941,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111976,"usec":21598},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896854,"noise_level":-20.566225,"freq_skew":0.884841,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,88,83,0,75,206,70,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":222,"segment_offset":0,"pdu_total_len":123},"reasm_status":"skipped","options":[{"name":"lref","value":[3]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":18}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":4297,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[20,227]},{"name":"atn_checksum","value":[152,249,40,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111976,"usec":766404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714761,"noise_level":-21.764400,"freq_skew":2.018453,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111976,"usec":774538},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481787,"noise_level":-21.700779,"freq_skew":2.044720,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111977,"usec":519027},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.742523,"noise_level":-21.585339,"freq_skew":0.686177,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":223,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42956,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[91,237,121,89]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111979,"usec":24268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905790,"noise_level":-21.949997,"freq_skew":5.946609,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111979,"usec":32825},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741402,"noise_level":-22.438499,"freq_skew":1.991161,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111979,"usec":803524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890086,"noise_level":-22.256403,"freq_skew":0.538841,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111980,"usec":553878},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923178,"noise_level":-22.309530,"freq_skew":5.260730,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111982,"usec":885984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.467088,"noise_level":-23.224659,"freq_skew":3.733486,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111982,"usec":886919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942871,"noise_level":-23.224659,"freq_skew":1.066448,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111985,"usec":144324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980134,"noise_level":-23.247946,"freq_skew":2.961518,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111985,"usec":918565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801160,"noise_level":-23.562346,"freq_skew":1.971374,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111987,"usec":436316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646313,"noise_level":-22.750635,"freq_skew":3.282814,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111988,"usec":962232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940359,"noise_level":-23.292103,"freq_skew":3.119392,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111992,"usec":35151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810138,"noise_level":-24.973995,"freq_skew":3.017591,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111992,"usec":786476},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636312,"noise_level":-25.322701,"freq_skew":3.676125,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48134,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[228,115]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111993,"usec":565330},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604766,"noise_level":-25.007858,"freq_skew":3.926973,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":330,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111995,"usec":91849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818357,"noise_level":-24.140491,"freq_skew":3.505834,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111995,"usec":92001},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953888,"noise_level":-24.140491,"freq_skew":3.632480,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":4,"chan_num":5,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111995,"usec":862575},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498818,"noise_level":-24.112556,"freq_skew":5.418039,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1133,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111995,"usec":866941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732930,"noise_level":-24.056950,"freq_skew":0.740072,"avlc":{"src":{"addr":"3C6442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111996,"usec":637573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732424,"noise_level":-23.519638,"freq_skew":3.770737,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111999,"usec":660193},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956367,"noise_level":-22.535496,"freq_skew":3.446946,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42936,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,121,215,189]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":39,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784111999,"usec":670771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.457346,"noise_level":-22.419964,"freq_skew":5.570600,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112001,"usec":173114},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120349,"noise_level":-22.369617,"freq_skew":3.678883,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112001,"usec":174148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.775105,"noise_level":-22.346828,"freq_skew":5.921378,"avlc":{"src":{"addr":"4CA7B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112001,"usec":183213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286355,"noise_level":-22.155483,"freq_skew":3.702327,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112001,"usec":183298},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.024885,"noise_level":-22.155483,"freq_skew":3.580424,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42936,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,193,206,143]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":40,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112002,"usec":740812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020724,"noise_level":-21.806353,"freq_skew":3.721488,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112005,"usec":24252},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003920,"noise_level":-21.551517,"freq_skew":1.998806,"avlc":{"src":{"addr":"4D2336","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":241,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":184,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112007,"usec":314605},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071157,"noise_level":-20.663834,"freq_skew":4.638459,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60104,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[2,106]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112009,"usec":625311},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554269,"noise_level":-22.292156,"freq_skew":1.871353,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112011,"usec":135349},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627392,"noise_level":-22.631145,"freq_skew":1.765775,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112011,"usec":135619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.684876,"noise_level":-22.619392,"freq_skew":3.577595,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112011,"usec":154739},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736194,"noise_level":-22.672115,"freq_skew":1.779323,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":6,"dst_ref":42949,"variable_part_params":[{"name":"checksum","value":[9,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112011,"usec":159541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.912232,"noise_level":-22.613239,"freq_skew":3.812970,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112012,"usec":664062},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704237,"noise_level":-22.803558,"freq_skew":1.966796,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46250,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[38,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112014,"usec":177487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770428,"noise_level":-23.097164,"freq_skew":4.777314,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42961,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[217,109,173,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112014,"usec":943051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007424,"noise_level":-22.792389,"freq_skew":1.875421,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112014,"usec":948053},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.058593,"noise_level":-23.335402,"freq_skew":4.970910,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42961,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[77,13,168,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112016,"usec":442069},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697862,"noise_level":-23.937857,"freq_skew":4.186544,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRI","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"DE0081","msg_num":"M08","msg_num_seq":"A","msg_text":"34-------,D,EDDF,1046"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112018,"usec":784232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276487,"noise_level":-23.553246,"freq_skew":3.543726,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112018,"usec":787101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049989,"noise_level":-23.514107,"freq_skew":5.029062,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112018,"usec":796636},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771653,"noise_level":-23.397732,"freq_skew":3.514971,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":12.900001},"alt":25000}},{"name":"alternate_ground_stations","value":["10F66A","10935A","109B5A","1098FA","10911A","109CBA","10910A","109D6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112019,"usec":525705},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863755,"noise_level":-23.372080,"freq_skew":3.746188,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112019,"usec":542682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.283097,"noise_level":-24.483288,"freq_skew":4.144967,"avlc":{"src":{"addr":"3C7A49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112020,"usec":285322},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873940,"noise_level":-25.334253,"freq_skew":3.416850,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH03FP","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112021,"usec":823087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953372,"noise_level":-25.273693,"freq_skew":3.524812,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112023,"usec":387472},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501869,"noise_level":-24.452927,"freq_skew":3.931971,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,76,73,76,0,74,49,34,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,77,77,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":173,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[202,83]},{"name":"atn_checksum","value":[180,197,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112024,"usec":134422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948607,"noise_level":-26.079483,"freq_skew":4.413315,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112027,"usec":169357},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531395,"noise_level":-24.640373,"freq_skew":3.805499,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,76,73,76,0,74,49,34,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,77,77,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":173,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[202,83]},{"name":"atn_checksum","value":[180,197,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112027,"usec":933959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596423,"noise_level":-25.357555,"freq_skew":3.834039,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112028,"usec":692748},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617904,"noise_level":-25.820257,"freq_skew":0.947086,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":227,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112029,"usec":454611},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.792625,"noise_level":-25.309330,"freq_skew":4.710538,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"dst_airport","value":"KGYY"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":12.000000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112035,"usec":563562},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968400,"noise_level":-22.584076,"freq_skew":3.844285,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112035,"usec":574622},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096543,"noise_level":-22.467899,"freq_skew":4.801727,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112037,"usec":134738},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228295,"noise_level":-22.128674,"freq_skew":3.601619,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILV","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR83JF","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112039,"usec":398574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197315,"noise_level":-21.343941,"freq_skew":3.856828,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112040,"usec":925840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.534487,"noise_level":-21.882690,"freq_skew":3.706995,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112041,"usec":685554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819679,"noise_level":-21.863365,"freq_skew":3.533518,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBF","mode":"2","label":"_d","blk_id":"4","ack":"U","flight":"SN047P","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112046,"usec":289258},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510956,"noise_level":-22.125242,"freq_skew":4.243267,"avlc":{"src":{"addr":"405EE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYC","mode":"2","label":"_d","blk_id":"9","ack":"S","flight":"BA0417","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112046,"usec":294055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654821,"noise_level":-22.092022,"freq_skew":4.729756,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112047,"usec":33151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802346,"noise_level":-21.756010,"freq_skew":3.109837,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112047,"usec":801184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569660,"noise_level":-21.791239,"freq_skew":4.061265,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112050,"usec":113785},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832558,"noise_level":-21.074375,"freq_skew":4.105463,"avlc":{"src":{"addr":"405EE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYC","mode":"2","label":"_d","blk_id":"9","ack":"S","flight":"BA0417","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112050,"usec":893300},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678299,"noise_level":-22.261007,"freq_skew":4.671710,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"51664242","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,167,104,162,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112052,"usec":389263},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987128,"noise_level":-21.875298,"freq_skew":3.616976,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBF","mode":"2","label":"_d","blk_id":"6","ack":"W","flight":"SN047P","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112053,"usec":147012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839157,"noise_level":-22.745531,"freq_skew":4.909349,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112053,"usec":149311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655447,"noise_level":-23.511744,"freq_skew":4.500795,"avlc":{"src":{"addr":"405EE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112053,"usec":154422},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520554,"noise_level":-23.446915,"freq_skew":3.885797,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[202,83]},{"name":"atn_checksum","value":[180,197,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112053,"usec":165970},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610494,"noise_level":-23.305977,"freq_skew":5.022270,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":216,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112053,"usec":911047},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656641,"noise_level":-23.230053,"freq_skew":4.171009,"avlc":{"src":{"addr":"405EE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYC","mode":"2","label":"_d","blk_id":"9","ack":"S","flight":"BA0417","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112056,"usec":201803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778032,"noise_level":-23.143719,"freq_skew":4.852982,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112056,"usec":987621},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219556,"noise_level":-23.355982,"freq_skew":4.012193,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[202,83]},{"name":"atn_checksum","value":[180,197,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112056,"usec":989052},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547097,"noise_level":-23.343210,"freq_skew":4.794893,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112056,"usec":989052},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.547097,"noise_level":-23.343210,"freq_skew":4.794893,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112058,"usec":516559},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454424,"noise_level":-23.899572,"freq_skew":2.387799,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9A-SHO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SR09ZD","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112060,"usec":31040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.535413,"noise_level":-23.742863,"freq_skew":2.101768,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112061,"usec":550735},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762083,"noise_level":-23.252764,"freq_skew":3.426002,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":610,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112062,"usec":308494},"freq":136975000,"burst_len_octets":205,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856264,"noise_level":-22.942579,"freq_skew":2.287518,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNU","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"LH038E","msg_num":"M74","msg_num_seq":"A","msg_text":"02E15LICCEDDLN48550E00950210173799M510278045G QN49410E00924710233797M492273041G QN50259E00859810303724M472280039G QN51003E00812010382516M312269026G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112063,"usec":867284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.433312,"noise_level":-23.408703,"freq_skew":2.054476,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112063,"usec":868178},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004586,"noise_level":-23.600067,"freq_skew":4.789733,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112063,"usec":879268},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581790,"noise_level":-23.456646,"freq_skew":4.833334,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112065,"usec":395425},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952037,"noise_level":-22.905512,"freq_skew":4.812643,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112066,"usec":158267},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566750,"noise_level":-24.580137,"freq_skew":4.836804,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":253,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112066,"usec":912893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835536,"noise_level":-24.920862,"freq_skew":2.133310,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112067,"usec":660229},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435730,"noise_level":-24.754107,"freq_skew":4.218318,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":175,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112067,"usec":675075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633786,"noise_level":-25.344902,"freq_skew":4.808582,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112069,"usec":956293},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362993,"noise_level":-24.626564,"freq_skew":3.815884,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":175,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112071,"usec":518491},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180792,"noise_level":-24.313530,"freq_skew":5.381165,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"1","ack":"T","flight":"LH03WR","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112074,"usec":551528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075685,"noise_level":-23.425732,"freq_skew":4.850108,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112075,"usec":285343},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.611830,"noise_level":-24.059109,"freq_skew":4.921103,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"44","blk_id":"8","ack":"!","flight":"XA0145","msg_num":"M76","msg_num_seq":"A","msg_text":"POS02,N49080E011533,399,LGKR,KGYY,0715,1041,1939,024.6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112078,"usec":396235},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659405,"noise_level":-24.710295,"freq_skew":3.473294,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112079,"usec":157192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668662,"noise_level":-24.603643,"freq_skew":4.855429,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112080,"usec":671140},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203249,"noise_level":-25.191280,"freq_skew":4.846663,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112080,"usec":672134},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382118,"noise_level":-25.175505,"freq_skew":4.098254,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YR-LIB","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FL0482","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112081,"usec":424960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932143,"noise_level":-25.509634,"freq_skew":2.256204,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112081,"usec":428763},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399731,"noise_level":-25.444359,"freq_skew":3.684421,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112083,"usec":745275},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136478,"noise_level":-25.573633,"freq_skew":5.111866,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":139,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[85,222,131,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112084,"usec":484732},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982862,"noise_level":-25.928461,"freq_skew":4.983859,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112084,"usec":488912},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210370,"noise_level":-26.092102,"freq_skew":2.050421,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNU","mode":"2","label":"_d","blk_id":"6","ack":"R","flight":"LH038E","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112085,"usec":260215},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704571,"noise_level":-27.692358,"freq_skew":3.627790,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112085,"usec":260703},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565910,"noise_level":-27.671326,"freq_skew":4.727510,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127452","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,42,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112086,"usec":791173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579346,"noise_level":-26.759823,"freq_skew":2.968030,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112086,"usec":792246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444583,"noise_level":-27.501753,"freq_skew":5.071255,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112087,"usec":521377},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.457380,"noise_level":-27.659586,"freq_skew":5.062868,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46259,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[252,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112087,"usec":521730},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397913,"noise_level":-27.638630,"freq_skew":4.718865,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1032,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60104,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[4,102]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112090,"usec":618961},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.521386,"noise_level":-25.797295,"freq_skew":3.133766,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":100,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,12,14,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112091,"usec":384353},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710713,"noise_level":-25.287676,"freq_skew":1.064754,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112092,"usec":119264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.971332,"noise_level":-25.847603,"freq_skew":3.470198,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112093,"usec":674379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604865,"noise_level":-24.714415,"freq_skew":4.830552,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112097,"usec":482031},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740946,"noise_level":-24.681185,"freq_skew":1.847098,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46250,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[23,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112101,"usec":274182},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.520945,"noise_level":-25.175358,"freq_skew":5.768360,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6501,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60072,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[102,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":41,"sec":38}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112102,"usec":32325},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.585742,"noise_level":-24.790001,"freq_skew":5.033922,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46259,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[244,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112108,"usec":169492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577200,"noise_level":-23.041378,"freq_skew":3.594270,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112109,"usec":682506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.091608,"noise_level":-22.354263,"freq_skew":5.756640,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112112,"usec":15928},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628405,"noise_level":-22.058630,"freq_skew":0.956802,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":4298,"dst_ref":42975,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[161,197,24,220]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112114,"usec":292923},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106479,"noise_level":-22.669594,"freq_skew":1.066549,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[87,71,116,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112115,"usec":51974},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.494052,"noise_level":-23.415070,"freq_skew":5.077446,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46259,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[10,143]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":41,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112115,"usec":53836},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515766,"noise_level":-23.402210,"freq_skew":3.910343,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LLBG"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":10.000000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112115,"usec":784183},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517029,"noise_level":-24.497772,"freq_skew":0.936956,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112115,"usec":792985},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.282289,"noise_level":-24.367546,"freq_skew":5.229167,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46259,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[10,143]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":41,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112118,"usec":111901},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819086,"noise_level":-24.335930,"freq_skew":3.545211,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":6,"cause_descr":"Station cannot support initiating handoff","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112121,"usec":905394},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648469,"noise_level":-24.069782,"freq_skew":4.720381,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"KGYY"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":11.800000},"alt":0}},{"name":"alternate_ground_stations","value":["10911A","109CBA","1098FA","10953A","1090DA","1090CA","109D6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112122,"usec":668934},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819978,"noise_level":-23.676380,"freq_skew":1.828824,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46250,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[19,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112125,"usec":2507},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.064458,"noise_level":-22.557917,"freq_skew":5.880185,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6503,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112125,"usec":743965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239721,"noise_level":-22.728138,"freq_skew":4.905326,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112128,"usec":14216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055756,"noise_level":-23.092991,"freq_skew":1.969606,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112128,"usec":23142},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923174,"noise_level":-22.982086,"freq_skew":5.784915,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6504,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60072,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[192,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112129,"usec":538076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.998952,"noise_level":-22.482483,"freq_skew":2.204901,"avlc":{"src":{"addr":"4081AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112130,"usec":298663},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.028476,"noise_level":-22.153559,"freq_skew":4.284181,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":423,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112130,"usec":301854},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.976908,"noise_level":-22.120232,"freq_skew":1.862558,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46250,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[213,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":42,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112131,"usec":865080},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889123,"noise_level":-21.551620,"freq_skew":4.357440,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112133,"usec":383360},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962582,"noise_level":-21.047304,"freq_skew":2.381524,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":7,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48335,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[51,150,36,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112134,"usec":900893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.897356,"noise_level":-20.998602,"freq_skew":5.948011,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112134,"usec":903168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798247,"noise_level":-20.979136,"freq_skew":4.488675,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112134,"usec":909667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171213,"noise_level":-21.179476,"freq_skew":2.092891,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112134,"usec":911368},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996903,"noise_level":-21.159601,"freq_skew":2.327911,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48335,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[166,54,31,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112134,"usec":911368},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.996903,"noise_level":-21.159601,"freq_skew":2.327911,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":10,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1793,"dst_ref":48335,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[117,39,67,49]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112135,"usec":670265},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.047100,"noise_level":-21.110443,"freq_skew":1.845401,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46250,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[213,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":42,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112136,"usec":428887},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739562,"noise_level":-21.108980,"freq_skew":2.594935,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112137,"usec":179858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.752181,"noise_level":-20.884911,"freq_skew":1.910589,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112140,"usec":259137},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339873,"noise_level":-20.330317,"freq_skew":2.467611,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112141,"usec":787908},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137679,"noise_level":-20.466730,"freq_skew":5.909340,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":5.000000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112144,"usec":87044},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529559,"noise_level":-20.367880,"freq_skew":2.436327,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112145,"usec":628540},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168820,"noise_level":-20.532650,"freq_skew":2.295867,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112146,"usec":367371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.130926,"noise_level":-20.477413,"freq_skew":4.471124,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112146,"usec":381459},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836287,"noise_level":-20.358927,"freq_skew":2.462781,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":14,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48337,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[149,52,131,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112147,"usec":888072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886726,"noise_level":-20.325699,"freq_skew":4.405591,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112151,"usec":749449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163115,"noise_level":-20.932198,"freq_skew":2.278480,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112153,"usec":245848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.325069,"noise_level":-20.563021,"freq_skew":2.619159,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112154,"usec":770072},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635982,"noise_level":-20.580328,"freq_skew":4.013766,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TF-ICI","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"FI0520","msg_num":"M25","msg_num_seq":"A","msg_text":"0LS1042332","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":10,"min":42,"sec":33}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112165,"usec":482869},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409242,"noise_level":-20.282469,"freq_skew":4.339100,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TUKF","mode":"2","label":"_d","blk_id":"5","ack":"E","flight":"BY052B","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112165,"usec":495288},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789131,"noise_level":-20.140072,"freq_skew":5.651176,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22732545","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,65,73,0,75,181,101,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112167,"usec":772380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563782,"noise_level":-19.839928,"freq_skew":5.512694,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112167,"usec":774450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803302,"noise_level":-20.157303,"freq_skew":2.750885,"avlc":{"src":{"addr":"76CDC3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112170,"usec":32124},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860066,"noise_level":-20.454311,"freq_skew":2.980156,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGAV"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.300000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112171,"usec":596917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584584,"noise_level":-21.031113,"freq_skew":4.046115,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112173,"usec":892973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429842,"noise_level":-20.728512,"freq_skew":4.007209,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112175,"usec":414183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257913,"noise_level":-20.241772,"freq_skew":3.983736,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112179,"usec":249342},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012706,"noise_level":-20.149590,"freq_skew":3.673363,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112180,"usec":750875},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338907,"noise_level":-20.348577,"freq_skew":3.519763,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42936,"credit":4,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[239,99,99,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112182,"usec":277075},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859011,"noise_level":-21.497528,"freq_skew":2.560026,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JVY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"2L07HP","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112182,"usec":286559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667038,"noise_level":-21.435825,"freq_skew":3.909287,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112183,"usec":36950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798908,"noise_level":-21.263344,"freq_skew":2.633700,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112184,"usec":589543},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199009,"noise_level":-21.647360,"freq_skew":2.521982,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112185,"usec":364043},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324622,"noise_level":-21.237198,"freq_skew":4.030054,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LLBG"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":10.300000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112187,"usec":641087},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726218,"noise_level":-22.877714,"freq_skew":3.394411,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112187,"usec":643557},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.971069,"noise_level":-23.786676,"freq_skew":3.447523,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112187,"usec":653187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800602,"noise_level":-23.653378,"freq_skew":3.360664,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112188,"usec":408713},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770051,"noise_level":-24.280424,"freq_skew":3.629170,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8036,"dst_ref":42936,"variable_part_params":[{"name":"atn_checksum","value":[39,199,179,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112189,"usec":137923},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660619,"noise_level":-24.237873,"freq_skew":2.477251,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112189,"usec":924029},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433043,"noise_level":-24.059336,"freq_skew":2.187504,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112189,"usec":924361},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122912,"noise_level":-24.059336,"freq_skew":2.430368,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48346,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[189,88,137,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112192,"usec":999937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124497,"noise_level":-23.880022,"freq_skew":3.568654,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112194,"usec":499470},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609735,"noise_level":-24.594444,"freq_skew":3.653181,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNK","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"LH04AX","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112194,"usec":506024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.852702,"noise_level":-24.506443,"freq_skew":5.873318,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112196,"usec":13910},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858954,"noise_level":-23.725426,"freq_skew":3.721217,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42819,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,95,156,237]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":43,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112196,"usec":790596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777349,"noise_level":-23.462679,"freq_skew":3.396757,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112198,"usec":294262},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799860,"noise_level":-24.015999,"freq_skew":3.477901,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":363,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42819,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[18,11,138,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112199,"usec":105902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887806,"noise_level":-24.435080,"freq_skew":5.230379,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112199,"usec":121270},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126199,"noise_level":-24.220642,"freq_skew":5.241519,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":274,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112199,"usec":881931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328086,"noise_level":-24.402788,"freq_skew":5.267863,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112200,"usec":640182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814864,"noise_level":-24.105129,"freq_skew":2.232352,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32822,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[20,90,160,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112201,"usec":397846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-11.143847,"noise_level":-24.290176,"freq_skew":2.308838,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112202,"usec":136323},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120026,"noise_level":-24.725529,"freq_skew":2.383803,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112202,"usec":136323},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.120026,"noise_level":-24.725529,"freq_skew":2.383803,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48349,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[144,112,99,235]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"adsc_v2":{"adsc_ack":{"contract_number":0,"request_type":"periodic-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"ESSPADSC"},{"facility_designation":"EDYY"}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112202,"usec":912029},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.239491,"noise_level":-24.146626,"freq_skew":5.911817,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60072,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[180,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112204,"usec":471494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.804674,"noise_level":-23.577642,"freq_skew":3.614125,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[135,192,242,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112205,"usec":994264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.495779,"noise_level":-22.909054,"freq_skew":3.941083,"avlc":{"src":{"addr":"408356","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112207,"usec":497241},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704049,"noise_level":-22.517349,"freq_skew":2.148257,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112208,"usec":258950},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570581,"noise_level":-23.043472,"freq_skew":2.300027,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112208,"usec":268198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.164485,"noise_level":-22.933197,"freq_skew":4.189876,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112209,"usec":774108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740258,"noise_level":-22.356203,"freq_skew":3.687808,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112210,"usec":535474},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069051,"noise_level":-22.858158,"freq_skew":3.576294,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37912,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[210,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112211,"usec":318279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.151116,"noise_level":-22.365437,"freq_skew":5.670052,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112212,"usec":108233},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931256,"noise_level":-22.107006,"freq_skew":2.308031,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112214,"usec":380979},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656348,"noise_level":-21.404524,"freq_skew":0.905009,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[222,29,0,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112214,"usec":384219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.789151,"noise_level":-21.373943,"freq_skew":2.991238,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112218,"usec":973284},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798452,"noise_level":-20.117996,"freq_skew":2.781762,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":8.800000},"alt":18000}},{"name":"alternate_ground_stations","value":["225677"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112220,"usec":492751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027301,"noise_level":-22.592508,"freq_skew":3.918747,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112220,"usec":503460},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541811,"noise_level":-22.534754,"freq_skew":2.673907,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614776","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,79,65,87,0,75,25,254,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112221,"usec":253789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687981,"noise_level":-22.362041,"freq_skew":2.513580,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112224,"usec":279151},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.122042,"noise_level":-22.341228,"freq_skew":4.542327,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":128,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[57,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112225,"usec":850849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632544,"noise_level":-21.527565,"freq_skew":4.497044,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112228,"usec":114849},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614985,"noise_level":-21.397684,"freq_skew":4.675565,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2655,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48089,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":43,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112229,"usec":662903},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.793012,"noise_level":-22.191330,"freq_skew":4.711726,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46215,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[54,165,37,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112231,"usec":171164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927069,"noise_level":-22.864719,"freq_skew":3.892207,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112235,"usec":778996},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014859,"noise_level":-21.799686,"freq_skew":4.803165,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48089,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,217]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":43,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112237,"usec":288147},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343968,"noise_level":-21.351938,"freq_skew":4.901885,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2657,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48089,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[240,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112237,"usec":291936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304971,"noise_level":-22.094400,"freq_skew":4.872115,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112238,"usec":45581},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.270875,"noise_level":-21.865301,"freq_skew":3.993804,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48134,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[230,111]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112249,"usec":507742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105581,"noise_level":-19.367859,"freq_skew":3.393935,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112255,"usec":638918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905253,"noise_level":-21.160604,"freq_skew":3.479446,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112256,"usec":387169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799118,"noise_level":-22.065834,"freq_skew":3.707338,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNK","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"LH04AX","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112257,"usec":162194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585502,"noise_level":-21.800098,"freq_skew":3.838217,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNK","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"LH04AX","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112259,"usec":467623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355761,"noise_level":-21.765198,"freq_skew":5.811512,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112261,"usec":764915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132899,"noise_level":-20.846941,"freq_skew":3.673756,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112266,"usec":359859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.353542,"noise_level":-20.063456,"freq_skew":1.991039,"avlc":{"src":{"addr":"4D2336","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112267,"usec":103031},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750014,"noise_level":-19.959087,"freq_skew":2.850201,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112268,"usec":641867},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866255,"noise_level":-21.839323,"freq_skew":4.156185,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42985,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[236,105,220,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112269,"usec":386667},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973978,"noise_level":-21.700882,"freq_skew":4.181805,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42985,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[107,93,20,116]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5055378,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"EWG3BW","long_tsap":{"rdp":[65,77,76,72,0],"short_tsap":{"ars":[77,35,146],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,77,76,72,0],"short_tsap":{"ars":[77,35,146],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDS","destination_airport":"BKPR"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112269,"usec":391291},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802639,"noise_level":-22.364182,"freq_skew":4.097377,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112271,"usec":662421},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381603,"noise_level":-23.576756,"freq_skew":1.850614,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112276,"usec":259222},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735646,"noise_level":-22.101936,"freq_skew":2.302062,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LDSP"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.400001},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112276,"usec":259222},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.735646,"noise_level":-22.101936,"freq_skew":2.302062,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42986,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[17,109,215,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112276,"usec":262018},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706738,"noise_level":-22.801998,"freq_skew":2.334271,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42986,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,69,121,239]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5250691,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"CTN413","long_tsap":{"rdp":[65,67,84,78,0],"short_tsap":{"ars":[80,30,131],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,67,84,78,0],"short_tsap":{"ars":[80,30,131],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDF","destination_airport":"LDSP"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112277,"usec":8301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924138,"noise_level":-23.016138,"freq_skew":2.460406,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112277,"usec":13535},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764034,"noise_level":-23.911533,"freq_skew":2.341843,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112277,"usec":783727},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513381,"noise_level":-24.407337,"freq_skew":2.496665,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112277,"usec":783727},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.513381,"noise_level":-24.407337,"freq_skew":2.496665,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112277,"usec":783727},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.513381,"noise_level":-24.407337,"freq_skew":2.496665,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42986,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[132,13,210,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112278,"usec":518212},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.069230,"noise_level":-24.670013,"freq_skew":2.181429,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":42986,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[119,88,13,185]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112279,"usec":326919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569458,"noise_level":-24.697128,"freq_skew":2.236082,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112281,"usec":631365},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.485941,"noise_level":-24.121496,"freq_skew":3.279615,"avlc":{"src":{"addr":"46B828","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":61,"dst_ref":20860,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[149,71,111,156]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112283,"usec":894724},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368011,"noise_level":-23.627966,"freq_skew":2.424763,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112283,"usec":894724},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.368011,"noise_level":-23.627966,"freq_skew":2.424763,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42987,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[11,177,225,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":44,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112284,"usec":665051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123881,"noise_level":-24.833162,"freq_skew":2.543623,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112285,"usec":404583},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.580968,"noise_level":-25.885738,"freq_skew":5.062161,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42922,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[70,222,209,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112286,"usec":223985},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646229,"noise_level":-25.211332,"freq_skew":2.423745,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112290,"usec":16440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668745,"noise_level":-25.675814,"freq_skew":2.146736,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112293,"usec":86996},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137096,"noise_level":-24.906061,"freq_skew":3.802096,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112293,"usec":86996},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.137096,"noise_level":-24.906061,"freq_skew":3.802096,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112293,"usec":86996},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.137096,"noise_level":-24.906061,"freq_skew":3.802096,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32746,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[113,234,201,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112296,"usec":896109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512767,"noise_level":-23.133312,"freq_skew":4.549671,"avlc":{"src":{"addr":"4CAF2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112298,"usec":407303},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638938,"noise_level":-23.638889,"freq_skew":3.810947,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":34085,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,243,193,240]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmContactResponse","data":{"atn_context_mgmt_contact_response":"contactSuccess"}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112298,"usec":412973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.813331,"noise_level":-23.811731,"freq_skew":1.657689,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112299,"usec":964895},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021299,"noise_level":-23.352589,"freq_skew":2.488837,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":144,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":9,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112299,"usec":971090},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743270,"noise_level":-23.758448,"freq_skew":3.417260,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112300,"usec":709190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748206,"noise_level":-23.970663,"freq_skew":3.786577,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112302,"usec":236820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365993,"noise_level":-23.831352,"freq_skew":2.383329,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112302,"usec":242460},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823430,"noise_level":-23.764105,"freq_skew":2.165081,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":752157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967058,"noise_level":-24.157837,"freq_skew":2.406253,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":756493},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336177,"noise_level":-24.115883,"freq_skew":3.797595,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":756493},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.336177,"noise_level":-24.115883,"freq_skew":3.797595,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":757675},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282644,"noise_level":-24.101942,"freq_skew":3.832550,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32746,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[51,132,240,150]}]}],"adsc_v2":{"adsc_ack":{"contract_number":3,"request_type":"event-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"ESSPADSB"}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":759723},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496449,"noise_level":-24.088024,"freq_skew":3.862089,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112303,"usec":759723},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.496449,"noise_level":-24.088024,"freq_skew":3.862089,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":34085,"variable_part_params":[{"name":"atn_checksum","value":[139,162,231,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112304,"usec":523858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289280,"noise_level":-23.773918,"freq_skew":3.664647,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112305,"usec":290267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399700,"noise_level":-23.265970,"freq_skew":3.607961,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112306,"usec":850723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007135,"noise_level":-22.631845,"freq_skew":2.169848,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48349,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[131,177,174,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112309,"usec":113950},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.707878,"noise_level":-22.714537,"freq_skew":2.862051,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":272,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112309,"usec":886433},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594819,"noise_level":-22.297304,"freq_skew":2.154089,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42987,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[166,63,210,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112313,"usec":711820},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552167,"noise_level":-22.109673,"freq_skew":2.204122,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42987,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[166,63,210,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112313,"usec":716205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705783,"noise_level":-23.226254,"freq_skew":2.334447,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112319,"usec":22765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882411,"noise_level":-22.962090,"freq_skew":2.961047,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112319,"usec":43724},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.616348,"noise_level":-22.721142,"freq_skew":2.226771,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112319,"usec":837832},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527105,"noise_level":-23.569424,"freq_skew":0.953166,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[222,29,0,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112321,"usec":349003},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209980,"noise_level":-26.133528,"freq_skew":3.519676,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112321,"usec":354818},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834074,"noise_level":-26.138449,"freq_skew":3.713587,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48134,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[14,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112321,"usec":361143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184833,"noise_level":-26.033430,"freq_skew":5.060839,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112322,"usec":127423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885615,"noise_level":-26.359295,"freq_skew":2.233431,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112322,"usec":892243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822886,"noise_level":-25.953480,"freq_skew":3.871357,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112325,"usec":164810},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769375,"noise_level":-24.658663,"freq_skew":4.798759,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0145","msg_num":"M78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112326,"usec":698393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.582825,"noise_level":-24.238321,"freq_skew":2.399746,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":117,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112328,"usec":234580},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.869070,"noise_level":-24.190601,"freq_skew":1.860796,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46250,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[251,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112328,"usec":972540},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634881,"noise_level":-24.064869,"freq_skew":4.650845,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112328,"usec":977854},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632082,"noise_level":-25.296659,"freq_skew":0.967660,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":234,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112330,"usec":488515},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082588,"noise_level":-26.164936,"freq_skew":5.794251,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112330,"usec":491722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939535,"noise_level":-25.972784,"freq_skew":4.712535,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112330,"usec":492670},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.683345,"noise_level":-25.921106,"freq_skew":5.273057,"avlc":{"src":{"addr":"4ACB5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112332,"usec":31584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680574,"noise_level":-25.259953,"freq_skew":1.049469,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112333,"usec":575025},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783786,"noise_level":-25.441990,"freq_skew":2.331029,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112337,"usec":377103},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.610006,"noise_level":-24.473955,"freq_skew":1.844339,"avlc":{"src":{"addr":"3C4A01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112338,"usec":142674},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310802,"noise_level":-25.182129,"freq_skew":6.009000,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112338,"usec":148963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568823,"noise_level":-25.103617,"freq_skew":2.292502,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112338,"usec":898332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535428,"noise_level":-25.930128,"freq_skew":3.514381,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112341,"usec":212833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557081,"noise_level":-25.558500,"freq_skew":3.714702,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112341,"usec":223828},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338772,"noise_level":-25.577946,"freq_skew":2.220995,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112345,"usec":5043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918117,"noise_level":-23.928898,"freq_skew":2.467149,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112348,"usec":860601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.349056,"noise_level":-22.285427,"freq_skew":3.450652,"avlc":{"src":{"addr":"06A1EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112352,"usec":642856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061780,"noise_level":-21.596001,"freq_skew":5.964823,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112354,"usec":988592},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798560,"noise_level":-21.460287,"freq_skew":2.332944,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42977,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[180,158,24,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112355,"usec":725490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549232,"noise_level":-21.368290,"freq_skew":4.771777,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112355,"usec":738504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820000,"noise_level":-22.075336,"freq_skew":4.096224,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112358,"usec":8696},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.712589,"noise_level":-21.861519,"freq_skew":4.063921,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112361,"usec":90844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844527,"noise_level":-20.866112,"freq_skew":3.041129,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112364,"usec":142770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.793390,"noise_level":-20.909185,"freq_skew":3.456721,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112364,"usec":872382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.773616,"noise_level":-20.889915,"freq_skew":2.937508,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112364,"usec":883822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220854,"noise_level":-20.737295,"freq_skew":3.828506,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112366,"usec":393816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459730,"noise_level":-21.370903,"freq_skew":3.751312,"avlc":{"src":{"addr":"06A1EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112366,"usec":400832},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410743,"noise_level":-21.540928,"freq_skew":3.773245,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,73,76,0,74,49,34,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112367,"usec":198928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927288,"noise_level":-21.500673,"freq_skew":2.858337,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112367,"usec":201812},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568738,"noise_level":-22.111332,"freq_skew":5.149734,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43001,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[24,3,105,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":46,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112369,"usec":501892},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617939,"noise_level":-21.948059,"freq_skew":3.796401,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48134,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[151,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":46,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112371,"usec":22265},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177956,"noise_level":-21.390257,"freq_skew":3.867693,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48134,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[250,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112371,"usec":774036},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379010,"noise_level":-21.228668,"freq_skew":3.927796,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112372,"usec":535117},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201588,"noise_level":-21.623514,"freq_skew":5.469471,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112375,"usec":590462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521494,"noise_level":-22.246950,"freq_skew":4.013392,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112376,"usec":366557},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194102,"noise_level":-21.883400,"freq_skew":2.765111,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112376,"usec":373409},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575684,"noise_level":-21.818905,"freq_skew":4.850765,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH054D","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112376,"usec":379046},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611571,"noise_level":-22.114265,"freq_skew":4.849280,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057341","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,225,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112377,"usec":122518},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533256,"noise_level":-22.438080,"freq_skew":3.860632,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,76,73,76,0,74,49,34,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112377,"usec":870045},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201214,"noise_level":-23.571705,"freq_skew":3.973970,"avlc":{"src":{"addr":"4A3122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":181,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112378,"usec":634058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212160,"noise_level":-23.736420,"freq_skew":4.891385,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112380,"usec":221337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593229,"noise_level":-23.943369,"freq_skew":1.905455,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112382,"usec":475514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724689,"noise_level":-23.196804,"freq_skew":3.052856,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112382,"usec":480576},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.334057,"noise_level":-23.146748,"freq_skew":5.732112,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60120,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[246,23,124,149]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":46,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112383,"usec":242389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.142984,"noise_level":-23.745571,"freq_skew":5.757069,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112383,"usec":990074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723175,"noise_level":-23.612900,"freq_skew":5.148541,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112384,"usec":762891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231169,"noise_level":-23.276024,"freq_skew":5.081752,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112386,"usec":291007},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005417,"noise_level":-23.088650,"freq_skew":2.886040,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,65,69,69,0,70,184,170,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112387,"usec":88414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249988,"noise_level":-22.856277,"freq_skew":2.948871,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112387,"usec":95159},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751238,"noise_level":-22.784172,"freq_skew":1.064970,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":9.600000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112388,"usec":586384},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694291,"noise_level":-22.478439,"freq_skew":1.142101,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9A-MUC","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"SR06PD","msg_num":"S18","msg_num_seq":"A","msg_text":"0EV104626V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":46,"sec":26}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112390,"usec":882039},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764618,"noise_level":-22.368097,"freq_skew":2.044978,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112394,"usec":720357},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258024,"noise_level":-22.537888,"freq_skew":3.591163,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFL","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH8224","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112394,"usec":728218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.412128,"noise_level":-22.456829,"freq_skew":5.736703,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112400,"usec":41330},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910481,"noise_level":-21.099045,"freq_skew":3.802400,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFL","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"LH8224","msg_num":"S51","msg_num_seq":"A","msg_text":"0E21046372S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":10,"min":46,"sec":37}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112400,"usec":787720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716954,"noise_level":-20.933060,"freq_skew":2.339050,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112402,"usec":340322},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.318216,"noise_level":-20.680210,"freq_skew":5.304240,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22614360","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,83,68,73,0,75,24,240,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112402,"usec":357216},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305037,"noise_level":-21.193783,"freq_skew":3.553317,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112403,"usec":879129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.309235,"noise_level":-22.208580,"freq_skew":5.330731,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112404,"usec":630212},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.348014,"noise_level":-22.053167,"freq_skew":5.682311,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60120,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[38,168,85,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112406,"usec":157936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.065894,"noise_level":-21.406698,"freq_skew":5.562506,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112407,"usec":694801},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038191,"noise_level":-21.708893,"freq_skew":3.260875,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112408,"usec":451213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041323,"noise_level":-21.438217,"freq_skew":3.550499,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112410,"usec":746331},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.649873,"noise_level":-21.497137,"freq_skew":3.537669,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":8.100000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112411,"usec":517607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031515,"noise_level":-22.358515,"freq_skew":3.661439,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112413,"usec":17909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660475,"noise_level":-21.999979,"freq_skew":3.264693,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112414,"usec":574594},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.324449,"noise_level":-22.675854,"freq_skew":3.608680,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42959,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[98,68,191,75]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42959,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[221,206,194,18]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":46,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112415,"usec":354597},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862694,"noise_level":-22.838728,"freq_skew":3.449317,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":369,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":10,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,69,76,0,68,204,70],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112415,"usec":358846},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903785,"noise_level":-22.802673,"freq_skew":3.416794,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112416,"usec":862208},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125943,"noise_level":-23.948994,"freq_skew":4.872954,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":8.700000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112417,"usec":625383},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107348,"noise_level":-24.077850,"freq_skew":3.655497,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112418,"usec":383323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.350840,"noise_level":-24.126947,"freq_skew":2.434788,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112419,"usec":891512},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575714,"noise_level":-24.113157,"freq_skew":4.978448,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.100000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112421,"usec":468391},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688208,"noise_level":-24.215996,"freq_skew":3.492039,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,69,76,0,68,204,70,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112422,"usec":228191},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.656607,"noise_level":-23.938225,"freq_skew":5.141676,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKR","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR18LB","msg_num":"M28","msg_num_seq":"A","msg_text":"104546,M110108,1122, 81,N 46.600 E 13.350"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112424,"usec":503777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082423,"noise_level":-23.672127,"freq_skew":4.872373,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112425,"usec":259351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397279,"noise_level":-23.501482,"freq_skew":4.785255,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH054D","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112426,"usec":24216},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961639,"noise_level":-23.764971,"freq_skew":3.784854,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42959,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,3,53,98]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":47,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112427,"usec":560782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289977,"noise_level":-23.508801,"freq_skew":4.758698,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112427,"usec":563805},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.867831,"noise_level":-24.381264,"freq_skew":3.690708,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112429,"usec":877055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159765,"noise_level":-23.338816,"freq_skew":5.842614,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112432,"usec":912897},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000422,"noise_level":-23.059212,"freq_skew":3.577159,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112435,"usec":197128},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844968,"noise_level":-22.642220,"freq_skew":5.226568,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112435,"usec":964744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111943,"noise_level":-22.273388,"freq_skew":3.748994,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112439,"usec":768801},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144055,"noise_level":-21.465302,"freq_skew":3.468749,"avlc":{"src":{"addr":"4B194B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42959,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[213,227,186,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112440,"usec":576679},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851420,"noise_level":-21.122559,"freq_skew":1.954515,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42987,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[196,120,50,248]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42987,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,199,169,107]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112442,"usec":847552},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122197,"noise_level":-21.410164,"freq_skew":5.189149,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":60120,"variable_part_params":[{"name":"atn_checksum","value":[111,229,250,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112442,"usec":848130},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684285,"noise_level":-21.410164,"freq_skew":3.438326,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112442,"usec":854428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957345,"noise_level":-22.270599,"freq_skew":3.392147,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112449,"usec":716466},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136283,"noise_level":-21.386957,"freq_skew":2.304701,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112449,"usec":717638},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.098100,"noise_level":-21.376772,"freq_skew":3.009571,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NEJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"A30633","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112450,"usec":468907},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.465957,"noise_level":-21.086517,"freq_skew":2.485493,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112453,"usec":503918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956351,"noise_level":-21.458538,"freq_skew":2.819581,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112454,"usec":288408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.568537,"noise_level":-20.978868,"freq_skew":3.816709,"avlc":{"src":{"addr":"06A1EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112459,"usec":644289},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789433,"noise_level":-20.097916,"freq_skew":2.417237,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112460,"usec":394584},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796334,"noise_level":-20.457792,"freq_skew":2.412236,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112464,"usec":219688},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.979494,"noise_level":-21.372425,"freq_skew":4.829175,"avlc":{"src":{"addr":"48C130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112468,"usec":63400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202652,"noise_level":-20.217400,"freq_skew":3.678837,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112469,"usec":590664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127416,"noise_level":-20.072231,"freq_skew":3.852535,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112471,"usec":113299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647418,"noise_level":-20.688715,"freq_skew":3.511247,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112471,"usec":873400},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918914,"noise_level":-21.675318,"freq_skew":1.962289,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112473,"usec":381057},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598277,"noise_level":-21.283979,"freq_skew":2.079962,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112473,"usec":398301},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549275,"noise_level":-21.104588,"freq_skew":2.225885,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43011,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[199,193,56,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112474,"usec":140031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735987,"noise_level":-21.026035,"freq_skew":5.415504,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112476,"usec":463146},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740807,"noise_level":-20.340248,"freq_skew":2.187573,"avlc":{"src":{"addr":"3C7A4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANRL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"DE0033","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112477,"usec":225225},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957304,"noise_level":-21.500370,"freq_skew":4.880345,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46215,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[119,184,50,177]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46215,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[207,198,253,27]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":47,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112478,"usec":748313},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406705,"noise_level":-22.633442,"freq_skew":2.218273,"avlc":{"src":{"addr":"3C7A4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":253,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112479,"usec":510260},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967557,"noise_level":-22.809494,"freq_skew":2.006514,"avlc":{"src":{"addr":"3C7A4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112482,"usec":601903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779779,"noise_level":-21.622141,"freq_skew":5.948174,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112483,"usec":344700},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.158278,"noise_level":-21.507732,"freq_skew":4.836798,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1075,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,97,146,224]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1075,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[216,131,207,181]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":48,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112484,"usec":100763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263295,"noise_level":-22.307756,"freq_skew":4.742129,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112485,"usec":620000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357823,"noise_level":-21.769634,"freq_skew":2.510767,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112485,"usec":628821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140364,"noise_level":-22.151234,"freq_skew":4.613179,"avlc":{"src":{"addr":"4690EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112492,"usec":505165},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985331,"noise_level":-19.897839,"freq_skew":3.521214,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112493,"usec":266282},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698850,"noise_level":-19.711002,"freq_skew":5.711806,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDV","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"LH016F","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112494,"usec":22972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277419,"noise_level":-19.792608,"freq_skew":4.004864,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112495,"usec":578363},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793581,"noise_level":-20.896042,"freq_skew":3.422887,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43012,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[240,198,12,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112495,"usec":586058},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854950,"noise_level":-21.516924,"freq_skew":4.930500,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":37,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112496,"usec":322999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.295830,"noise_level":-21.516924,"freq_skew":2.128349,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112496,"usec":341596},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436163,"noise_level":-22.372854,"freq_skew":3.562743,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43012,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[100,102,7,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112497,"usec":108472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356618,"noise_level":-22.952240,"freq_skew":3.620460,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112497,"usec":866497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.243407,"noise_level":-23.677311,"freq_skew":3.629747,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112498,"usec":625230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757423,"noise_level":-23.326359,"freq_skew":4.740577,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112499,"usec":369737},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.781100,"noise_level":-23.225040,"freq_skew":5.714834,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":123,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[173,226,221,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112499,"usec":374793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043404,"noise_level":-23.174820,"freq_skew":2.002295,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112499,"usec":390949},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.121605,"noise_level":-24.032063,"freq_skew":3.559589,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42819,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[9,165,234,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":48,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112500,"usec":134812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.350590,"noise_level":-24.389193,"freq_skew":3.629212,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112501,"usec":663461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765625,"noise_level":-24.034689,"freq_skew":2.074901,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112508,"usec":519023},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689456,"noise_level":-22.147850,"freq_skew":3.328544,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112510,"usec":77355},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364100,"noise_level":-22.372282,"freq_skew":3.232636,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112512,"usec":362369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465910,"noise_level":-22.854746,"freq_skew":4.598613,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32740,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":27,"acked_subseq":0,"acked_credit":6}},{"name":"atn_checksum","value":[139,136,223,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112514,"usec":647521},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.375718,"noise_level":-23.467201,"freq_skew":3.668307,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"MMSM"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":6.600000},"alt":29000}},{"name":"alternate_ground_stations","value":["109CEA","10931A","10980A","109F2A","109C7A","10900A","10943A","10981A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112517,"usec":731568},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076791,"noise_level":-24.008512,"freq_skew":2.986898,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112519,"usec":994820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090020,"noise_level":-23.106228,"freq_skew":5.313591,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112522,"usec":323985},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727733,"noise_level":-23.368198,"freq_skew":3.325508,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112523,"usec":89907},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910184,"noise_level":-23.016977,"freq_skew":4.008937,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNK","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH04AX","msg_num":"M77","msg_num_seq":"A","msg_text":"00064209256MJDD+5IJJ84U4T+J53(4+4PRR+J3DD4QSR,,:++U7D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112525,"usec":346854},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548447,"noise_level":-22.185270,"freq_skew":4.909305,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43001,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[174,121,107,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":48,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112526,"usec":865394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998858,"noise_level":-21.749554,"freq_skew":4.890900,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112530,"usec":710932},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661041,"noise_level":-23.214130,"freq_skew":4.922431,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[192,30,8,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112530,"usec":726307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.100700,"noise_level":-23.027515,"freq_skew":2.473080,"avlc":{"src":{"addr":"4D20CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112532,"usec":996701},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624064,"noise_level":-22.239693,"freq_skew":2.005957,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112533,"usec":5880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.121066,"noise_level":-23.232996,"freq_skew":2.061224,"avlc":{"src":{"addr":"4D2336","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112537,"usec":583122},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.951064,"noise_level":-21.927137,"freq_skew":3.285975,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":210,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48214,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[9,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":48,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112539,"usec":107089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492706,"noise_level":-21.442123,"freq_skew":2.121650,"avlc":{"src":{"addr":"3C7A4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112539,"usec":109237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.172492,"noise_level":-22.172459,"freq_skew":3.133801,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112539,"usec":116295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.561349,"noise_level":-22.094727,"freq_skew":2.995373,"avlc":{"src":{"addr":"46B8AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20858,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[14,109,111,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112539,"usec":128133},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496203,"noise_level":-22.006737,"freq_skew":3.449386,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112541,"usec":381044},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649487,"noise_level":-21.414549,"freq_skew":3.503302,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LTBJ"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":11.000000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112543,"usec":724354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981866,"noise_level":-20.916695,"freq_skew":0.925305,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112545,"usec":214065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947256,"noise_level":-21.733707,"freq_skew":2.301544,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112548,"usec":249567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.580499,"noise_level":-20.958149,"freq_skew":5.601443,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112548,"usec":256884},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051417,"noise_level":-20.852108,"freq_skew":5.412882,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42860,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[21,160]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":49,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112550,"usec":580231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.144855,"noise_level":-20.349970,"freq_skew":5.490807,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112552,"usec":104703},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.780325,"noise_level":-20.221750,"freq_skew":3.469976,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112552,"usec":849186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981520,"noise_level":-20.124283,"freq_skew":3.918379,"avlc":{"src":{"addr":"493287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112553,"usec":604247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520652,"noise_level":-19.863890,"freq_skew":4.563315,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112554,"usec":386083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428938,"noise_level":-20.089485,"freq_skew":4.618853,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112555,"usec":923710},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665204,"noise_level":-19.813099,"freq_skew":3.367341,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":29,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112558,"usec":212400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265733,"noise_level":-20.343397,"freq_skew":3.158131,"avlc":{"src":{"addr":"4D0231","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112558,"usec":233459},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.841440,"noise_level":-20.912333,"freq_skew":3.388577,"avlc":{"src":{"addr":"8966F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":13,"dst_ref":48214,"variable_part_params":[{"name":"checksum","value":[245,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112558,"usec":983082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828008,"noise_level":-20.875523,"freq_skew":5.166925,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112559,"usec":741077},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580924,"noise_level":-20.762928,"freq_skew":1.889263,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LDSP"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":10.000000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112560,"usec":499140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947037,"noise_level":-22.054173,"freq_skew":0.856545,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112561,"usec":284072},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-13.191829,"noise_level":-21.912291,"freq_skew":1.804048,"avlc":{"src":{"addr":"4D20CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112562,"usec":811165},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961193,"noise_level":-21.326298,"freq_skew":3.625411,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,86,105,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112562,"usec":818895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726536,"noise_level":-21.392181,"freq_skew":3.228446,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112563,"usec":594492},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556732,"noise_level":-21.765059,"freq_skew":3.662915,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":377,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112568,"usec":888688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.181458,"noise_level":-23.213593,"freq_skew":3.340243,"avlc":{"src":{"addr":"3C7A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112571,"usec":972728},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553906,"noise_level":-22.905161,"freq_skew":5.320085,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5291,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112575,"usec":5072},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.069815,"noise_level":-22.982882,"freq_skew":4.154624,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08XM","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112578,"usec":81106},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576778,"noise_level":-23.135036,"freq_skew":4.560915,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112578,"usec":86804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974207,"noise_level":-23.945633,"freq_skew":5.062744,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112586,"usec":485446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461082,"noise_level":-22.003939,"freq_skew":5.331536,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112587,"usec":253788},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825836,"noise_level":-21.587425,"freq_skew":3.879148,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":332,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112588,"usec":749586},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375672,"noise_level":-22.104063,"freq_skew":4.896555,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH054D","msg_num":"M71","msg_num_seq":"A","msg_text":"000572342139 K+XA7Q7*EE+2VVDSR7PRM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112588,"usec":769716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974341,"noise_level":-22.981358,"freq_skew":3.442430,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112589,"usec":536099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765575,"noise_level":-22.742859,"freq_skew":2.216338,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112593,"usec":361240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349192,"noise_level":-22.322996,"freq_skew":4.579270,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112597,"usec":206476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181709,"noise_level":-24.071886,"freq_skew":3.986085,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112597,"usec":940901},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998642,"noise_level":-23.906895,"freq_skew":4.685327,"avlc":{"src":{"addr":"4D2228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221050","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,40,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112599,"usec":477431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939228,"noise_level":-23.438826,"freq_skew":4.597197,"avlc":{"src":{"addr":"4D2228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112600,"usec":217387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554668,"noise_level":-24.159561,"freq_skew":1.925429,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112601,"usec":749884},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681005,"noise_level":-23.498318,"freq_skew":2.170947,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112604,"usec":72991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684371,"noise_level":-23.876991,"freq_skew":5.123452,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112604,"usec":833802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252261,"noise_level":-23.609692,"freq_skew":2.474513,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112606,"usec":366102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586744,"noise_level":-23.161957,"freq_skew":5.235377,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112607,"usec":867825},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.732879,"noise_level":-22.973776,"freq_skew":3.441530,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42819,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,198,252,141]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":50,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112609,"usec":383687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837705,"noise_level":-23.038948,"freq_skew":0.944039,"avlc":{"src":{"addr":"4BAB54","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112611,"usec":706985},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146155,"noise_level":-22.351036,"freq_skew":3.386426,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42819,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,198,252,141]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":50,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112612,"usec":485422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897009,"noise_level":-21.853207,"freq_skew":3.387093,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112614,"usec":483},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871171,"noise_level":-22.821804,"freq_skew":4.985023,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":1,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":1024,"src_rdi":[71,0,39,65,71,65,70,0,63,84,179],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112614,"usec":753153},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164513,"noise_level":-23.742924,"freq_skew":5.014044,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112618,"usec":587212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637129,"noise_level":-23.348658,"freq_skew":5.190628,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112618,"usec":589076},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.470679,"noise_level":-23.335896,"freq_skew":5.429850,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJU","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"WK0195","msg_num":"M76","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112619,"usec":359055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789304,"noise_level":-24.737816,"freq_skew":5.160135,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112620,"usec":99280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749067,"noise_level":-24.618740,"freq_skew":3.237664,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112620,"usec":109205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747162,"noise_level":-25.099821,"freq_skew":0.609679,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112622,"usec":372654},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.214563,"noise_level":-25.131664,"freq_skew":5.256791,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112623,"usec":933498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533000,"noise_level":-24.352236,"freq_skew":5.038191,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112626,"usec":212656},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766471,"noise_level":-24.273436,"freq_skew":4.877249,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[187,33,75,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112628,"usec":491092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554668,"noise_level":-23.947929,"freq_skew":3.115970,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112631,"usec":576701},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720299,"noise_level":-23.919643,"freq_skew":4.661009,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":100,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112632,"usec":325419},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.300817,"noise_level":-23.730757,"freq_skew":6.140570,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32740,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[164,37,180,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112633,"usec":92265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486212,"noise_level":-23.926792,"freq_skew":4.620605,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112638,"usec":452107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899206,"noise_level":-23.105133,"freq_skew":5.607528,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112646,"usec":82015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474781,"noise_level":-21.743223,"freq_skew":4.611269,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112650,"usec":698401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.225692,"noise_level":-21.081831,"freq_skew":3.839586,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112652,"usec":203082},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782142,"noise_level":-20.678156,"freq_skew":2.271914,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112652,"usec":222922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957232,"noise_level":-20.529179,"freq_skew":2.370444,"avlc":{"src":{"addr":"44C9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42977,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[180,158,24,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112655,"usec":245604},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.207690,"noise_level":-20.371370,"freq_skew":5.820801,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":11.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112658,"usec":335087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860499,"noise_level":-20.718449,"freq_skew":4.682978,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112659,"usec":95082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046121,"noise_level":-21.601162,"freq_skew":3.349612,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112659,"usec":847280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978553,"noise_level":-22.418184,"freq_skew":5.201494,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":338,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112660,"usec":599655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985015,"noise_level":-22.102701,"freq_skew":4.985779,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112661,"usec":355362},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036722,"noise_level":-22.047550,"freq_skew":2.179451,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112664,"usec":438195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125489,"noise_level":-23.076126,"freq_skew":5.235354,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112665,"usec":195653},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728094,"noise_level":-22.796013,"freq_skew":5.066688,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112665,"usec":198825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947719,"noise_level":-22.760134,"freq_skew":3.457189,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112672,"usec":829531},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.276406,"noise_level":-20.383827,"freq_skew":3.310087,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112674,"usec":353705},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517738,"noise_level":-20.697289,"freq_skew":3.241574,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANMX","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"DE05XP","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112675,"usec":103872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.656037,"noise_level":-21.369667,"freq_skew":5.014053,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112679,"usec":705344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743309,"noise_level":-20.911066,"freq_skew":3.270424,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112680,"usec":482093},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.750637,"noise_level":-20.966393,"freq_skew":5.773139,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112683,"usec":491197},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444595,"noise_level":-21.398230,"freq_skew":2.989323,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"KSFO"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":7.600000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112683,"usec":493732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594488,"noise_level":-22.296450,"freq_skew":3.074391,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112687,"usec":356201},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.672000,"noise_level":-21.596001,"freq_skew":3.311297,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112688,"usec":103427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681701,"noise_level":-22.159359,"freq_skew":2.987214,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112691,"usec":949613},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.782839,"noise_level":-22.413704,"freq_skew":1.858975,"avlc":{"src":{"addr":"78141E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48278,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[22,173]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112692,"usec":715596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441561,"noise_level":-22.098379,"freq_skew":4.349701,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112697,"usec":262130},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.399929,"noise_level":-21.592491,"freq_skew":3.889507,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":60123,"variable_part_params":[{"name":"checksum","value":[197,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112698,"usec":826603},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.798534,"noise_level":-21.366364,"freq_skew":3.201523,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46257,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[99,87,228,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112699,"usec":562656},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.509253,"noise_level":-21.285416,"freq_skew":2.937664,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112701,"usec":851224},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253983,"noise_level":-22.453445,"freq_skew":3.083688,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112702,"usec":602651},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.010070,"noise_level":-24.177467,"freq_skew":3.108143,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112703,"usec":360895},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.296654,"noise_level":-25.997522,"freq_skew":2.994567,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46257,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[104,101,75,4]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112704,"usec":160676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776260,"noise_level":-25.624477,"freq_skew":3.073896,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112704,"usec":179690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.607338,"noise_level":-26.375729,"freq_skew":2.953818,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112704,"usec":919887},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676126,"noise_level":-26.143597,"freq_skew":5.216099,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112707,"usec":199552},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.249399,"noise_level":-25.036694,"freq_skew":2.887998,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEGE"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112707,"usec":218579},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899818,"noise_level":-25.071083,"freq_skew":5.045712,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWH","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"LH07SU","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112707,"usec":987628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375531,"noise_level":-24.586514,"freq_skew":2.902674,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112708,"usec":723034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.389315,"noise_level":-24.454960,"freq_skew":2.803661,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112710,"usec":240218},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.730308,"noise_level":-23.520607,"freq_skew":3.059222,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112711,"usec":799160},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621362,"noise_level":-23.113432,"freq_skew":3.062170,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":58,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112717,"usec":929302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405839,"noise_level":-22.762632,"freq_skew":1.864962,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112717,"usec":938767},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642999,"noise_level":-22.655846,"freq_skew":4.497159,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[107,183,108,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112718,"usec":681000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328888,"noise_level":-23.546076,"freq_skew":5.452566,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112719,"usec":453466},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612098,"noise_level":-23.150206,"freq_skew":2.083969,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43011,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,142,106,60]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43011,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[109,63,75,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":51,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112720,"usec":949914},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256652,"noise_level":-22.723921,"freq_skew":1.539881,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112721,"usec":713423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815881,"noise_level":-22.899910,"freq_skew":3.456648,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112723,"usec":231166},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166359,"noise_level":-22.302372,"freq_skew":2.821355,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112723,"usec":244123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.902942,"noise_level":-22.156414,"freq_skew":2.999343,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112726,"usec":329062},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090541,"noise_level":-21.376860,"freq_skew":5.544747,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112727,"usec":829021},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746765,"noise_level":-21.027739,"freq_skew":5.828967,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112729,"usec":366433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861268,"noise_level":-21.265028,"freq_skew":3.212193,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112730,"usec":114793},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682407,"noise_level":-21.364878,"freq_skew":3.067849,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48206,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[218,22,34,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112733,"usec":939608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388013,"noise_level":-21.151653,"freq_skew":2.999587,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112734,"usec":715032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523000,"noise_level":-22.452721,"freq_skew":3.093019,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112734,"usec":720306},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797281,"noise_level":-22.406765,"freq_skew":4.568669,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"6","ack":"V","flight":"LH03WR","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112736,"usec":250147},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.508134,"noise_level":-22.816484,"freq_skew":4.829950,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2857,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[254,250]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112736,"usec":988405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834027,"noise_level":-23.585272,"freq_skew":5.768787,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112737,"usec":761700},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703162,"noise_level":-23.112751,"freq_skew":5.579316,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":362,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112738,"usec":551798},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745487,"noise_level":-23.150179,"freq_skew":4.675690,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"7","ack":"W","flight":"LH03WR","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112739,"usec":306776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.853023,"noise_level":-22.879795,"freq_skew":3.470086,"avlc":{"src":{"addr":"3C70CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112739,"usec":307535},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652563,"noise_level":-23.080006,"freq_skew":5.726010,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221156","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,110,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112739,"usec":322670},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968290,"noise_level":-22.968473,"freq_skew":5.806421,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"1","ack":"T","flight":"5Y9080","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112740,"usec":829976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733669,"noise_level":-23.703056,"freq_skew":5.605792,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112741,"usec":583101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512382,"noise_level":-23.453894,"freq_skew":8.201508,"avlc":{"src":{"addr":"4D02E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112743,"usec":122608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083501,"noise_level":-22.604782,"freq_skew":5.823384,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"1","ack":"T","flight":"5Y9080","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112744,"usec":617481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105434,"noise_level":-23.818111,"freq_skew":5.673735,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112745,"usec":432109},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462516,"noise_level":-23.995001,"freq_skew":1.021213,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":267,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112745,"usec":437581},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529425,"noise_level":-23.940142,"freq_skew":2.111123,"avlc":{"src":{"addr":"3C7A4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112746,"usec":198232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.645656,"noise_level":-25.433609,"freq_skew":5.095448,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112749,"usec":972292},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840429,"noise_level":-24.933146,"freq_skew":2.731827,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"3","ack":"I","flight":"LH043V","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112750,"usec":731196},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132281,"noise_level":-25.102518,"freq_skew":5.673332,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[33,232]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112752,"usec":302525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822140,"noise_level":-25.765593,"freq_skew":1.112270,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAS","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"DE05RM","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112753,"usec":63153},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982900,"noise_level":-25.483446,"freq_skew":1.086865,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAS","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"DE05RM","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112754,"usec":579506},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550437,"noise_level":-26.746128,"freq_skew":5.614803,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112756,"usec":106031},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708631,"noise_level":-25.631077,"freq_skew":2.832112,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"3","ack":"I","flight":"LH043V","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112759,"usec":166337},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793039,"noise_level":-26.116783,"freq_skew":5.729136,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112761,"usec":457795},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826011,"noise_level":-25.667459,"freq_skew":4.149266,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112762,"usec":212551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372616,"noise_level":-26.131813,"freq_skew":3.994273,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112762,"usec":219097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359878,"noise_level":-26.026875,"freq_skew":2.980125,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112763,"usec":745864},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.009305,"noise_level":-25.507757,"freq_skew":2.952096,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112764,"usec":531225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560232,"noise_level":-25.281467,"freq_skew":4.130894,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112764,"usec":548198},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201561,"noise_level":-25.837017,"freq_skew":4.693241,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"LH054D","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112767,"usec":576589},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301044,"noise_level":-25.345430,"freq_skew":4.605124,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"LH054D","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112772,"usec":126837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.172154,"noise_level":-24.135532,"freq_skew":4.384948,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112776,"usec":728776},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716766,"noise_level":-22.178276,"freq_skew":4.033443,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":12,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112778,"usec":257720},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826035,"noise_level":-22.177269,"freq_skew":3.436428,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32746,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[198,183,251,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112779,"usec":819928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152860,"noise_level":-21.769445,"freq_skew":1.416411,"avlc":{"src":{"addr":"4B19FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112779,"usec":825301},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706130,"noise_level":-22.063915,"freq_skew":4.657956,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43047,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[202,82,132,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112780,"usec":565686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142998,"noise_level":-22.030930,"freq_skew":2.118761,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112781,"usec":326634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756427,"noise_level":-23.637829,"freq_skew":1.809535,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112782,"usec":80806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.157761,"noise_level":-23.339319,"freq_skew":2.958804,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112782,"usec":96264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405012,"noise_level":-24.265707,"freq_skew":4.559371,"avlc":{"src":{"addr":"4CAD54","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGV","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR89DV","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112782,"usec":836173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764801,"noise_level":-24.735806,"freq_skew":4.754570,"avlc":{"src":{"addr":"4D247E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112782,"usec":857517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442264,"noise_level":-24.499319,"freq_skew":3.218355,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112782,"usec":860713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002565,"noise_level":-24.835203,"freq_skew":5.037318,"avlc":{"src":{"addr":"4CAD54","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112784,"usec":353476},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.614212,"noise_level":-26.237122,"freq_skew":3.771308,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112784,"usec":363253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434126,"noise_level":-26.078285,"freq_skew":4.323278,"avlc":{"src":{"addr":"4CAD54","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112788,"usec":194703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676490,"noise_level":-25.266455,"freq_skew":5.646439,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112794,"usec":314305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.111791,"noise_level":-23.322546,"freq_skew":5.378756,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112796,"usec":608964},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823055,"noise_level":-22.156546,"freq_skew":8.450870,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112798,"usec":107896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.770293,"noise_level":-22.039707,"freq_skew":3.922161,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60084,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[71,230,171,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112798,"usec":916769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845213,"noise_level":-21.726841,"freq_skew":4.629074,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112798,"usec":929169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.113820,"noise_level":-22.755194,"freq_skew":3.164693,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48206,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[173,57,108,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112801,"usec":206184},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488188,"noise_level":-21.957943,"freq_skew":5.607065,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112801,"usec":949042},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.057242,"noise_level":-21.785549,"freq_skew":5.570465,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221156","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,110,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112805,"usec":801928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491973,"noise_level":-20.515099,"freq_skew":1.169125,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112808,"usec":68573},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549852,"noise_level":-21.676689,"freq_skew":3.210845,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43048,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,117,7,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112808,"usec":71123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038375,"noise_level":-21.655643,"freq_skew":3.064387,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112811,"usec":916700},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724549,"noise_level":-20.611958,"freq_skew":5.015000,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSH","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EI045N","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112812,"usec":681692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500854,"noise_level":-20.400200,"freq_skew":4.831675,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112814,"usec":198672},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991459,"noise_level":-20.017639,"freq_skew":5.595035,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCZ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR63UE","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112814,"usec":962540},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999176,"noise_level":-20.398510,"freq_skew":2.979296,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112815,"usec":703142},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814569,"noise_level":-20.480433,"freq_skew":8.549353,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112815,"usec":703142},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.814569,"noise_level":-20.480433,"freq_skew":8.549353,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..98+01","mode":"2","label":"44","blk_id":"6","ack":"!","flight":"GS0016","msg_num":"M26","msg_num_seq":"A","msg_text":"09|\\L46c+B4N4sG484BZ6c4hBcGH%OcGHLrc4s8Bc84Bhc88hsc4485h"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112815,"usec":721518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470343,"noise_level":-20.687378,"freq_skew":3.184914,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112816,"usec":464944},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492734,"noise_level":-21.615076,"freq_skew":3.254348,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112818,"usec":789936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908122,"noise_level":-23.220802,"freq_skew":4.315090,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112819,"usec":568282},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.435634,"noise_level":-22.968943,"freq_skew":5.436263,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112821,"usec":59315},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.895007,"noise_level":-22.680376,"freq_skew":4.996677,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":145,"credit":4,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[7,148,53,5]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":145,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,118,193,197]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112821,"usec":62469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.989489,"noise_level":-22.644970,"freq_skew":3.778362,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112821,"usec":825221},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559404,"noise_level":-22.355404,"freq_skew":5.320193,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":3,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[172,149]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112822,"usec":573900},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.241552,"noise_level":-22.042150,"freq_skew":4.990671,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,73,78,0,76,174,216,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112824,"usec":857825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846988,"noise_level":-22.515200,"freq_skew":3.286885,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112826,"usec":416377},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.587706,"noise_level":-21.942719,"freq_skew":5.052441,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":145,"variable_part_params":[{"name":"atn_checksum","value":[177,54,181,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112826,"usec":431004},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.580377,"noise_level":-22.459145,"freq_skew":5.629712,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112827,"usec":174410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.161518,"noise_level":-22.321890,"freq_skew":3.355322,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112827,"usec":930392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311112,"noise_level":-22.227097,"freq_skew":4.938669,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112830,"usec":225103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568621,"noise_level":-22.582676,"freq_skew":4.313087,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[22,81,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112830,"usec":232696},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849100,"noise_level":-22.512794,"freq_skew":2.169372,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112831,"usec":735002},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401494,"noise_level":-23.650375,"freq_skew":3.105458,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112831,"usec":735002},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.401494,"noise_level":-23.650375,"freq_skew":3.105458,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112832,"usec":505767},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.762433,"noise_level":-23.262466,"freq_skew":3.053760,"avlc":{"src":{"addr":"3C79B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112834,"usec":51804},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726735,"noise_level":-24.028730,"freq_skew":4.301861,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[22,81,208,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112836,"usec":343662},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357740,"noise_level":-23.099934,"freq_skew":4.980076,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2858,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[254,250]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112837,"usec":86857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982161,"noise_level":-22.964470,"freq_skew":2.247546,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112837,"usec":103296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.730037,"noise_level":-22.771130,"freq_skew":4.184354,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112837,"usec":861256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624679,"noise_level":-22.465855,"freq_skew":2.765159,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112844,"usec":731528},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434073,"noise_level":-22.255264,"freq_skew":3.866535,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LOWG"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.700000},"alt":6000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112845,"usec":481298},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.376155,"noise_level":-22.360367,"freq_skew":3.007231,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112846,"usec":302440},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602205,"noise_level":-22.594505,"freq_skew":3.813858,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EN055P","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112848,"usec":569436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726563,"noise_level":-22.481411,"freq_skew":3.996475,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112849,"usec":319469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800192,"noise_level":-22.378004,"freq_skew":3.134490,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112849,"usec":333138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249139,"noise_level":-22.963934,"freq_skew":3.878953,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112850,"usec":81938},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269174,"noise_level":-23.767986,"freq_skew":5.186960,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112850,"usec":841271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.826221,"noise_level":-23.387728,"freq_skew":4.853756,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112850,"usec":849467},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566467,"noise_level":-23.197388,"freq_skew":1.765689,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43011,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[144,46,101,44]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43011,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,22,12,126]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":54,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112851,"usec":601109},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.673598,"noise_level":-23.352325,"freq_skew":5.234090,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":46.400002,"lon":9.900001},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112852,"usec":407053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514231,"noise_level":-24.859737,"freq_skew":5.217268,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112853,"usec":161631},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704235,"noise_level":-24.575657,"freq_skew":3.773899,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112854,"usec":674460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506120,"noise_level":-24.275837,"freq_skew":3.161819,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112854,"usec":677355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414530,"noise_level":-24.559839,"freq_skew":4.000523,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112856,"usec":191864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.332990,"noise_level":-25.924532,"freq_skew":5.075339,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112856,"usec":196023},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634348,"noise_level":-26.376648,"freq_skew":2.088301,"avlc":{"src":{"addr":"501E83","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43011,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[229,250,151,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112857,"usec":738160},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.452656,"noise_level":-25.757730,"freq_skew":1.054768,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54585,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,152,104,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112858,"usec":464739},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848051,"noise_level":-25.508528,"freq_skew":5.098120,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48306,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[220,229,72,144]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":54,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112858,"usec":465746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.965992,"noise_level":-25.858271,"freq_skew":4.831863,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112859,"usec":289949},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.288687,"noise_level":-25.377369,"freq_skew":5.396406,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJU","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"WK0195","msg_num":"S63","msg_num_seq":"A","msg_text":"0EV105418V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":10,"min":54,"sec":18}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112860,"usec":42625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064883,"noise_level":-25.170145,"freq_skew":5.202911,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112860,"usec":47559},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.659150,"noise_level":-25.091742,"freq_skew":4.521057,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057354","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,236,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112860,"usec":792181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.416250,"noise_level":-24.967749,"freq_skew":4.117143,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112860,"usec":802156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.396638,"noise_level":-24.815207,"freq_skew":3.937803,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112860,"usec":807494},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373877,"noise_level":-24.709999,"freq_skew":3.141850,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112861,"usec":557193},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.511371,"noise_level":-25.399673,"freq_skew":5.434055,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112861,"usec":569996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813187,"noise_level":-25.255318,"freq_skew":4.788320,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112862,"usec":336559},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.344045,"noise_level":-25.625612,"freq_skew":5.539673,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112863,"usec":835155},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.638534,"noise_level":-25.016674,"freq_skew":1.122063,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAS","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"DE05RM","msg_num":"S89","msg_num_seq":"A","msg_text":"0LS105422V","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":10,"min":54,"sec":22}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112863,"usec":853546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.562861,"noise_level":-25.434263,"freq_skew":2.776650,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112865,"usec":344654},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545346,"noise_level":-24.991095,"freq_skew":1.218761,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112865,"usec":368312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981791,"noise_level":-24.643257,"freq_skew":3.356368,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112866,"usec":111800},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.833266,"noise_level":-24.525461,"freq_skew":0.869775,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":10.600000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112866,"usec":911938},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402985,"noise_level":-24.251940,"freq_skew":5.675579,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5638,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112869,"usec":190476},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393745,"noise_level":-23.422060,"freq_skew":3.942994,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112870,"usec":717862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.911939,"noise_level":-24.540287,"freq_skew":6.135238,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112871,"usec":476336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.865854,"noise_level":-24.209709,"freq_skew":4.222530,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112872,"usec":236635},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790049,"noise_level":-23.873840,"freq_skew":3.734179,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32740,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[164,37,180,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112872,"usec":244036},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786318,"noise_level":-24.411791,"freq_skew":5.038410,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112872,"usec":246381},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645355,"noise_level":-24.382969,"freq_skew":5.599376,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5638,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112873,"usec":789354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176489,"noise_level":-23.989197,"freq_skew":4.943283,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112874,"usec":560049},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117887,"noise_level":-23.903713,"freq_skew":5.301710,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48412,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[188,56]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112875,"usec":308335},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801116,"noise_level":-24.332941,"freq_skew":5.291629,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":4,"dst_ref":48412,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[254,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112875,"usec":317560},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435723,"noise_level":-24.219254,"freq_skew":3.879702,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32740,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[164,37,180,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112876,"usec":65257},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682663,"noise_level":-24.952166,"freq_skew":5.170536,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":48306,"variable_part_params":[{"name":"atn_checksum","value":[231,207,161,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112876,"usec":67556},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.554681,"noise_level":-24.954908,"freq_skew":4.046361,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LTFJ"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112876,"usec":833856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641986,"noise_level":-24.447565,"freq_skew":3.879745,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112879,"usec":108351},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969422,"noise_level":-23.470402,"freq_skew":5.041451,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":48306,"variable_part_params":[{"name":"atn_checksum","value":[231,207,161,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112879,"usec":110137},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.341426,"noise_level":-23.834524,"freq_skew":6.173719,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":8.800000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112880,"usec":663711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794080,"noise_level":-24.181099,"freq_skew":5.556334,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112880,"usec":664723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774261,"noise_level":-24.181099,"freq_skew":6.316571,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112880,"usec":669945},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770030,"noise_level":-24.955959,"freq_skew":5.159305,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1145,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112881,"usec":424937},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888227,"noise_level":-24.788534,"freq_skew":4.367682,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[222,189,253,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112881,"usec":434431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605091,"noise_level":-25.751886,"freq_skew":6.384387,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112881,"usec":439841},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.904276,"noise_level":-25.668077,"freq_skew":0.703935,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":88,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112882,"usec":188389},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471452,"noise_level":-25.276682,"freq_skew":4.173601,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112885,"usec":207850},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.565681,"noise_level":-25.293129,"freq_skew":4.116672,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[222,189,253,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112885,"usec":211862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848099,"noise_level":-25.310493,"freq_skew":3.467883,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112885,"usec":212124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242695,"noise_level":-25.310493,"freq_skew":4.118902,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112886,"usec":784191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732465,"noise_level":-24.843048,"freq_skew":3.437586,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112886,"usec":791478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808153,"noise_level":-24.767530,"freq_skew":5.370734,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112888,"usec":322233},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772029,"noise_level":-23.909088,"freq_skew":4.238302,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[222,189,253,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112889,"usec":58886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.103473,"noise_level":-24.374788,"freq_skew":4.054457,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112894,"usec":437573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566284,"noise_level":-23.903522,"freq_skew":4.989726,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112895,"usec":177445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083085,"noise_level":-24.144836,"freq_skew":4.128464,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112895,"usec":937564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.875597,"noise_level":-23.761480,"freq_skew":4.586497,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112895,"usec":942768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.634878,"noise_level":-23.766100,"freq_skew":2.033005,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112901,"usec":313792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297995,"noise_level":-22.303780,"freq_skew":3.737575,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112901,"usec":314692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.680120,"noise_level":-22.292461,"freq_skew":5.401764,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112902,"usec":62523},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106365,"noise_level":-22.113369,"freq_skew":4.773218,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60006,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,74,135,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112902,"usec":63011},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062772,"noise_level":-22.113369,"freq_skew":4.959414,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112903,"usec":571115},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.237394,"noise_level":-22.104815,"freq_skew":5.358004,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112904,"usec":329459},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.495409,"noise_level":-21.875446,"freq_skew":5.145828,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112905,"usec":870327},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.592947,"noise_level":-22.370787,"freq_skew":2.565140,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112906,"usec":633040},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.998050,"noise_level":-22.068005,"freq_skew":3.988060,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":42827,"variable_part_params":[{"name":"atn_checksum","value":[45,122,216,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112907,"usec":412888},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625391,"noise_level":-22.013073,"freq_skew":3.767951,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46276,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[35,213,118,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112908,"usec":924283},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.475021,"noise_level":-21.835451,"freq_skew":3.866218,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35275,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[105,122,89,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112910,"usec":450391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135394,"noise_level":-22.614902,"freq_skew":4.935145,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112911,"usec":218876},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809825,"noise_level":-22.462635,"freq_skew":5.276712,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[182,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112911,"usec":223769},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477444,"noise_level":-22.359451,"freq_skew":3.687679,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILN","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH07XP","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112911,"usec":969596},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.160391,"noise_level":-22.939100,"freq_skew":5.025414,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112911,"usec":973608},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.364947,"noise_level":-22.902624,"freq_skew":2.778619,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112912,"usec":723906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.380259,"noise_level":-22.686939,"freq_skew":3.967464,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112913,"usec":533846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630895,"noise_level":-22.711840,"freq_skew":3.347724,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112915,"usec":48741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009237,"noise_level":-22.238358,"freq_skew":5.545317,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112915,"usec":54786},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598912,"noise_level":-22.126684,"freq_skew":5.330083,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":5,"dst_ref":48416,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[164,110]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112916,"usec":570606},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723302,"noise_level":-21.725550,"freq_skew":4.965604,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48416,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[207,203]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":55,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112916,"usec":578690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258523,"noise_level":-21.630714,"freq_skew":3.152094,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112916,"usec":580384},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750295,"noise_level":-22.708189,"freq_skew":4.751383,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":46,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":209,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,80,129,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112917,"usec":342419},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782857,"noise_level":-22.393627,"freq_skew":5.211678,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48416,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[168,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112918,"usec":862788},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.740809,"noise_level":-23.818789,"freq_skew":2.687791,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112919,"usec":604134},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073673,"noise_level":-23.698288,"freq_skew":2.525253,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112921,"usec":158319},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385832,"noise_level":-23.362228,"freq_skew":2.821957,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46257,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[14,70,216,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112921,"usec":158319},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.385832,"noise_level":-23.362228,"freq_skew":2.821957,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":435393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928081,"noise_level":-23.614220,"freq_skew":3.016564,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":435761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172563,"noise_level":-23.614220,"freq_skew":1.211834,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":443957},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498246,"noise_level":-23.878349,"freq_skew":0.742920,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.100000},"alt":3000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":444830},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.455324,"noise_level":-23.878349,"freq_skew":2.891793,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":168,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[249,12,115,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":454821},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727216,"noise_level":-23.743650,"freq_skew":0.700161,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH01RF","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112923,"usec":454821},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.727216,"noise_level":-23.743650,"freq_skew":0.700161,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,135,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112924,"usec":223126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038929,"noise_level":-24.026918,"freq_skew":3.014167,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112924,"usec":223552},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730464,"noise_level":-24.026918,"freq_skew":0.790569,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112925,"usec":723607},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450931,"noise_level":-23.993736,"freq_skew":2.173630,"avlc":{"src":{"addr":"4D23A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":457,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112926,"usec":477726},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.262500,"noise_level":-23.696247,"freq_skew":4.079889,"avlc":{"src":{"addr":"4CADE2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112926,"usec":482259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481145,"noise_level":-23.630032,"freq_skew":2.752707,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112927,"usec":280688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.551249,"noise_level":-23.370113,"freq_skew":0.744571,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112928,"usec":803272},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082508,"noise_level":-23.631836,"freq_skew":3.310012,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112928,"usec":813035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389507,"noise_level":-24.031410,"freq_skew":0.754847,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112929,"usec":566498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.716556,"noise_level":-24.637032,"freq_skew":2.406846,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112934,"usec":154107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.692003,"noise_level":-24.700470,"freq_skew":2.607388,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112935,"usec":684650},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.632516,"noise_level":-24.316460,"freq_skew":3.902677,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABHG","mode":"2","label":"_d","blk_id":"2","ack":"O","flight":"LH03TY","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112938,"usec":735447},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336496,"noise_level":-23.487436,"freq_skew":4.801785,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2859,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[254,250]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112939,"usec":475228},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272014,"noise_level":-24.525734,"freq_skew":2.525450,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112939,"usec":487831},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701404,"noise_level":-24.409512,"freq_skew":2.719038,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43067,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[139,4,70,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112940,"usec":274953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871826,"noise_level":-26.106167,"freq_skew":4.755093,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112941,"usec":789133},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.603147,"noise_level":-26.070059,"freq_skew":5.317914,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112943,"usec":326686},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600270,"noise_level":-26.043583,"freq_skew":2.563684,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43067,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[139,4,70,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112943,"usec":328574},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027941,"noise_level":-26.238497,"freq_skew":3.218997,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43030,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[85,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112943,"usec":333688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.046614,"noise_level":-26.167534,"freq_skew":1.068522,"avlc":{"src":{"addr":"3C6433","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112946,"usec":358472},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826291,"noise_level":-27.003748,"freq_skew":3.189317,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112947,"usec":143149},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.236335,"noise_level":-26.754457,"freq_skew":4.387889,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112947,"usec":145871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912963,"noise_level":-26.716732,"freq_skew":2.485727,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112947,"usec":904021},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.081825,"noise_level":-26.192505,"freq_skew":0.998146,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWL","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH037Y","msg_num":"M49","msg_num_seq":"A","msg_text":"00041234251IXR,4STWT)KK7T++DQR4JRE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112948,"usec":681166},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.423184,"noise_level":-25.560455,"freq_skew":4.133110,"avlc":{"src":{"addr":"4CADE2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35271,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[6,209]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112950,"usec":947697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730483,"noise_level":-24.653866,"freq_skew":3.105815,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112952,"usec":475765},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.401802,"noise_level":-23.799168,"freq_skew":3.066704,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48206,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,93,39,76]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112953,"usec":219626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099725,"noise_level":-25.409319,"freq_skew":0.770894,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112953,"usec":233495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935893,"noise_level":-25.233013,"freq_skew":3.063499,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112953,"usec":234868},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.309688,"noise_level":-25.217161,"freq_skew":5.227047,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112954,"usec":790960},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636648,"noise_level":-25.845261,"freq_skew":1.570807,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9A-SHO","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"SR09ZD","msg_num":"M30","msg_num_seq":"A","msg_text":"105552,11842,1118, 3,N 49.868 E 9.484"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112956,"usec":302639},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.671241,"noise_level":-25.097218,"freq_skew":4.029163,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1059,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54597,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[76,187]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112958,"usec":590527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585510,"noise_level":-25.340012,"freq_skew":2.673645,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112958,"usec":591617},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596383,"noise_level":-25.422585,"freq_skew":3.714020,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112958,"usec":591906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-13.434364,"noise_level":-25.422585,"freq_skew":1.603615,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112963,"usec":182017},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171455,"noise_level":-25.620232,"freq_skew":4.878132,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60006,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,74,135,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112963,"usec":201286},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766755,"noise_level":-25.342693,"freq_skew":5.718161,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112964,"usec":721065},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.712708,"noise_level":-24.544949,"freq_skew":2.754676,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112966,"usec":989074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464315,"noise_level":-24.185719,"freq_skew":1.825104,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112969,"usec":293512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884774,"noise_level":-23.573940,"freq_skew":4.920540,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112970,"usec":71437},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.463044,"noise_level":-24.290730,"freq_skew":5.153969,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48416,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112970,"usec":74095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550743,"noise_level":-24.476814,"freq_skew":5.023334,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112973,"usec":100866},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736261,"noise_level":-23.144623,"freq_skew":3.882108,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[52,138,48,218]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43001,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,130,93,150]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":56,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112974,"usec":644788},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.581233,"noise_level":-25.096590,"freq_skew":4.377900,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112976,"usec":183362},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836772,"noise_level":-25.507458,"freq_skew":3.113289,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112976,"usec":187752},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024339,"noise_level":-25.442200,"freq_skew":3.737090,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60138,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[26,90,102,117]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60138,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,9,135,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":56,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112977,"usec":698364},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056648,"noise_level":-25.772385,"freq_skew":4.898158,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32747,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[234,241,30,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112978,"usec":459629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.817433,"noise_level":-26.433897,"freq_skew":1.843292,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112979,"usec":197165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290605,"noise_level":-26.147184,"freq_skew":4.876311,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112979,"usec":973975},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569254,"noise_level":-25.551163,"freq_skew":3.515708,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"44","blk_id":"1","ack":"!","flight":"XA0145","msg_num":"M79","msg_num_seq":"A","msg_text":"POS02,N50328E009558,400,LGKR,KGYY,0715,1056,1937,023.9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112980,"usec":725071},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577297,"noise_level":-25.339798,"freq_skew":3.031414,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112982,"usec":299394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.995678,"noise_level":-25.447552,"freq_skew":4.873823,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112983,"usec":826864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.891926,"noise_level":-25.735071,"freq_skew":4.897789,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112985,"usec":323300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739523,"noise_level":-25.213142,"freq_skew":3.585309,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112985,"usec":346580},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915356,"noise_level":-24.902176,"freq_skew":2.997968,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43030,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[177,188]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112987,"usec":664649},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.080577,"noise_level":-25.224575,"freq_skew":5.050583,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112988,"usec":406757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884607,"noise_level":-26.011261,"freq_skew":3.692641,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112988,"usec":414583},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.282201,"noise_level":-25.890629,"freq_skew":4.829277,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42964,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[141,236,86,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112989,"usec":922072},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445671,"noise_level":-25.925564,"freq_skew":4.085560,"avlc":{"src":{"addr":"3C7A47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":338,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112989,"usec":923593},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562353,"noise_level":-25.908398,"freq_skew":2.440476,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112990,"usec":687873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744383,"noise_level":-26.357813,"freq_skew":3.903800,"avlc":{"src":{"addr":"3C7A47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112990,"usec":690514},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697137,"noise_level":-26.664391,"freq_skew":4.684426,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057354","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,236,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112990,"usec":700236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067248,"noise_level":-26.460995,"freq_skew":4.988788,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112991,"usec":448277},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.118415,"noise_level":-26.551352,"freq_skew":0.671628,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":236,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112991,"usec":463848},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622512,"noise_level":-26.278677,"freq_skew":3.561271,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILN","mode":"2","label":"_d","blk_id":"6","ack":"Q","flight":"LH07XP","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112992,"usec":200203},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.814504,"noise_level":-26.732409,"freq_skew":4.845485,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42964,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[141,236,86,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112992,"usec":962846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195947,"noise_level":-26.291267,"freq_skew":3.260485,"avlc":{"src":{"addr":"3C7A50","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112992,"usec":975251},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389936,"noise_level":-26.078823,"freq_skew":2.534838,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":0,"dst_ref":43070,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[205,121]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112992,"usec":983468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167614,"noise_level":-25.940027,"freq_skew":4.663559,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112995,"usec":289275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832124,"noise_level":-24.872438,"freq_skew":4.825553,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112999,"usec":79279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.848416,"noise_level":-23.630909,"freq_skew":0.879536,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112999,"usec":91047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713378,"noise_level":-23.486977,"freq_skew":0.768282,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784112999,"usec":858187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499931,"noise_level":-23.174191,"freq_skew":3.162722,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113002,"usec":175690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.517466,"noise_level":-22.812481,"freq_skew":4.744912,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113002,"usec":935141},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.494362,"noise_level":-22.471067,"freq_skew":2.494541,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113005,"usec":970784},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008297,"noise_level":-21.593269,"freq_skew":3.159779,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43030,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[165,19]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":56,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113006,"usec":721798},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.009616,"noise_level":-21.438141,"freq_skew":2.546129,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113009,"usec":45348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.936786,"noise_level":-20.654564,"freq_skew":2.469612,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113010,"usec":568652},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894275,"noise_level":-20.863533,"freq_skew":0.716477,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":258,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113012,"usec":83808},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158960,"noise_level":-21.626129,"freq_skew":2.680947,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113013,"usec":584085},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.695915,"noise_level":-21.750706,"freq_skew":2.549784,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113013,"usec":603244},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732236,"noise_level":-21.561518,"freq_skew":3.244169,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43030,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[70,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113014,"usec":349693},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.089279,"noise_level":-21.458168,"freq_skew":3.860659,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113015,"usec":911397},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361320,"noise_level":-23.540733,"freq_skew":0.924036,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWL","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"LH037Y","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113015,"usec":926273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767404,"noise_level":-23.347046,"freq_skew":1.898857,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113016,"usec":668338},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629301,"noise_level":-23.021225,"freq_skew":3.564753,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":11,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113018,"usec":207776},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.418855,"noise_level":-23.259254,"freq_skew":2.738358,"avlc":{"src":{"addr":"39BDA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113018,"usec":209422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951357,"noise_level":-23.246622,"freq_skew":3.366669,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113018,"usec":951490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.723556,"noise_level":-23.872288,"freq_skew":3.279139,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH06NW","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113020,"usec":457645},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555386,"noise_level":-23.691330,"freq_skew":5.011362,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48416,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,234]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113020,"usec":464083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169542,"noise_level":-23.546402,"freq_skew":0.780168,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWL","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"LH037Y","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113020,"usec":465609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492903,"noise_level":-23.520309,"freq_skew":1.942210,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113021,"usec":243313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760386,"noise_level":-23.397009,"freq_skew":2.149153,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113021,"usec":243673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350284,"noise_level":-23.397009,"freq_skew":3.614495,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113022,"usec":40563},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666802,"noise_level":-23.056986,"freq_skew":2.946683,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43030,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[70,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113022,"usec":787097},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616052,"noise_level":-22.922188,"freq_skew":2.442546,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60148,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[49,186,152,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113022,"usec":793123},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585305,"noise_level":-22.861597,"freq_skew":5.689931,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR76YY","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113025,"usec":72838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637754,"noise_level":-23.144402,"freq_skew":5.812462,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113026,"usec":585604},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640345,"noise_level":-22.694674,"freq_skew":4.758753,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":192,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,83,185,84]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113027,"usec":338860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094545,"noise_level":-22.868834,"freq_skew":3.781972,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"LH03WR","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113035,"usec":15658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558588,"noise_level":-23.016205,"freq_skew":3.491199,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113036,"usec":540719},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.325314,"noise_level":-22.518230,"freq_skew":4.589379,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2861,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[254,250]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113036,"usec":552008},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.618998,"noise_level":-22.485023,"freq_skew":3.365490,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":79,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46246,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,237,229,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":57,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113038,"usec":52338},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668982,"noise_level":-22.445862,"freq_skew":3.160333,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113039,"usec":579289},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123394,"noise_level":-21.759985,"freq_skew":5.008955,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":192,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[232,214,172,118]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113039,"usec":589088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399667,"noise_level":-21.696396,"freq_skew":3.406595,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113040,"usec":337593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943101,"noise_level":-21.456861,"freq_skew":4.453734,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113041,"usec":82008},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456907,"noise_level":-22.229866,"freq_skew":5.225057,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EDSB"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":10.100000},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113041,"usec":908719},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389978,"noise_level":-23.229965,"freq_skew":4.079248,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEE","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR8527","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113043,"usec":414415},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610453,"noise_level":-23.504787,"freq_skew":4.413684,"avlc":{"src":{"addr":"4CAD54","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113044,"usec":173265},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769649,"noise_level":-23.758862,"freq_skew":5.233863,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113044,"usec":178550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290256,"noise_level":-23.692169,"freq_skew":5.173831,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113044,"usec":951532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801549,"noise_level":-23.138830,"freq_skew":4.417515,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113045,"usec":684581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293127,"noise_level":-23.905008,"freq_skew":3.811236,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60138,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,49,116,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113046,"usec":447080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.874975,"noise_level":-23.505821,"freq_skew":3.169631,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113046,"usec":466710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160158,"noise_level":-23.312904,"freq_skew":4.807343,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113047,"usec":201552},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.663346,"noise_level":-23.224319,"freq_skew":3.397203,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46246,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[226,224,16,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113048,"usec":21690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697528,"noise_level":-23.692904,"freq_skew":5.326187,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113048,"usec":24110},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.223454,"noise_level":-23.904476,"freq_skew":5.396928,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113050,"usec":275038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469622,"noise_level":-23.186142,"freq_skew":3.986311,"avlc":{"src":{"addr":"3C7A47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113051,"usec":42184},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021746,"noise_level":-23.121042,"freq_skew":3.501055,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,86,105,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113053,"usec":334336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.544128,"noise_level":-22.767715,"freq_skew":5.488018,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113054,"usec":89125},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.774674,"noise_level":-22.566977,"freq_skew":3.378080,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,86,105,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113054,"usec":91353},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.088768,"noise_level":-23.504139,"freq_skew":4.933709,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIBR"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":10.700000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113054,"usec":882844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.613318,"noise_level":-23.172483,"freq_skew":5.034329,"avlc":{"src":{"addr":"48C122","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113054,"usec":886719},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.862198,"noise_level":-23.048222,"freq_skew":5.194151,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJU","mode":"2","label":"1X","blk_id":"6","ack":"!","flight":"WK0195","msg_num":"M01","msg_num_seq":"A","msg_text":"1055,??????"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113055,"usec":641961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561152,"noise_level":-23.035892,"freq_skew":0.897176,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113055,"usec":644544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219552,"noise_level":-23.642559,"freq_skew":4.940491,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113057,"usec":924425},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.421098,"noise_level":-24.084736,"freq_skew":5.470224,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,68,87,0,75,22,30,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113057,"usec":937218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.650149,"noise_level":-23.933147,"freq_skew":5.545050,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113058,"usec":676319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151461,"noise_level":-23.811064,"freq_skew":0.664848,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113059,"usec":435532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482517,"noise_level":-24.170000,"freq_skew":5.210690,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113059,"usec":451680},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169827,"noise_level":-23.948240,"freq_skew":4.901984,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[79,19,172,118]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113060,"usec":199726},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.674617,"noise_level":-23.731998,"freq_skew":4.768259,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113060,"usec":203690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.384297,"noise_level":-23.639061,"freq_skew":2.932304,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113060,"usec":207083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747242,"noise_level":-23.547106,"freq_skew":4.076636,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"EN055P","msg_num":"M36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113062,"usec":527233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817783,"noise_level":-22.748665,"freq_skew":6.083228,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113063,"usec":289713},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963323,"noise_level":-23.006866,"freq_skew":3.055638,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113063,"usec":293043},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.250095,"noise_level":-22.982342,"freq_skew":5.309844,"avlc":{"src":{"addr":"4B161E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":5,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":60113,"variable_part_params":[{"name":"atn_checksum","value":[218,130,250,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113064,"usec":53756},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.476741,"noise_level":-22.622564,"freq_skew":4.580429,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113064,"usec":798314},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814038,"noise_level":-22.517473,"freq_skew":4.589682,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2862,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[78,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113066,"usec":330816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640850,"noise_level":-24.406715,"freq_skew":4.394883,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113067,"usec":841569},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220975,"noise_level":-24.642431,"freq_skew":2.994475,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113068,"usec":609216},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730654,"noise_level":-24.177639,"freq_skew":4.560016,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43031,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[181,187]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113069,"usec":408332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836295,"noise_level":-23.928337,"freq_skew":3.860736,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113071,"usec":675192},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.727384,"noise_level":-22.997055,"freq_skew":2.743423,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113073,"usec":201459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549782,"noise_level":-22.268078,"freq_skew":3.777925,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113073,"usec":949251},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220282,"noise_level":-22.510685,"freq_skew":3.842747,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIO","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"SK033D","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113077,"usec":800615},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.337047,"noise_level":-21.875870,"freq_skew":3.768868,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIO","mode":"2","label":"_d","blk_id":"9","ack":"Q","flight":"SK033D","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113078,"usec":562153},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.121138,"noise_level":-21.579161,"freq_skew":2.876919,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":107,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113082,"usec":387114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678251,"noise_level":-22.031216,"freq_skew":4.992996,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113083,"usec":910287},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350801,"noise_level":-22.224161,"freq_skew":4.454587,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[74,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113087,"usec":703508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.495766,"noise_level":-22.472855,"freq_skew":4.742045,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60006,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,74,135,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113087,"usec":709069},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779291,"noise_level":-22.833458,"freq_skew":3.826995,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[157,124,197,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113087,"usec":713306},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.172453,"noise_level":-22.785444,"freq_skew":4.309594,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42867,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[74,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113087,"usec":719030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947517,"noise_level":-22.725800,"freq_skew":3.744352,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113090,"usec":800471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604047,"noise_level":-21.786018,"freq_skew":3.593095,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[157,124,197,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113092,"usec":296828},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630353,"noise_level":-22.154829,"freq_skew":4.077765,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1064,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60104,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[6,98]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113098,"usec":413790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.806147,"noise_level":-21.558626,"freq_skew":3.902259,"avlc":{"src":{"addr":"4B8750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113099,"usec":189559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066522,"noise_level":-21.172398,"freq_skew":3.482535,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113101,"usec":453230},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.944820,"noise_level":-21.117250,"freq_skew":2.625755,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"LH043V","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113102,"usec":223416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.839828,"noise_level":-21.729248,"freq_skew":4.641129,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113103,"usec":777342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941978,"noise_level":-21.244835,"freq_skew":4.060557,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113104,"usec":551784},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536722,"noise_level":-21.114159,"freq_skew":4.262598,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEE","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"FR8527","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113106,"usec":50767},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.954957,"noise_level":-21.767952,"freq_skew":2.957649,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46257,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,95,143,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":58,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113106,"usec":810344},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698464,"noise_level":-21.505777,"freq_skew":4.275301,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEE","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"FR8527","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113108,"usec":323702},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330124,"noise_level":-21.655216,"freq_skew":3.034405,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46257,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[134,158,170,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113111,"usec":403065},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.626805,"noise_level":-20.735662,"freq_skew":2.954139,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113112,"usec":169355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278973,"noise_level":-20.723251,"freq_skew":3.556539,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113114,"usec":455469},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084996,"noise_level":-19.921261,"freq_skew":6.268729,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113114,"usec":455735},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.055216,"noise_level":-19.921261,"freq_skew":5.379487,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":368,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113115,"usec":201323},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619627,"noise_level":-19.793095,"freq_skew":7.913347,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":12,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43083,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[176,140]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113115,"usec":201323},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.619627,"noise_level":-19.793095,"freq_skew":7.913347,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":13,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43083,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[210,63]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3991184,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"PTN78X","long_tsap":{"rdp":[193,71,68,67,0],"short_tsap":{"ars":[60,230,144],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[193,71,68,67,0],"short_tsap":{"ars":[60,230,144],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"EDDL","destination_airport":"LEIB"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113115,"usec":996217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306499,"noise_level":-19.600178,"freq_skew":4.634973,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113115,"usec":997479},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831220,"noise_level":-19.575327,"freq_skew":3.088361,"avlc":{"src":{"addr":"AC2567","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43030,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[184,175]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113117,"usec":528082},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.253884,"noise_level":-19.124048,"freq_skew":5.380765,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48416,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,234]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113119,"usec":47685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.749079,"noise_level":-18.755064,"freq_skew":7.783142,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113119,"usec":62862},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438606,"noise_level":-18.680126,"freq_skew":4.111308,"avlc":{"src":{"addr":"4CAEEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.900001},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113123,"usec":633706},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436516,"noise_level":-19.873213,"freq_skew":4.329517,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH55UW","msg_num":"M83","msg_num_seq":"A","msg_text":"00072209234GD0MF(*6)6XAK4K05836228777QPG4D87SHHXDD*:H"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113123,"usec":637133},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483888,"noise_level":-19.796511,"freq_skew":5.369637,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48416,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[160,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113125,"usec":147521},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.428986,"noise_level":-19.529152,"freq_skew":1.079513,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54585,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,152,104,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113125,"usec":909681},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846457,"noise_level":-19.285763,"freq_skew":4.519947,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113125,"usec":913974},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072895,"noise_level":-19.214056,"freq_skew":4.210142,"avlc":{"src":{"addr":"45211E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":11.200000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113126,"usec":676436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131805,"noise_level":-19.119358,"freq_skew":5.183038,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113130,"usec":527795},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115037,"noise_level":-20.349894,"freq_skew":1.883747,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113131,"usec":266241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.430780,"noise_level":-20.188625,"freq_skew":3.378921,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113134,"usec":312441},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.677885,"noise_level":-20.830431,"freq_skew":3.589136,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46276,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[65,15,213,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113134,"usec":317496},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815433,"noise_level":-20.975534,"freq_skew":2.378857,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"_d","blk_id":"7","ack":"L","flight":"LH043V","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113135,"usec":64246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398088,"noise_level":-21.969852,"freq_skew":3.978637,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113138,"usec":146273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917382,"noise_level":-20.949322,"freq_skew":2.598405,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113138,"usec":146868},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796347,"noise_level":-20.999754,"freq_skew":3.907985,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60138,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,92,15,1]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":58,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113141,"usec":191170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742509,"noise_level":-22.976307,"freq_skew":4.856688,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113141,"usec":195277},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588589,"noise_level":-24.063646,"freq_skew":4.128145,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1065,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54597,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[76,187]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113142,"usec":711053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455534,"noise_level":-24.157764,"freq_skew":3.751507,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113143,"usec":519082},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.116262,"noise_level":-24.788082,"freq_skew":4.868409,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60006,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[104,48,23,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113143,"usec":524355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.361797,"noise_level":-24.713037,"freq_skew":4.734177,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113143,"usec":528125},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.599018,"noise_level":-24.683201,"freq_skew":4.855912,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60006,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,217,141,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":58,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113145,"usec":29377},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.346289,"noise_level":-24.370628,"freq_skew":4.782655,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[47,7,231,76]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":59,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113145,"usec":801882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.092586,"noise_level":-23.854694,"freq_skew":4.717878,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113150,"usec":380887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483385,"noise_level":-22.140270,"freq_skew":4.656372,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[194,178,167,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113151,"usec":154719},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268377,"noise_level":-21.738520,"freq_skew":5.347289,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[182,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113151,"usec":920772},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876679,"noise_level":-21.502544,"freq_skew":4.276819,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1065,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54597,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[76,187]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113154,"usec":191581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887959,"noise_level":-20.952961,"freq_skew":3.458893,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113161,"usec":70122},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.004497,"noise_level":-21.824852,"freq_skew":3.263712,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113161,"usec":820079},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.477183,"noise_level":-21.655054,"freq_skew":3.185048,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113161,"usec":827090},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.513505,"noise_level":-21.592226,"freq_skew":3.442015,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113162,"usec":579264},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.769495,"noise_level":-21.365665,"freq_skew":3.521900,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113164,"usec":149260},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109136,"noise_level":-20.795248,"freq_skew":3.537670,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113165,"usec":668843},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.211174,"noise_level":-20.331888,"freq_skew":3.043708,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113167,"usec":167169},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497697,"noise_level":-20.047806,"freq_skew":5.727519,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5639,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113170,"usec":242576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271090,"noise_level":-19.594839,"freq_skew":3.865205,"avlc":{"src":{"addr":"3C7A47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113171,"usec":13866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633059,"noise_level":-20.040756,"freq_skew":3.464655,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113171,"usec":792337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.378913,"noise_level":-19.715307,"freq_skew":2.835099,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113172,"usec":546499},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262605,"noise_level":-19.565304,"freq_skew":5.452923,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGJ","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR09MX","msg_num":"M50","msg_num_seq":"A","msg_text":"105930,28716,1337, 202,N 50.660 E 5.731"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113173,"usec":305836},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298250,"noise_level":-19.426910,"freq_skew":4.331393,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR8527","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113175,"usec":587820},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876099,"noise_level":-19.924803,"freq_skew":3.628621,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,86,105,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113175,"usec":588749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355343,"noise_level":-20.497707,"freq_skew":5.576052,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113176,"usec":328364},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400062,"noise_level":-20.946808,"freq_skew":3.856074,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113180,"usec":927610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.585053,"noise_level":-22.285099,"freq_skew":0.673965,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113183,"usec":248904},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.849904,"noise_level":-22.982502,"freq_skew":3.357122,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":158,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113187,"usec":59157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673219,"noise_level":-21.703335,"freq_skew":5.361916,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113187,"usec":820898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856667,"noise_level":-21.422586,"freq_skew":0.798642,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113190,"usec":128871},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.859774,"noise_level":-20.829403,"freq_skew":4.870047,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113194,"usec":683114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977104,"noise_level":-20.171890,"freq_skew":1.029258,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113195,"usec":433896},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320326,"noise_level":-20.031281,"freq_skew":1.146976,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54585,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[9,181,56,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113195,"usec":451982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.700302,"noise_level":-20.798912,"freq_skew":3.418068,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113196,"usec":206535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423947,"noise_level":-20.601200,"freq_skew":3.724853,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113198,"usec":517553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629541,"noise_level":-19.998901,"freq_skew":3.869145,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113198,"usec":524626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.519980,"noise_level":-20.838570,"freq_skew":3.079213,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46257,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[4,123,159,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113200,"usec":31430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611381,"noise_level":-20.840000,"freq_skew":3.730399,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113200,"usec":783397},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669968,"noise_level":-21.643534,"freq_skew":3.999139,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43096,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[240,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":10,"min":59,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113202,"usec":331992},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197864,"noise_level":-21.075680,"freq_skew":1.035535,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113204,"usec":645920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463174,"noise_level":-20.440771,"freq_skew":6.000816,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113206,"usec":151011},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657128,"noise_level":-20.830200,"freq_skew":3.676485,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113206,"usec":153927},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852705,"noise_level":-20.773046,"freq_skew":3.920820,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113207,"usec":690835},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585029,"noise_level":-21.563911,"freq_skew":3.775623,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43096,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113210,"usec":759812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.222957,"noise_level":-21.469336,"freq_skew":3.486845,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113211,"usec":503438},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.754697,"noise_level":-21.326500,"freq_skew":5.206974,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1161,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[182,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113214,"usec":569759},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996022,"noise_level":-21.976181,"freq_skew":3.952020,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113216,"usec":808603},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.573953,"noise_level":-21.416626,"freq_skew":5.203984,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1161,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[182,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113223,"usec":740601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062595,"noise_level":-21.808233,"freq_skew":3.915563,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113224,"usec":495829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626403,"noise_level":-21.669609,"freq_skew":4.098022,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113225,"usec":256256},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288787,"noise_level":-22.719017,"freq_skew":4.289444,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113225,"usec":272028},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334363,"noise_level":-22.577627,"freq_skew":4.022414,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113227,"usec":538764},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367034,"noise_level":-22.453312,"freq_skew":0.760035,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113230,"usec":632869},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987325,"noise_level":-23.031389,"freq_skew":4.848098,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSH","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"EI045N","msg_num":"M50","msg_num_seq":"A","msg_text":" \r\nFTGCRR,,,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113232,"usec":140180},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370323,"noise_level":-23.544174,"freq_skew":4.265316,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113235,"usec":926949},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.236388,"noise_level":-22.114170,"freq_skew":4.886827,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSH","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"EI045N","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113238,"usec":254862},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656434,"noise_level":-21.220034,"freq_skew":4.008438,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TUKF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BY052B","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113239,"usec":3939},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844870,"noise_level":-21.012613,"freq_skew":4.786068,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSH","mode":"2","label":"_d","blk_id":"2","ack":"N","flight":"EI045N","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113239,"usec":765043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865026,"noise_level":-20.819572,"freq_skew":3.978562,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113240,"usec":527566},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901324,"noise_level":-20.584154,"freq_skew":4.260591,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,79,77,0,64,121,169,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113241,"usec":299432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.368292,"noise_level":-21.980621,"freq_skew":7.679255,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113242,"usec":802389},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.977761,"noise_level":-22.097300,"freq_skew":10.133048,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":16,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":11,"dst_ref":43105,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[113,16]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113242,"usec":812016},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984184,"noise_level":-21.998341,"freq_skew":4.164674,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[96,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113243,"usec":582668},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995418,"noise_level":-21.634354,"freq_skew":7.740076,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":17,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43105,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[127,177]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":0,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113244,"usec":335309},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266523,"noise_level":-21.883160,"freq_skew":4.187562,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113245,"usec":119142},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059832,"noise_level":-22.571487,"freq_skew":7.851481,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[224,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113247,"usec":417533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229300,"noise_level":-22.750608,"freq_skew":4.382441,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113248,"usec":933339},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498373,"noise_level":-22.509514,"freq_skew":4.508547,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH55UW","msg_num":"M84","msg_num_seq":"A","msg_text":"00073234286)N7QPJR3R*EEZMDD20,32O("}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113248,"usec":939295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317279,"noise_level":-22.557333,"freq_skew":4.169905,"avlc":{"src":{"addr":"4079A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113250,"usec":456093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643529,"noise_level":-22.014959,"freq_skew":1.880475,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113251,"usec":265920},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548174,"noise_level":-21.681858,"freq_skew":3.482561,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":6.700000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113252,"usec":774773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.991812,"noise_level":-22.224468,"freq_skew":3.711569,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113255,"usec":62811},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.165868,"noise_level":-21.983051,"freq_skew":4.551486,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3015,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43031,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[172,192]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113260,"usec":386090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464148,"noise_level":-20.864719,"freq_skew":1.960301,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113271,"usec":127294},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336374,"noise_level":-18.882900,"freq_skew":5.393425,"avlc":{"src":{"addr":"4CADBC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[182,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113275,"usec":655834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818947,"noise_level":-18.345470,"freq_skew":4.665086,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113275,"usec":659691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.822843,"noise_level":-18.443827,"freq_skew":5.294297,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113275,"usec":661770},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114107,"noise_level":-18.500427,"freq_skew":4.015313,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43090,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[158,26,154,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113277,"usec":196599},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.861714,"noise_level":-19.953863,"freq_skew":5.178651,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":53,"dst_ref":209,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[102,75,69,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113278,"usec":494},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.227687,"noise_level":-19.732079,"freq_skew":2.738650,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26E217","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[38]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":10.800000},"alt":42000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113278,"usec":765342},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576505,"noise_level":-19.499401,"freq_skew":3.595052,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":14,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[232,126,190,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113279,"usec":508024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582869,"noise_level":-20.330509,"freq_skew":4.445047,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113281,"usec":42193},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801802,"noise_level":-19.762972,"freq_skew":4.640595,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113284,"usec":105175},"freq":136975000,"burst_len_octets":38,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293325,"noise_level":-19.764458,"freq_skew":4.787987,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":30,"priority":3,"lifetime":45.500000,"flags":153,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[13,102,100,124,65,0,196,3,88,101,25,68,28,82,231,86,32]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113288,"usec":651660},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.188566,"noise_level":-19.417234,"freq_skew":3.430218,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1121,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[96,90,9,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113289,"usec":424234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851105,"noise_level":-19.661621,"freq_skew":3.554387,"avlc":{"src":{"addr":"3C4907","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113291,"usec":746927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875350,"noise_level":-19.609003,"freq_skew":0.452386,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113294,"usec":33308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547524,"noise_level":-20.015903,"freq_skew":4.166943,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113295,"usec":542626},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102309,"noise_level":-19.599642,"freq_skew":3.440548,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32818,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,86,105,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113296,"usec":299236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706831,"noise_level":-19.709089,"freq_skew":3.458889,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113296,"usec":303575},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917355,"noise_level":-20.163940,"freq_skew":3.662396,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113298,"usec":632220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734209,"noise_level":-20.240765,"freq_skew":0.721905,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113300,"usec":904072},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147819,"noise_level":-19.612165,"freq_skew":7.687893,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":20,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113303,"usec":922689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.885633,"noise_level":-18.948704,"freq_skew":4.955535,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[115,251,134,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113305,"usec":489019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612862,"noise_level":-18.768925,"freq_skew":5.979742,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113305,"usec":499000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398122,"noise_level":-19.849689,"freq_skew":3.825691,"avlc":{"src":{"addr":"4CAEEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113307,"usec":784424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617464,"noise_level":-20.644363,"freq_skew":3.394042,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113308,"usec":531256},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547409,"noise_level":-20.532825,"freq_skew":3.453899,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1020,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[102,197,133,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":1,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113310,"usec":48594},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.823653,"noise_level":-21.347855,"freq_skew":3.358938,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113310,"usec":809891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627784,"noise_level":-21.747210,"freq_skew":7.806077,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113310,"usec":810872},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721771,"noise_level":-21.747210,"freq_skew":0.698731,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":259,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113310,"usec":821811},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.596098,"noise_level":-22.721331,"freq_skew":4.772025,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113310,"usec":822433},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556384,"noise_level":-22.709457,"freq_skew":3.408042,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1020,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[186,69,166,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113311,"usec":604242},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915716,"noise_level":-22.673933,"freq_skew":3.566248,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1020,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[195,182,200,216]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":1,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113313,"usec":127846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100631,"noise_level":-22.361565,"freq_skew":3.456707,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113316,"usec":171144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005898,"noise_level":-22.137835,"freq_skew":3.767485,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113316,"usec":930857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156806,"noise_level":-22.889229,"freq_skew":3.720219,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113317,"usec":700748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000171,"noise_level":-22.556496,"freq_skew":3.598945,"avlc":{"src":{"addr":"44CC46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113318,"usec":481942},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885232,"noise_level":-23.262865,"freq_skew":3.626138,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113320,"usec":16000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197473,"noise_level":-22.500593,"freq_skew":1.974488,"avlc":{"src":{"addr":"3C4595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113321,"usec":519349},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983901,"noise_level":-22.108429,"freq_skew":3.963124,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113322,"usec":292214},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281363,"noise_level":-21.718697,"freq_skew":3.633340,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LOWG"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.700000},"alt":23000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113323,"usec":29911},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513020,"noise_level":-22.947689,"freq_skew":3.660610,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EN055P","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113323,"usec":29911},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.513020,"noise_level":-22.947689,"freq_skew":3.660610,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"14004670","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,184,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113324,"usec":562734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848560,"noise_level":-23.135969,"freq_skew":3.748275,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113325,"usec":355405},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671781,"noise_level":-22.963219,"freq_skew":3.568890,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":148,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113327,"usec":641012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.799392,"noise_level":-22.864979,"freq_skew":2.574010,"avlc":{"src":{"addr":"896409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113332,"usec":227349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858234,"noise_level":-23.292559,"freq_skew":3.463326,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113333,"usec":11675},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242892,"noise_level":-24.465412,"freq_skew":3.840864,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":250,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113333,"usec":766799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.440601,"noise_level":-25.384605,"freq_skew":0.767623,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113336,"usec":788602},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539758,"noise_level":-24.210842,"freq_skew":3.318398,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":9.800000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113336,"usec":810046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055217,"noise_level":-24.815159,"freq_skew":4.460646,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113337,"usec":549544},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.351406,"noise_level":-24.503286,"freq_skew":4.690389,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113338,"usec":315519},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.639519,"noise_level":-24.160053,"freq_skew":4.508907,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32747,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[234,241,30,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113339,"usec":110932},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.641837,"noise_level":-23.884037,"freq_skew":4.677964,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113339,"usec":868300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836575,"noise_level":-23.511780,"freq_skew":0.974161,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113340,"usec":631941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525953,"noise_level":-24.118294,"freq_skew":3.160114,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113340,"usec":640462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304304,"noise_level":-24.803980,"freq_skew":3.459479,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113341,"usec":385862},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.720086,"noise_level":-24.580360,"freq_skew":3.646012,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1020,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[131,177,211,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113342,"usec":150201},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.349693,"noise_level":-24.135689,"freq_skew":4.712554,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":549,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113342,"usec":915312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691984,"noise_level":-24.360323,"freq_skew":3.327620,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113343,"usec":666945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516792,"noise_level":-24.175756,"freq_skew":0.818039,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113344,"usec":420941},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636057,"noise_level":-23.777634,"freq_skew":2.988134,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-NEE","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"KMM395","msg_num":"S03","msg_num_seq":"A","msg_text":"0EV110214VH","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":2,"sec":14}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"H","descr":"HF"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113346,"usec":752996},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588726,"noise_level":-22.694126,"freq_skew":3.361212,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":8.400001},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113348,"usec":261648},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.540430,"noise_level":-22.043924,"freq_skew":4.705620,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113349,"usec":785786},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968425,"noise_level":-21.615068,"freq_skew":0.621978,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JA875A","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"NH0204","msg_num":"D35","msg_num_seq":"K","sublabel":"DF","msg_text":"0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113350,"usec":532805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004423,"noise_level":-21.301010,"freq_skew":0.481701,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113355,"usec":164386},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860921,"noise_level":-20.773251,"freq_skew":5.416454,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113355,"usec":913408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.717219,"noise_level":-20.604004,"freq_skew":4.926906,"avlc":{"src":{"addr":"4B15EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113359,"usec":737658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.095089,"noise_level":-19.976791,"freq_skew":3.029891,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113360,"usec":501013},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614721,"noise_level":-20.038479,"freq_skew":3.381596,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":6.800000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113360,"usec":509739},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616297,"noise_level":-20.409212,"freq_skew":3.333412,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-LMC","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LW96QW","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113362,"usec":21440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850385,"noise_level":-21.791725,"freq_skew":5.845115,"avlc":{"src":{"addr":"407CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113362,"usec":790717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065496,"noise_level":-22.339600,"freq_skew":3.960878,"avlc":{"src":{"addr":"4D2350","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113363,"usec":548621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930816,"noise_level":-22.391277,"freq_skew":3.400170,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113364,"usec":285053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656897,"noise_level":-22.311571,"freq_skew":5.833044,"avlc":{"src":{"addr":"407CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113364,"usec":294827},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051946,"noise_level":-22.210155,"freq_skew":5.367106,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113364,"usec":309059},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619174,"noise_level":-22.215446,"freq_skew":3.922288,"avlc":{"src":{"addr":"4D2350","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113365,"usec":38876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674280,"noise_level":-22.115143,"freq_skew":5.948237,"avlc":{"src":{"addr":"02A181","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113365,"usec":44895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502307,"noise_level":-22.278500,"freq_skew":3.268049,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113369,"usec":645473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258074,"noise_level":-22.166676,"freq_skew":4.491535,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113380,"usec":371540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828563,"noise_level":-20.442583,"freq_skew":2.714294,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113381,"usec":139903},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.275765,"noise_level":-21.213497,"freq_skew":5.538486,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[30,230]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113383,"usec":392816},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856817,"noise_level":-20.680809,"freq_skew":3.570858,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43001,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[137,189,248,133]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43001,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[13,203,55,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":3,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113383,"usec":396811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.260370,"noise_level":-21.487036,"freq_skew":4.762251,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42964,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[116,154,243,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113384,"usec":157472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146892,"noise_level":-21.273222,"freq_skew":3.458782,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113388,"usec":707},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848536,"noise_level":-20.422512,"freq_skew":3.329605,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113391,"usec":51008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122252,"noise_level":-20.118515,"freq_skew":3.676837,"avlc":{"src":{"addr":"3C6677","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113392,"usec":556310},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.505861,"noise_level":-20.349085,"freq_skew":3.330458,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":11.400001},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113394,"usec":114710},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881887,"noise_level":-19.925554,"freq_skew":3.101067,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42853,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[146,33,93,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113394,"usec":129888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.080108,"noise_level":-20.427040,"freq_skew":3.362586,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113394,"usec":875391},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836885,"noise_level":-20.291252,"freq_skew":3.888268,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":410,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113401,"usec":15043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.081510,"noise_level":-19.400925,"freq_skew":5.244521,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113401,"usec":755426},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116007,"noise_level":-19.312201,"freq_skew":5.229469,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113403,"usec":275613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508446,"noise_level":-18.874054,"freq_skew":3.530051,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113404,"usec":48957},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911242,"noise_level":-19.570988,"freq_skew":3.716554,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":410,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113404,"usec":803941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031038,"noise_level":-20.323046,"freq_skew":7.742599,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113405,"usec":541036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683840,"noise_level":-20.435200,"freq_skew":3.086953,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113405,"usec":544727},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920433,"noise_level":-21.289288,"freq_skew":0.889854,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":98,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54585,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[84,135,92,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113413,"usec":222806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.939342,"noise_level":-20.049007,"freq_skew":3.778216,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SK033D","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113414,"usec":819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966426,"noise_level":-19.740099,"freq_skew":4.045506,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113414,"usec":746251},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.792501,"noise_level":-19.876799,"freq_skew":3.328422,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113418,"usec":560876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.606831,"noise_level":-19.982290,"freq_skew":3.413195,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113423,"usec":156225},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.670933,"noise_level":-19.309828,"freq_skew":3.322419,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":155,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113428,"usec":508931},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970518,"noise_level":-19.597349,"freq_skew":5.235669,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":22,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[123,179]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113433,"usec":853639},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005756,"noise_level":-18.341057,"freq_skew":4.680892,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113441,"usec":508956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668904,"noise_level":-18.598820,"freq_skew":6.091570,"avlc":{"src":{"addr":"407CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113442,"usec":258852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048918,"noise_level":-20.860306,"freq_skew":4.483791,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113442,"usec":268079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965586,"noise_level":-21.826563,"freq_skew":3.968437,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.200000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113443,"usec":791602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924994,"noise_level":-21.296413,"freq_skew":3.356081,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113446,"usec":33943},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194287,"noise_level":-21.445961,"freq_skew":4.851841,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48477,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[104,35,124,224]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48477,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,64,18,167]}]}],"adsc_v2":{"adsc_ack":{"contract_number":1,"request_type":"event-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"EDYY"}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113449,"usec":145157},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956248,"noise_level":-20.576977,"freq_skew":5.348097,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60164,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[219,92]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113451,"usec":397892},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960857,"noise_level":-20.080875,"freq_skew":5.079579,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113451,"usec":398862},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708343,"noise_level":-20.435932,"freq_skew":3.886239,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.200000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113456,"usec":758005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041550,"noise_level":-19.427067,"freq_skew":5.249039,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113457,"usec":538995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802546,"noise_level":-19.502998,"freq_skew":5.186361,"avlc":{"src":{"addr":"4BB565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113457,"usec":539977},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.650437,"noise_level":-20.265095,"freq_skew":3.449010,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":155,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113465,"usec":166600},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177796,"noise_level":-18.706219,"freq_skew":5.332094,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3846,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113465,"usec":169405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698435,"noise_level":-18.691263,"freq_skew":2.639421,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113469,"usec":1863},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.164406,"noise_level":-18.936527,"freq_skew":3.301692,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":154,"calling_addr":"20003356","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,88,83,0,64,6,238,0,1,0,0,0,0,0,1,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113469,"usec":757431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136068,"noise_level":-18.738979,"freq_skew":3.459674,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113471,"usec":264136},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573294,"noise_level":-18.385675,"freq_skew":3.948113,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.200000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113472,"usec":799843},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916731,"noise_level":-20.140942,"freq_skew":5.328368,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113477,"usec":384601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.163260,"noise_level":-19.834122,"freq_skew":3.511175,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113478,"usec":158222},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177431,"noise_level":-19.499771,"freq_skew":0.911290,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113479,"usec":681394},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.274639,"noise_level":-19.832727,"freq_skew":3.493135,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113480,"usec":443542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461309,"noise_level":-20.209444,"freq_skew":3.239120,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113481,"usec":990434},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767587,"noise_level":-21.371880,"freq_skew":5.305796,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[30,230]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113482,"usec":749219},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699324,"noise_level":-21.427137,"freq_skew":5.257317,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3848,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[17,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113483,"usec":508620},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722092,"noise_level":-21.174908,"freq_skew":4.594458,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N481MC","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"5Y9080","msg_num":"C20","msg_num_seq":"B","sublabel":"CF","msg_text":" \r\n 3 5 4 4 4 5 4 5 *** ***\r\n 4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 **** ****\r\n 5 9.0\r\n 6 B B B\r\n 7 2 2 2\r\n 8 46.2 53.7 58.7\r\n 9 0.26 0.30 0.26\r\n 10 0.17 0.17 0.17\r\n 11 0.7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113483,"usec":517129},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762688,"noise_level":-22.850174,"freq_skew":4.702273,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113485,"usec":28136},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323579,"noise_level":-22.357893,"freq_skew":2.729091,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTF","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"GS0000","msg_num":"S32","msg_num_seq":"A","msg_text":"0E21104442S/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":4,"sec":44}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113487,"usec":373539},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872074,"noise_level":-21.378317,"freq_skew":4.666449,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42964,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[148,34,217,158]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":4,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113489,"usec":632953},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.464256,"noise_level":-20.900234,"freq_skew":3.312687,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":155,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113492,"usec":673405},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224368,"noise_level":-21.266747,"freq_skew":4.198300,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113492,"usec":677899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927609,"noise_level":-21.226639,"freq_skew":4.637481,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113492,"usec":683643},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.659115,"noise_level":-21.176765,"freq_skew":5.472155,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60142,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,232,236,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113493,"usec":421010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901654,"noise_level":-21.176765,"freq_skew":4.682414,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113493,"usec":424212},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000288,"noise_level":-21.674517,"freq_skew":5.327954,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[9,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113494,"usec":240350},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529567,"noise_level":-21.374310,"freq_skew":4.383243,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113494,"usec":240350},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.529567,"noise_level":-21.374310,"freq_skew":4.383243,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":687,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113495,"usec":745719},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901351,"noise_level":-22.279615,"freq_skew":3.711652,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43090,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,2,120,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113495,"usec":755949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159105,"noise_level":-23.191328,"freq_skew":4.775810,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113496,"usec":510761},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232527,"noise_level":-22.968445,"freq_skew":2.938189,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTF","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"GS0000","msg_num":"S32","msg_num_seq":"A","msg_text":"0E21104442S/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":4,"sec":44}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113497,"usec":265869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832238,"noise_level":-22.822971,"freq_skew":4.636405,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113498,"usec":29561},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461854,"noise_level":-23.423176,"freq_skew":4.342590,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WBA","mode":"2","label":"QQ","blk_id":"1","ack":"!","flight":"W62424","msg_num":"M02","msg_num_seq":"A","msg_text":"EDJALQTZ1100/FB 47/ETA 1213/FN W62424"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113499,"usec":537546},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679729,"noise_level":-23.045067,"freq_skew":3.822755,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43090,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,2,120,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113499,"usec":538030},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026739,"noise_level":-23.287868,"freq_skew":5.284721,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3853,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60167,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[154,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":4,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113499,"usec":557723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308550,"noise_level":-23.496624,"freq_skew":0.211352,"avlc":{"src":{"addr":"86E800","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113500,"usec":284910},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971513,"noise_level":-23.291208,"freq_skew":5.130064,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60167,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[217,63]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":4,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113500,"usec":287784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805593,"noise_level":-23.190296,"freq_skew":4.501666,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113505,"usec":649362},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310178,"noise_level":-21.453161,"freq_skew":3.651535,"avlc":{"src":{"addr":"4CAEEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113505,"usec":651100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358343,"noise_level":-21.422413,"freq_skew":5.232158,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113506,"usec":417763},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009944,"noise_level":-21.498177,"freq_skew":5.344768,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113507,"usec":978706},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790571,"noise_level":-21.548576,"freq_skew":5.833768,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113509,"usec":513024},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.821895,"noise_level":-21.361916,"freq_skew":3.367822,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113511,"usec":782846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877410,"noise_level":-21.062815,"freq_skew":7.598053,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113514,"usec":101934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.134864,"noise_level":-21.120113,"freq_skew":3.548820,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113518,"usec":666309},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836520,"noise_level":-22.114058,"freq_skew":3.811528,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":6,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113519,"usec":426418},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371505,"noise_level":-22.902443,"freq_skew":1.641879,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.000000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113520,"usec":202379},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713325,"noise_level":-22.854050,"freq_skew":4.387841,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WBA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"W62424","msg_num":"D71","msg_num_seq":"B","sublabel":"DF","msg_text":"1417,0/ZB15004558,0/ZC030507/ZD00000000,0,00000000/ZE00000000,00000000/ZF105102,105102/ZK1673,1764/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113520,"usec":209495},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814116,"noise_level":-23.127756,"freq_skew":1.704641,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"DE04ZL","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113520,"usec":209495},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.814116,"noise_level":-23.127756,"freq_skew":1.704641,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062044","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,70,71,0,60,100,36,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113522,"usec":505660},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008550,"noise_level":-23.923355,"freq_skew":3.598934,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":6,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113524,"usec":10258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989017,"noise_level":-24.409969,"freq_skew":1.652122,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113524,"usec":776292},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714190,"noise_level":-24.848370,"freq_skew":3.661659,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113524,"usec":780868},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614506,"noise_level":-25.067841,"freq_skew":3.763752,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113526,"usec":282124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724508,"noise_level":-26.051556,"freq_skew":3.624517,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113527,"usec":85494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954290,"noise_level":-25.626286,"freq_skew":3.773362,"avlc":{"src":{"addr":"4CAD42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113528,"usec":594067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960341,"noise_level":-25.277016,"freq_skew":-0.593793,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113528,"usec":612990},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690314,"noise_level":-24.994617,"freq_skew":-0.259512,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113530,"usec":898942},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047106,"noise_level":-25.699289,"freq_skew":3.665627,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113532,"usec":411900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856088,"noise_level":-26.836479,"freq_skew":-0.285997,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113533,"usec":922412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638553,"noise_level":-26.000242,"freq_skew":3.593277,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113533,"usec":929766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.111212,"noise_level":-25.896872,"freq_skew":6.455952,"avlc":{"src":{"addr":"4853F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXJ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"KL065A","msg_num":"M56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113534,"usec":718190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412166,"noise_level":-25.744085,"freq_skew":4.385050,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113536,"usec":259327},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.957928,"noise_level":-24.925806,"freq_skew":6.472640,"avlc":{"src":{"addr":"4853F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113539,"usec":269762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898456,"noise_level":-23.720375,"freq_skew":4.579153,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113541,"usec":593443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.749781,"noise_level":-23.389717,"freq_skew":5.385759,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113543,"usec":120434},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421046,"noise_level":-23.017467,"freq_skew":5.963459,"avlc":{"src":{"addr":"407CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2062,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43062,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[17,61]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113546,"usec":918792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.742534,"noise_level":-22.697521,"freq_skew":4.816823,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113546,"usec":924916},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028867,"noise_level":-22.626713,"freq_skew":3.559834,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":6,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113549,"usec":237886},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623406,"noise_level":-22.771393,"freq_skew":5.444008,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLO","mode":"2","label":"_d","blk_id":"9","ack":"J","flight":"ZD0721","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113551,"usec":506183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692857,"noise_level":-23.024261,"freq_skew":5.303831,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLO","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"ZD0721","msg_num":"M35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113553,"usec":31356},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826545,"noise_level":-22.930258,"freq_skew":2.239486,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113553,"usec":33316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887598,"noise_level":-23.207294,"freq_skew":4.891977,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113554,"usec":590546},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221976,"noise_level":-24.002798,"freq_skew":4.855396,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113557,"usec":629684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.989590,"noise_level":-22.665325,"freq_skew":4.125269,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113559,"usec":140753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.019593,"noise_level":-22.105301,"freq_skew":5.880853,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113561,"usec":465037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688594,"noise_level":-21.799961,"freq_skew":3.379161,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113562,"usec":977767},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269822,"noise_level":-22.301224,"freq_skew":4.618714,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113564,"usec":498320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561941,"noise_level":-22.303574,"freq_skew":6.128026,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113565,"usec":281594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675429,"noise_level":-22.690586,"freq_skew":3.640444,"avlc":{"src":{"addr":"4CAEEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113565,"usec":284319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545914,"noise_level":-22.678755,"freq_skew":2.458491,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113566,"usec":779359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125138,"noise_level":-23.334866,"freq_skew":1.569566,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113567,"usec":585811},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836085,"noise_level":-23.009493,"freq_skew":4.148650,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113568,"usec":351940},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204711,"noise_level":-22.625080,"freq_skew":2.975818,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113568,"usec":358676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340149,"noise_level":-22.543211,"freq_skew":4.101459,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113570,"usec":639301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782514,"noise_level":-21.637564,"freq_skew":4.442564,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113573,"usec":661350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909173,"noise_level":-23.022270,"freq_skew":5.115541,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113573,"usec":662365},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.939553,"noise_level":-23.260813,"freq_skew":2.834304,"avlc":{"src":{"addr":"493286","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113574,"usec":414168},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895273,"noise_level":-23.048494,"freq_skew":4.042200,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","unknown_proto":{"data":[230,132,192,92,164,64,40,178,124,42,179,106,177,214,35,198,2,0,40,175,225,60,164,112,11,89,52,5,22,73,161,6,99,118,60,132,95,132,16,16,129,69,123,9,225,50,0,86,179,192,10,46,100,90,16,89,9,209,9,1,8,5,16,226,162,8,37,23,26,111,64]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113574,"usec":434256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649179,"noise_level":-22.841240,"freq_skew":3.147182,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46367,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[245,183,242,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113575,"usec":978276},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679346,"noise_level":-22.615505,"freq_skew":4.232982,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113577,"usec":490590},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.530309,"noise_level":-21.992779,"freq_skew":4.230159,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[211,112]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113582,"usec":87016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586934,"noise_level":-22.508791,"freq_skew":3.437638,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113584,"usec":382061},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623298,"noise_level":-22.558603,"freq_skew":5.138441,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[30,230]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113585,"usec":129297},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096212,"noise_level":-22.385418,"freq_skew":4.402699,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48354,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[201,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113585,"usec":136141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567157,"noise_level":-22.305767,"freq_skew":3.095936,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113586,"usec":663489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.562601,"noise_level":-23.101402,"freq_skew":5.278711,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113587,"usec":407428},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598572,"noise_level":-22.917166,"freq_skew":4.131501,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4698,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113587,"usec":407772},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.944661,"noise_level":-22.917166,"freq_skew":5.200418,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSL","mode":"2","label":"35","blk_id":"8","ack":"!","flight":"SN07LF","msg_num":"M14","msg_num_seq":"A","msg_text":"MPL/SN2646/Z,SN2645"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113588,"usec":961245},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377915,"noise_level":-22.386814,"freq_skew":5.179572,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113588,"usec":977875},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904207,"noise_level":-22.194593,"freq_skew":4.626966,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":27,"dst_ref":48354,"variable_part_params":[{"name":"checksum","value":[114,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113591,"usec":247167},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.956161,"noise_level":-21.612175,"freq_skew":2.937272,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42853,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[201,100,79,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42853,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[205,116,95,217]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":6,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113591,"usec":257120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423675,"noise_level":-21.508224,"freq_skew":4.326499,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113591,"usec":260320},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690001,"noise_level":-21.466990,"freq_skew":3.100508,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46367,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[245,183,242,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113593,"usec":525213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385661,"noise_level":-22.582764,"freq_skew":4.575007,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113594,"usec":287887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.664089,"noise_level":-22.171667,"freq_skew":3.083921,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113596,"usec":609333},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684692,"noise_level":-22.524113,"freq_skew":3.133205,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113597,"usec":374898},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756771,"noise_level":-22.193640,"freq_skew":4.555753,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42964,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[106,207,186,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113597,"usec":375516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.377192,"noise_level":-22.542475,"freq_skew":4.786312,"avlc":{"src":{"addr":"4400B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113600,"usec":426363},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878479,"noise_level":-24.024515,"freq_skew":4.969857,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMT","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR03QH","msg_num":"M12","msg_num_seq":"A","msg_text":"110638,36008,1247, 128,N 46.413 E 10.829"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113601,"usec":176177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795878,"noise_level":-24.454464,"freq_skew":7.624328,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113601,"usec":956825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376426,"noise_level":-24.754622,"freq_skew":3.970543,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113604,"usec":259447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108270,"noise_level":-23.929806,"freq_skew":7.591382,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113605,"usec":6465},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.313222,"noise_level":-23.794310,"freq_skew":6.739733,"avlc":{"src":{"addr":"4853F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52381,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,39]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113605,"usec":774365},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217853,"noise_level":-24.407681,"freq_skew":4.117863,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113607,"usec":270817},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.655768,"noise_level":-23.944149,"freq_skew":4.011106,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48399,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[191,170]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113607,"usec":272110},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081880,"noise_level":-23.916836,"freq_skew":4.516783,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXW","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"KL070R","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113608,"usec":88840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286641,"noise_level":-23.504105,"freq_skew":4.904875,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113608,"usec":837225},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674392,"noise_level":-23.415260,"freq_skew":3.036154,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113608,"usec":862371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942033,"noise_level":-23.659819,"freq_skew":5.253591,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113611,"usec":886769},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193365,"noise_level":-22.555004,"freq_skew":3.157221,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[113,77,226,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113611,"usec":888849},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.494378,"noise_level":-22.844616,"freq_skew":4.093038,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9,"dst_ref":48399,"variable_part_params":[{"name":"checksum","value":[170,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113611,"usec":896460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.462741,"noise_level":-22.748734,"freq_skew":4.692619,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113613,"usec":384847},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361203,"noise_level":-23.068907,"freq_skew":5.381571,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113613,"usec":397695},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.023863,"noise_level":-23.039223,"freq_skew":4.193575,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43076,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[71,172]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":6,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113614,"usec":171389},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957343,"noise_level":-22.934320,"freq_skew":2.997073,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[113,77,226,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113614,"usec":930370},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225213,"noise_level":-22.684309,"freq_skew":4.254185,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[114,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113616,"usec":479492},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445757,"noise_level":-22.530674,"freq_skew":3.139184,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH03WR","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113616,"usec":486199},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709185,"noise_level":-22.461208,"freq_skew":3.417795,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222006","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,76,0,77,36,6,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113617,"usec":986895},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367465,"noise_level":-23.975929,"freq_skew":3.065302,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113618,"usec":5822},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996786,"noise_level":-24.877602,"freq_skew":4.006906,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35301,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[204,189,87,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113619,"usec":508763},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300427,"noise_level":-24.928249,"freq_skew":-0.535537,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[17,155,54,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113622,"usec":596161},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938184,"noise_level":-24.451305,"freq_skew":4.566909,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113626,"usec":399468},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859270,"noise_level":-24.341612,"freq_skew":3.163506,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":10.300000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113626,"usec":406282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721553,"noise_level":-24.270309,"freq_skew":4.929869,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113628,"usec":659399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139009,"noise_level":-26.164825,"freq_skew":3.648905,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113631,"usec":7952},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858346,"noise_level":-24.498455,"freq_skew":5.044169,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52661,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[71,83]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113631,"usec":752456},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853131,"noise_level":-24.239910,"freq_skew":4.972736,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,8,205,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":7,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113631,"usec":758059},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986466,"noise_level":-24.155409,"freq_skew":3.269260,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"7","ack":"E","flight":"LH03WR","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113633,"usec":272202},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040568,"noise_level":-23.612158,"freq_skew":4.021091,"avlc":{"src":{"addr":"4D2350","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4762,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113634,"usec":772815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171541,"noise_level":-23.261139,"freq_skew":4.838849,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113635,"usec":590046},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266608,"noise_level":-22.769562,"freq_skew":-0.369298,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[17,155,54,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113635,"usec":591097},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808197,"noise_level":-22.757624,"freq_skew":3.191936,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"8","ack":"F","flight":"LH03WR","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113637,"usec":859456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.009411,"noise_level":-25.230673,"freq_skew":4.191176,"avlc":{"src":{"addr":"4D2350","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113637,"usec":866381},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139234,"noise_level":-25.120342,"freq_skew":4.176171,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43076,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[155,117]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":7,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113638,"usec":625349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437652,"noise_level":-25.498236,"freq_skew":3.245592,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113640,"usec":150449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919378,"noise_level":-25.574986,"freq_skew":3.349391,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113642,"usec":455854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.485371,"noise_level":-25.703373,"freq_skew":4.026174,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113642,"usec":456491},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016307,"noise_level":-25.703373,"freq_skew":4.928699,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52661,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,95]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":7,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113642,"usec":473685},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766025,"noise_level":-25.439438,"freq_skew":3.520897,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":28,"dst_ref":42930,"variable_part_params":[{"name":"checksum","value":[35,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113643,"usec":214340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.730843,"noise_level":-25.374689,"freq_skew":3.003673,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113643,"usec":975028},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741540,"noise_level":-25.064056,"freq_skew":5.057252,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52661,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113643,"usec":995232},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978992,"noise_level":-25.543625,"freq_skew":4.985012,"avlc":{"src":{"addr":"48C220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":29,"dst_ref":52661,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[205,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113646,"usec":254405},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731819,"noise_level":-24.638702,"freq_skew":5.135466,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113647,"usec":766031},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789029,"noise_level":-24.527319,"freq_skew":3.151135,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LS0003","msg_num":"M93","msg_num_seq":"A","msg_text":"0E21107272/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":7,"sec":27}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113648,"usec":537520},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641802,"noise_level":-23.988514,"freq_skew":7.686744,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[57,233]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113649,"usec":331878},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029963,"noise_level":-23.784702,"freq_skew":2.905941,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113649,"usec":331878},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.029963,"noise_level":-23.784702,"freq_skew":2.905941,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113650,"usec":869743},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909569,"noise_level":-23.381693,"freq_skew":3.162101,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113651,"usec":628353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771820,"noise_level":-23.222641,"freq_skew":4.695503,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113652,"usec":370498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854726,"noise_level":-23.134972,"freq_skew":2.992858,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113654,"usec":654649},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169284,"noise_level":-22.937765,"freq_skew":3.279492,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113654,"usec":669216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827834,"noise_level":-22.756935,"freq_skew":5.026580,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113655,"usec":444601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633898,"noise_level":-22.764578,"freq_skew":2.179264,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113658,"usec":498084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711138,"noise_level":-22.502781,"freq_skew":3.936700,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113659,"usec":255904},"freq":136975000,"burst_len_octets":121,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803987,"noise_level":-22.139702,"freq_skew":3.205625,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH03WR","msg_num":"D00","msg_num_seq":"G","sublabel":"DF","msg_text":"VN214,N492,06816,01792,197,198,196,0/2X2501,00000,079,011,039,038,007,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113659,"usec":999104},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995529,"noise_level":-22.018318,"freq_skew":5.229815,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113662,"usec":345245},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537417,"noise_level":-22.134693,"freq_skew":4.913270,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSL","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"SN07LF","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113662,"usec":345245},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.537417,"noise_level":-22.134693,"freq_skew":4.913270,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21147154","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,206,108,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113663,"usec":839566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666702,"noise_level":-21.733196,"freq_skew":5.060170,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSL","mode":"2","label":"_d","blk_id":"4","ack":"M","flight":"SN07LF","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113666,"usec":132105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.874681,"noise_level":-21.787769,"freq_skew":6.292509,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113666,"usec":885510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779371,"noise_level":-21.608229,"freq_skew":4.790253,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113669,"usec":982016},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749550,"noise_level":-22.337618,"freq_skew":4.754639,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48477,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[104,35,124,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113675,"usec":282009},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.879048,"noise_level":-20.916992,"freq_skew":3.459758,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH01UL","msg_num":"D42","msg_num_seq":"I","sublabel":"DF","msg_text":"222,0/2X3481,00000,027,016,025,033,011,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113678,"usec":350047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.258159,"noise_level":-20.766832,"freq_skew":5.183112,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113678,"usec":368741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.253107,"noise_level":-20.588409,"freq_skew":4.230749,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113679,"usec":124548},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647573,"noise_level":-20.690386,"freq_skew":3.368485,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":400,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113683,"usec":733974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348547,"noise_level":-20.377806,"freq_skew":2.916803,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113684,"usec":471828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395059,"noise_level":-20.332563,"freq_skew":3.505179,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113685,"usec":231741},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.262334,"noise_level":-20.806227,"freq_skew":6.550493,"avlc":{"src":{"addr":"4CAD2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":87,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[28,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":7,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113686,"usec":758936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843545,"noise_level":-20.324245,"freq_skew":3.934388,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113690,"usec":582306},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.756450,"noise_level":-19.445580,"freq_skew":6.940352,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[145,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113690,"usec":595537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536294,"noise_level":-19.372547,"freq_skew":3.978897,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113692,"usec":124970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.024002,"noise_level":-19.389523,"freq_skew":3.059630,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113692,"usec":877713},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.230827,"noise_level":-20.067295,"freq_skew":3.194174,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":10.500000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113692,"usec":877713},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.230827,"noise_level":-20.067295,"freq_skew":3.194174,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-NEE","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"KMM395","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113693,"usec":649963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642246,"noise_level":-19.817766,"freq_skew":1.323905,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113694,"usec":381666},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.794360,"noise_level":-19.910238,"freq_skew":3.045175,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-NEE","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"KMM395","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113694,"usec":383409},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813799,"noise_level":-19.901646,"freq_skew":1.333499,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAD","mode":"2","label":"_d","blk_id":"7","ack":"N","flight":"DE04ZL","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113695,"usec":131610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908659,"noise_level":-20.785366,"freq_skew":3.171093,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113697,"usec":475812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613264,"noise_level":-20.144070,"freq_skew":5.269468,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113700,"usec":499569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.677892,"noise_level":-20.087805,"freq_skew":5.246135,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3866,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113702,"usec":825899},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139184,"noise_level":-19.396564,"freq_skew":4.801255,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113703,"usec":590243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995884,"noise_level":-19.148932,"freq_skew":3.381617,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113708,"usec":887685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311288,"noise_level":-17.979181,"freq_skew":7.482259,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113709,"usec":695470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.493966,"noise_level":-18.271095,"freq_skew":4.413286,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113712,"usec":744144},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.148851,"noise_level":-17.666607,"freq_skew":-0.287151,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113712,"usec":744144},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.148851,"noise_level":-17.666607,"freq_skew":-0.287151,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42975,"credit":4,"rseq":14,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[192,34,219,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113714,"usec":257306},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807368,"noise_level":-17.366425,"freq_skew":5.292089,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":379,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113715,"usec":19139},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.721447,"noise_level":-17.828672,"freq_skew":-0.402092,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113715,"usec":22136},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.549334,"noise_level":-17.815153,"freq_skew":1.977882,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113716,"usec":526517},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.034108,"noise_level":-18.753387,"freq_skew":4.329174,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48498,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[13,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113717,"usec":349354},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546012,"noise_level":-18.442961,"freq_skew":5.044850,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[34,222]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113718,"usec":106679},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987988,"noise_level":-19.255711,"freq_skew":5.227188,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3867,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113720,"usec":374637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.064730,"noise_level":-18.900658,"freq_skew":5.082548,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113721,"usec":151184},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.533004,"noise_level":-19.485556,"freq_skew":5.484750,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614346","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,67,72,0,75,24,230,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113722,"usec":656234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.287199,"noise_level":-20.014603,"freq_skew":2.724588,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113723,"usec":452602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.730004,"noise_level":-20.247185,"freq_skew":5.217483,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113724,"usec":211832},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.512692,"noise_level":-20.000492,"freq_skew":4.055173,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113724,"usec":219253},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.258998,"noise_level":-19.931276,"freq_skew":5.169823,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113725,"usec":751279},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.934415,"noise_level":-20.190712,"freq_skew":3.858356,"avlc":{"src":{"addr":"4B1950","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113730,"usec":334986},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.776505,"noise_level":-19.661169,"freq_skew":-0.218947,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113732,"usec":595237},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816619,"noise_level":-19.048416,"freq_skew":5.068228,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48490,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,110,236,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113734,"usec":119284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313679,"noise_level":-19.757408,"freq_skew":3.216488,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"LH08XM","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113734,"usec":886457},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268273,"noise_level":-19.959454,"freq_skew":5.724188,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LIRA"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":5.900000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113734,"usec":887206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943116,"noise_level":-20.966431,"freq_skew":7.660424,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113736,"usec":405525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504053,"noise_level":-20.612669,"freq_skew":5.959257,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBY","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR598Z","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113737,"usec":213690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507837,"noise_level":-21.115713,"freq_skew":5.869071,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113739,"usec":469811},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.898578,"noise_level":-20.505552,"freq_skew":-0.352198,"avlc":{"src":{"addr":"4BCE46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113739,"usec":470671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182839,"noise_level":-20.496349,"freq_skew":5.762534,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113740,"usec":230671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.924250,"noise_level":-21.096195,"freq_skew":3.969635,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113741,"usec":4170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891901,"noise_level":-22.044140,"freq_skew":4.667863,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113741,"usec":766487},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698315,"noise_level":-21.784286,"freq_skew":4.646360,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":371,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113741,"usec":766981},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900828,"noise_level":-22.496616,"freq_skew":5.119029,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3867,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113742,"usec":508487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231645,"noise_level":-22.427422,"freq_skew":4.096014,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113742,"usec":522292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953466,"noise_level":-22.279366,"freq_skew":4.820717,"avlc":{"src":{"addr":"4CAED8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113742,"usec":526604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409546,"noise_level":-22.245552,"freq_skew":3.786002,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113745,"usec":606762},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752336,"noise_level":-21.217720,"freq_skew":3.877827,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":7.700000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113745,"usec":613904},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.792693,"noise_level":-21.157969,"freq_skew":3.836005,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113746,"usec":363153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.526752,"noise_level":-20.990864,"freq_skew":2.466551,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113747,"usec":104406},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.150363,"noise_level":-20.874815,"freq_skew":5.167219,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60142,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,232,236,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113747,"usec":874739},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757663,"noise_level":-22.515625,"freq_skew":3.931235,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113748,"usec":643717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336993,"noise_level":-23.074471,"freq_skew":3.973502,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113752,"usec":472094},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023198,"noise_level":-24.735186,"freq_skew":4.047067,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[214,102]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113752,"usec":472678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589033,"noise_level":-24.735186,"freq_skew":3.380266,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113753,"usec":993609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844484,"noise_level":-24.718187,"freq_skew":4.984324,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113754,"usec":763861},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599295,"noise_level":-24.280794,"freq_skew":5.055899,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48490,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[47,184,133,200]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[210,118,147,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":9,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113757,"usec":66311},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537759,"noise_level":-23.707848,"freq_skew":4.068579,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113760,"usec":863144},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713997,"noise_level":-22.361376,"freq_skew":5.250026,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,208,33,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":9,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113761,"usec":624886},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685835,"noise_level":-22.103064,"freq_skew":5.102257,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3871,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60167,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[58,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":9,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113763,"usec":176032},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240910,"noise_level":-21.649918,"freq_skew":4.944754,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113763,"usec":945285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174142,"noise_level":-21.863712,"freq_skew":5.364340,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113763,"usec":963166},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348175,"noise_level":-21.682610,"freq_skew":4.924371,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113766,"usec":235805},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209223,"noise_level":-21.611065,"freq_skew":4.685839,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"5Y9080","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113766,"usec":989114},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553888,"noise_level":-21.384022,"freq_skew":5.106355,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[249,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113766,"usec":995218},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858064,"noise_level":-22.528320,"freq_skew":3.153145,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH03WR","msg_num":"M30","msg_num_seq":"A","msg_text":"00024214700EDDM,,,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113767,"usec":739268},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468466,"noise_level":-23.037727,"freq_skew":7.424512,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[57,233]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113768,"usec":505041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801390,"noise_level":-23.635098,"freq_skew":3.217109,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113770,"usec":808337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.418132,"noise_level":-22.745087,"freq_skew":4.570300,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"5Y9080","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113770,"usec":809523},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.521313,"noise_level":-22.697561,"freq_skew":0.811383,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54585,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,75,230,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":9,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113773,"usec":101997},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.477116,"noise_level":-21.787170,"freq_skew":3.999192,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113773,"usec":107258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439095,"noise_level":-21.733986,"freq_skew":2.189333,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113773,"usec":861321},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.937057,"noise_level":-22.576004,"freq_skew":0.869323,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54585,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[209,34,101,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113774,"usec":621048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.656772,"noise_level":-22.918465,"freq_skew":0.662108,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113776,"usec":883664},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562833,"noise_level":-22.559959,"freq_skew":3.943125,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":83,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113776,"usec":884723},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868007,"noise_level":-22.536663,"freq_skew":4.961964,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":10.700000},"alt":36000}},{"name":"alternate_ground_stations","value":["109ACA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113777,"usec":690211},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737761,"noise_level":-22.398190,"freq_skew":2.285557,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113778,"usec":464283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432439,"noise_level":-21.973707,"freq_skew":4.901962,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113779,"usec":208062},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828508,"noise_level":-22.517372,"freq_skew":4.957289,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMT","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR03QH","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113779,"usec":216919},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814137,"noise_level":-22.709850,"freq_skew":3.412555,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"9","ack":"L","flight":"LH03WR","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113779,"usec":980950},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769744,"noise_level":-23.028276,"freq_skew":4.699309,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N481MC","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"5Y9080","msg_num":"C22","msg_num_seq":"A","sublabel":"CF","msg_text":"/BLVBOCR.\r\n\n\n\n A RPT15 PG1 L-ELECTRICAL REAL\r\n B N481MC 15JUL26 1109 GTI9080 ETAR/KBWI 685-2270-012 GE-508 ER\r\n\r\n\r\n 1 3 0 115 115 115 115 0 2\r\n 2 0 0 400 400 400 400 0 0\r\n 3 0.00 0.00 0."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113779,"usec":995331},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765726,"noise_level":-22.857632,"freq_skew":2.383113,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113781,"usec":498355},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.785954,"noise_level":-22.526077,"freq_skew":0.615607,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113783,"usec":803782},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656151,"noise_level":-22.336365,"freq_skew":3.679884,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60175,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[243,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113785,"usec":318120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.308504,"noise_level":-22.665993,"freq_skew":0.420888,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113785,"usec":318230},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684761,"noise_level":-22.665993,"freq_skew":3.900754,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":83,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113786,"usec":103603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.663394,"noise_level":-23.037012,"freq_skew":0.938453,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113787,"usec":607681},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.525124,"noise_level":-22.511101,"freq_skew":0.627311,"avlc":{"src":{"addr":"4D2139","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113787,"usec":625683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305715,"noise_level":-22.338852,"freq_skew":4.808234,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113788,"usec":362968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.463868,"noise_level":-22.259624,"freq_skew":5.053699,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113789,"usec":124121},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.370033,"noise_level":-21.938881,"freq_skew":4.000499,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113790,"usec":684816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.233301,"noise_level":-21.404957,"freq_skew":2.064937,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113792,"usec":216413},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728227,"noise_level":-21.466930,"freq_skew":1.852717,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":355,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":9,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113794,"usec":501784},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141509,"noise_level":-21.568848,"freq_skew":3.984549,"avlc":{"src":{"addr":"4D242F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":693,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113796,"usec":43},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.561279,"noise_level":-21.182173,"freq_skew":4.832876,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[26,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113796,"usec":775802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471975,"noise_level":-20.783415,"freq_skew":3.795357,"avlc":{"src":{"addr":"3009B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113799,"usec":81056},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.581292,"noise_level":-21.052666,"freq_skew":2.631504,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113799,"usec":82357},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459731,"noise_level":-21.042866,"freq_skew":2.299586,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113800,"usec":589936},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682909,"noise_level":-21.444210,"freq_skew":1.058299,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113801,"usec":362225},"freq":136975000,"burst_len_octets":160,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912177,"noise_level":-22.095621,"freq_skew":4.700950,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"5Y9080","msg_num":"C24","msg_num_seq":"C","sublabel":"CF","msg_text":" 0\r\n 13 700 AUTO 8.6\r\n 14 0.16 0.15\r\n 15 AUTO AUTO\r\n 16 15JUL26 11:09:47\r\n 17 \r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113803,"usec":678620},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230950,"noise_level":-22.942516,"freq_skew":4.996053,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113804,"usec":437704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.873462,"noise_level":-23.046627,"freq_skew":5.786767,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113804,"usec":441564},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.942060,"noise_level":-23.009701,"freq_skew":3.004036,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[198,26,21,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113805,"usec":213637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126038,"noise_level":-23.120260,"freq_skew":4.560863,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113805,"usec":953517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.531816,"noise_level":-22.996738,"freq_skew":3.019790,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113806,"usec":740257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483938,"noise_level":-22.427124,"freq_skew":5.719235,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113807,"usec":477190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941772,"noise_level":-22.290373,"freq_skew":5.070984,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113807,"usec":492099},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.813483,"noise_level":-22.166880,"freq_skew":5.222973,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,19,143,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":10,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113808,"usec":233553},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276213,"noise_level":-22.417105,"freq_skew":3.803563,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[95,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113808,"usec":987315},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.558157,"noise_level":-22.134914,"freq_skew":4.221872,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43076,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[119,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":10,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113809,"usec":638},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006173,"noise_level":-21.991720,"freq_skew":5.143377,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[15,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113810,"usec":508530},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197270,"noise_level":-22.359776,"freq_skew":4.020289,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113810,"usec":518034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.420399,"noise_level":-23.264698,"freq_skew":3.449119,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113811,"usec":307244},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645291,"noise_level":-23.201683,"freq_skew":5.344842,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,19,143,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":10,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113811,"usec":332480},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800614,"noise_level":-22.917557,"freq_skew":5.316904,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113812,"usec":851445},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168506,"noise_level":-23.115780,"freq_skew":4.026755,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[91,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113814,"usec":362259},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085781,"noise_level":-22.573532,"freq_skew":4.948874,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614346","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,67,72,0,75,24,230,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113814,"usec":365012},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660587,"noise_level":-22.550203,"freq_skew":5.058969,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113815,"usec":95120},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386324,"noise_level":-22.457497,"freq_skew":5.265476,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XA0001","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113815,"usec":96097},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185452,"noise_level":-22.422989,"freq_skew":3.264989,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.300000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113815,"usec":877883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278761,"noise_level":-22.063160,"freq_skew":3.319312,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LS0003","msg_num":"M94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113815,"usec":878613},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491056,"noise_level":-22.063160,"freq_skew":5.342083,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48490,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[47,31,28,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113815,"usec":880865},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.474720,"noise_level":-22.636719,"freq_skew":3.928530,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113816,"usec":634512},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928194,"noise_level":-23.222000,"freq_skew":5.242554,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113817,"usec":383395},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427979,"noise_level":-23.035219,"freq_skew":5.045909,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVP","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR02CL","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113817,"usec":391903},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.077963,"noise_level":-22.937220,"freq_skew":4.009128,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43076,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[147,212]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":10,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113818,"usec":183548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782699,"noise_level":-22.756401,"freq_skew":4.978585,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113818,"usec":201116},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528113,"noise_level":-22.567587,"freq_skew":3.959015,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48498,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[195,49]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113818,"usec":947666},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041069,"noise_level":-22.708406,"freq_skew":5.216303,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113818,"usec":955052},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.763920,"noise_level":-22.637510,"freq_skew":5.198377,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113818,"usec":974013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.041482,"noise_level":-22.943018,"freq_skew":3.983395,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113820,"usec":456060},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341172,"noise_level":-22.619993,"freq_skew":5.865496,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ZSPD"},{"name":"ac_location","value":{"loc":{"lat":46.000000,"lon":11.000000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113820,"usec":456060},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.341172,"noise_level":-22.619993,"freq_skew":5.865496,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-30CW","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"MU0250","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113820,"usec":456060},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.341172,"noise_level":-22.619993,"freq_skew":5.865496,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36014130","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,69,83,0,120,24,88,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113820,"usec":467942},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541903,"noise_level":-22.503338,"freq_skew":5.034431,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113821,"usec":236670},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455685,"noise_level":-22.897972,"freq_skew":5.122738,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":6.100000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113821,"usec":976178},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952098,"noise_level":-23.351093,"freq_skew":3.642074,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113821,"usec":978339},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559992,"noise_level":-23.325579,"freq_skew":5.148917,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"BA0906","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113822,"usec":729379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610904,"noise_level":-22.990932,"freq_skew":5.002120,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113823,"usec":504566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.385404,"noise_level":-23.611755,"freq_skew":5.847330,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113824,"usec":254249},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076356,"noise_level":-23.390791,"freq_skew":3.418748,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"UA","pf":true,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113824,"usec":268006},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303601,"noise_level":-23.212948,"freq_skew":5.806701,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113824,"usec":274895},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720398,"noise_level":-23.137833,"freq_skew":4.953211,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[200,96]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113825,"usec":62326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.382733,"noise_level":-23.465357,"freq_skew":5.937841,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113826,"usec":576784},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080308,"noise_level":-22.913689,"freq_skew":5.047539,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113827,"usec":338635},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.681303,"noise_level":-24.216747,"freq_skew":5.654799,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113830,"usec":366009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649012,"noise_level":-22.788338,"freq_skew":5.714629,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113831,"usec":176951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713292,"noise_level":-23.210537,"freq_skew":5.909626,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113831,"usec":942200},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920733,"noise_level":-24.023743,"freq_skew":5.116464,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113832,"usec":697780},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.249609,"noise_level":-23.751955,"freq_skew":3.868852,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43076,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[83,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113836,"usec":512070},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835897,"noise_level":-23.342278,"freq_skew":3.125275,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"XA0145","msg_num":"M83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113837,"usec":249827},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323282,"noise_level":-24.020321,"freq_skew":2.243348,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113837,"usec":254393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730790,"noise_level":-23.951599,"freq_skew":5.325182,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":42,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113838,"usec":50431},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766544,"noise_level":-23.695312,"freq_skew":5.064089,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3876,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113838,"usec":61453},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.713930,"noise_level":-23.602762,"freq_skew":5.148225,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113839,"usec":574590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273645,"noise_level":-23.279325,"freq_skew":2.429327,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113842,"usec":628041},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352479,"noise_level":-22.505713,"freq_skew":3.842285,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":9.800000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113843,"usec":388704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337747,"noise_level":-23.156097,"freq_skew":4.964589,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113844,"usec":142815},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538703,"noise_level":-23.293276,"freq_skew":5.483828,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1076,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48324,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[65,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113844,"usec":942414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.811331,"noise_level":-24.026281,"freq_skew":5.878944,"avlc":{"src":{"addr":"781858","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113845,"usec":710488},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645587,"noise_level":-23.451946,"freq_skew":5.078762,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113845,"usec":711337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888051,"noise_level":-24.216640,"freq_skew":5.050590,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113850,"usec":239978},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836362,"noise_level":-24.684959,"freq_skew":1.192489,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":322,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113850,"usec":250163},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549170,"noise_level":-25.355427,"freq_skew":5.482746,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48324,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[242,231]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113850,"usec":254602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978793,"noise_level":-25.291300,"freq_skew":4.949876,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113850,"usec":263932},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449224,"noise_level":-25.195984,"freq_skew":3.112638,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"_d","blk_id":"7","ack":"F","flight":"XA0145","msg_num":"M85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113852,"usec":568211},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730297,"noise_level":-24.875690,"freq_skew":5.551851,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113852,"usec":568871},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503300,"noise_level":-25.467117,"freq_skew":5.124999,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113853,"usec":340333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590791,"noise_level":-25.678139,"freq_skew":5.270630,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113854,"usec":859435},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585358,"noise_level":-25.019070,"freq_skew":5.309612,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113857,"usec":121942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489004,"noise_level":-23.970425,"freq_skew":3.225950,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113857,"usec":927263},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328766,"noise_level":-25.196888,"freq_skew":5.208769,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113858,"usec":698589},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.808855,"noise_level":-24.675634,"freq_skew":5.138090,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":10,"dst_ref":48324,"variable_part_params":[{"name":"checksum","value":[107,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113859,"usec":445249},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817042,"noise_level":-25.650043,"freq_skew":5.493595,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1081,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54664,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[14,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113860,"usec":192672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227534,"noise_level":-25.772022,"freq_skew":5.003113,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113860,"usec":956233},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416835,"noise_level":-25.279779,"freq_skew":5.353424,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1082,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54664,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[10,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113861,"usec":723095},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756352,"noise_level":-25.564211,"freq_skew":5.420082,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1083,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54664,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[137,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":10,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113862,"usec":472939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759069,"noise_level":-25.193146,"freq_skew":5.326162,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113862,"usec":487971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330458,"noise_level":-24.990219,"freq_skew":3.425347,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113862,"usec":499201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591862,"noise_level":-24.822140,"freq_skew":5.443700,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113863,"usec":234395},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166168,"noise_level":-24.935770,"freq_skew":3.875211,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGH","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR02YR","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113863,"usec":989364},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518404,"noise_level":-24.443989,"freq_skew":3.664603,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113867,"usec":87006},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875205,"noise_level":-24.833944,"freq_skew":5.392860,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2089,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35232,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[199,57]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113867,"usec":89977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261390,"noise_level":-24.788601,"freq_skew":3.643774,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113870,"usec":113480},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588135,"noise_level":-24.630901,"freq_skew":3.583034,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42989,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[175,18]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":11,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113870,"usec":870529},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843266,"noise_level":-25.093803,"freq_skew":4.488720,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113872,"usec":456572},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.074827,"noise_level":-24.865103,"freq_skew":5.276948,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43143,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[37,93]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":11,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113876,"usec":244131},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046342,"noise_level":-23.547211,"freq_skew":3.250772,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LS0003","msg_num":"M95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113877,"usec":13840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088481,"noise_level":-24.474949,"freq_skew":4.902822,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113877,"usec":764876},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539949,"noise_level":-24.146803,"freq_skew":3.813256,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42989,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[229,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113878,"usec":567087},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682692,"noise_level":-23.817116,"freq_skew":5.446558,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2089,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35232,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[199,57]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113878,"usec":571377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940595,"noise_level":-23.736610,"freq_skew":5.290507,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113879,"usec":312347},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783082,"noise_level":-23.683353,"freq_skew":5.136891,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[245,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113879,"usec":332632},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853652,"noise_level":-23.447657,"freq_skew":5.044465,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60167,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[176,101]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":11,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113880,"usec":76104},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840321,"noise_level":-23.203114,"freq_skew":5.051958,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":21,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[92,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113880,"usec":833838},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.443175,"noise_level":-23.053688,"freq_skew":5.808403,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113880,"usec":847948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094056,"noise_level":-23.665737,"freq_skew":5.130823,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113881,"usec":609172},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.328272,"noise_level":-23.315243,"freq_skew":5.468503,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48490,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[132,235,78,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113883,"usec":130725},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866367,"noise_level":-22.750832,"freq_skew":2.685832,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48499,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[157,133,135,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113889,"usec":224397},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715885,"noise_level":-22.223608,"freq_skew":4.833755,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[7,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113889,"usec":235702},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678571,"noise_level":-22.112125,"freq_skew":3.529652,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113890,"usec":730313},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320759,"noise_level":-21.669437,"freq_skew":1.889488,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWM","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"LH09HE","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113890,"usec":732793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913698,"noise_level":-21.696234,"freq_skew":5.712457,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113891,"usec":556898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626679,"noise_level":-21.477272,"freq_skew":2.476691,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113891,"usec":569217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.706779,"noise_level":-21.314072,"freq_skew":4.136046,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113892,"usec":299677},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.063093,"noise_level":-21.399292,"freq_skew":2.758200,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113893,"usec":817839},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022121,"noise_level":-21.011177,"freq_skew":2.697307,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48499,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[102,241,180,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113894,"usec":584832},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594254,"noise_level":-20.799101,"freq_skew":3.398054,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6337,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113895,"usec":361825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866138,"noise_level":-22.358517,"freq_skew":4.374952,"avlc":{"src":{"addr":"4BCD81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113896,"usec":861070},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956531,"noise_level":-22.117123,"freq_skew":4.370952,"avlc":{"src":{"addr":"4BCD81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113897,"usec":631177},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573263,"noise_level":-21.936121,"freq_skew":4.895605,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[48,203]},{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113898,"usec":439029},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766130,"noise_level":-22.208891,"freq_skew":2.568402,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113899,"usec":937727},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703217,"noise_level":-22.587414,"freq_skew":4.735274,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDSB"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":9.100000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113899,"usec":958407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606812,"noise_level":-22.367908,"freq_skew":5.117773,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113901,"usec":457896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825303,"noise_level":-22.919975,"freq_skew":4.870430,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113902,"usec":220624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708555,"noise_level":-22.539415,"freq_skew":3.335554,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LS0003","msg_num":"M96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113902,"usec":980769},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835814,"noise_level":-22.723511,"freq_skew":5.274364,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[241,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113904,"usec":515377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724272,"noise_level":-22.842081,"freq_skew":8.896148,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113906,"usec":819819},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.914696,"noise_level":-23.067223,"freq_skew":3.664407,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113906,"usec":830412},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694169,"noise_level":-23.732738,"freq_skew":4.913481,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[7,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113907,"usec":585902},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948439,"noise_level":-23.405256,"freq_skew":5.010464,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[241,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113909,"usec":99152},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722540,"noise_level":-22.845215,"freq_skew":4.935989,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113913,"usec":710768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600417,"noise_level":-21.015348,"freq_skew":5.234861,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113915,"usec":211493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637198,"noise_level":-20.840916,"freq_skew":4.080659,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113917,"usec":508898},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.058906,"noise_level":-20.313766,"freq_skew":5.045993,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614346","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,67,72,0,75,24,230,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113919,"usec":834504},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537597,"noise_level":-20.044102,"freq_skew":5.018793,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113922,"usec":88179},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.992120,"noise_level":-21.252548,"freq_skew":5.148306,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLE","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XA0001","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113922,"usec":870131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212395,"noise_level":-20.850622,"freq_skew":4.735965,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113926,"usec":684079},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491791,"noise_level":-20.681282,"freq_skew":5.104039,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNZ","mode":"2","label":"15","blk_id":"2","ack":"!","flight":"BA0906","msg_num":"M25","msg_num_seq":"A","msg_text":"FST01EGLLEDDFN50380E0065385240 32 22 52270 475 11391112"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113927,"usec":439887},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713933,"noise_level":-20.578547,"freq_skew":5.152165,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[231,45]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113927,"usec":440423},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.581407,"noise_level":-20.569267,"freq_skew":5.048378,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60142,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,232,236,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113928,"usec":966046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778305,"noise_level":-20.064838,"freq_skew":5.134435,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113934,"usec":330369},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445866,"noise_level":-19.896658,"freq_skew":4.901935,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[105,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113935,"usec":857857},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604245,"noise_level":-20.308201,"freq_skew":4.740613,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42860,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,109]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":11,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113937,"usec":371203},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583348,"noise_level":-21.456955,"freq_skew":5.417367,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":15,"variable_part_params":[{"name":"checksum","value":[98,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113938,"usec":117365},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672205,"noise_level":-21.334553,"freq_skew":4.849574,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[105,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113938,"usec":133968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385761,"noise_level":-22.199146,"freq_skew":5.086334,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113939,"usec":677284},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.551887,"noise_level":-21.805416,"freq_skew":5.916965,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113939,"usec":687830},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.137926,"noise_level":-21.699141,"freq_skew":5.828302,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":367,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113939,"usec":690795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600787,"noise_level":-21.656990,"freq_skew":4.854487,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113941,"usec":207450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253579,"noise_level":-22.369883,"freq_skew":5.152905,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113944,"usec":245916},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502397,"noise_level":-21.907734,"freq_skew":3.519395,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113944,"usec":992133},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369037,"noise_level":-22.459240,"freq_skew":6.795814,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[57,233]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113945,"usec":786423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-18.441275,"noise_level":-22.633085,"freq_skew":3.723882,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113945,"usec":805846},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.360013,"noise_level":-22.412436,"freq_skew":3.787203,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR02YR","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113946,"usec":551799},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601702,"noise_level":-23.272762,"freq_skew":4.657671,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[105,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113946,"usec":555424},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492103,"noise_level":-24.193871,"freq_skew":3.908181,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126672","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,186,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113947,"usec":302874},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961354,"noise_level":-24.012772,"freq_skew":3.235371,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LS0003","msg_num":"M96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113947,"usec":325235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811879,"noise_level":-23.768085,"freq_skew":3.878040,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113948,"usec":87730},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409146,"noise_level":-25.278833,"freq_skew":4.781453,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLO","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"ZD0721","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113949,"usec":591216},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857562,"noise_level":-24.947582,"freq_skew":3.159671,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LS0003","msg_num":"M97","msg_num_seq":"A","msg_text":"0E21112282/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":12,"sec":28}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113949,"usec":600204},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688549,"noise_level":-26.330090,"freq_skew":5.031168,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60167,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[204,88]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113951,"usec":96037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.718051,"noise_level":-25.654936,"freq_skew":4.995779,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113951,"usec":861069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125844,"noise_level":-25.216480,"freq_skew":2.986123,"avlc":{"src":{"addr":"4D24BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113951,"usec":871530},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.402789,"noise_level":-25.686981,"freq_skew":3.440222,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113954,"usec":195771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783232,"noise_level":-25.636852,"freq_skew":3.589167,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113954,"usec":953328},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201115,"noise_level":-26.452944,"freq_skew":5.195774,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1085,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54664,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[248,198]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113959,"usec":544156},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073535,"noise_level":-24.114620,"freq_skew":5.057083,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":331,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113964,"usec":112357},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817388,"noise_level":-22.217461,"freq_skew":5.848692,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48445,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[246,66]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":12,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113964,"usec":855898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785302,"noise_level":-22.094992,"freq_skew":6.933482,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113965,"usec":627245},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886439,"noise_level":-21.663668,"freq_skew":5.307992,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60167,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[9,11]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":12,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113966,"usec":422159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836949,"noise_level":-21.527977,"freq_skew":6.029041,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113968,"usec":708122},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651934,"noise_level":-22.186632,"freq_skew":5.210649,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113970,"usec":984889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012881,"noise_level":-22.400265,"freq_skew":3.086782,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113971,"usec":754961},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650455,"noise_level":-22.008457,"freq_skew":0.909893,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-CXA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"XR004M","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113972,"usec":513751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660469,"noise_level":-21.739037,"freq_skew":1.016073,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113974,"usec":57419},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600161,"noise_level":-23.948215,"freq_skew":4.972446,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[133,109]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113974,"usec":59012},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.087483,"noise_level":-23.934540,"freq_skew":6.171486,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48445,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[120,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":12,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113974,"usec":71326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130506,"noise_level":-23.772114,"freq_skew":5.372806,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113975,"usec":575418},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.580040,"noise_level":-23.667015,"freq_skew":4.078608,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCHRG","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"GS0000","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113975,"usec":585610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964834,"noise_level":-24.041986,"freq_skew":6.042476,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113976,"usec":325964},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.883589,"noise_level":-23.823429,"freq_skew":5.914754,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48445,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[251,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113977,"usec":847579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122762,"noise_level":-23.610344,"freq_skew":4.356480,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113977,"usec":855877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579799,"noise_level":-23.505678,"freq_skew":5.795953,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48445,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[65,182]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113979,"usec":428687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708195,"noise_level":-24.355240,"freq_skew":1.171888,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113979,"usec":432712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762415,"noise_level":-25.399242,"freq_skew":5.758968,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113980,"usec":162485},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446300,"noise_level":-25.239000,"freq_skew":6.017114,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":22,"dst_ref":48445,"variable_part_params":[{"name":"checksum","value":[97,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113980,"usec":933921},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597425,"noise_level":-24.790354,"freq_skew":4.977959,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":23,"dst_ref":60167,"variable_part_params":[{"name":"checksum","value":[95,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113980,"usec":947720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801728,"noise_level":-24.596519,"freq_skew":5.102004,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113983,"usec":222174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297425,"noise_level":-24.009182,"freq_skew":4.102126,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113983,"usec":957991},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271713,"noise_level":-24.562988,"freq_skew":5.179622,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[136,47,167,78]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":13,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113988,"usec":566479},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.376457,"noise_level":-24.479742,"freq_skew":4.811328,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":15,"variable_part_params":[{"name":"checksum","value":[43,205]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113988,"usec":580841},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.509520,"noise_level":-24.292645,"freq_skew":4.914328,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113990,"usec":96650},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087616,"noise_level":-23.727661,"freq_skew":1.405016,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNN","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"LH03HE","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113990,"usec":842599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518154,"noise_level":-23.634769,"freq_skew":3.806697,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113990,"usec":862685},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559972,"noise_level":-23.349129,"freq_skew":5.472285,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113993,"usec":918889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.864951,"noise_level":-24.134741,"freq_skew":4.003043,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113997,"usec":717056},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798981,"noise_level":-23.284380,"freq_skew":2.233814,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48499,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,190,230,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113997,"usec":717056},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.798981,"noise_level":-23.284380,"freq_skew":2.233814,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48499,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,195,46,151]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":13,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784113998,"usec":493639},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688082,"noise_level":-23.492737,"freq_skew":2.342251,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114000,"usec":47671},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322074,"noise_level":-23.000515,"freq_skew":3.875786,"avlc":{"src":{"addr":"4CAE5A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48498,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[249,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114001,"usec":562351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.699293,"noise_level":-23.182091,"freq_skew":5.260302,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114003,"usec":856475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733715,"noise_level":-22.536003,"freq_skew":3.633592,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114006,"usec":122019},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917028,"noise_level":-22.170719,"freq_skew":5.093979,"avlc":{"src":{"addr":"4CAD3C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43143,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[3,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114006,"usec":127657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008183,"noise_level":-22.115137,"freq_skew":3.436060,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"UA","pf":true,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114009,"usec":190196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305895,"noise_level":-22.004194,"freq_skew":5.049859,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114009,"usec":960667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311255,"noise_level":-21.629482,"freq_skew":4.973552,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114009,"usec":969194},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589093,"noise_level":-21.993397,"freq_skew":5.073922,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":48490,"variable_part_params":[{"name":"atn_checksum","value":[25,18,68,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114012,"usec":996534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382899,"noise_level":-22.053707,"freq_skew":3.714680,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114013,"usec":11025},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476851,"noise_level":-22.780708,"freq_skew":5.268734,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48490,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[174,109,254,202]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114013,"usec":794069},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529727,"noise_level":-22.709221,"freq_skew":5.216494,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43137,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[176,54,42,189]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":13,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114015,"usec":331108},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489801,"noise_level":-23.259026,"freq_skew":5.356552,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[91,61,6,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114016,"usec":83002},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734502,"noise_level":-23.059092,"freq_skew":5.167765,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114017,"usec":608326},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146334,"noise_level":-22.476765,"freq_skew":5.064660,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[164,33,187,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114018,"usec":355735},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749105,"noise_level":-22.362003,"freq_skew":7.996768,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17644666","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,63,73,182,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114019,"usec":104190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.173837,"noise_level":-22.181484,"freq_skew":3.367674,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114019,"usec":104839},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679244,"noise_level":-22.181484,"freq_skew":5.433650,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[131,19,95,194]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114019,"usec":131409},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.467389,"noise_level":-22.712309,"freq_skew":3.254951,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114019,"usec":131409},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.467389,"noise_level":-22.712309,"freq_skew":3.254951,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114019,"usec":131886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583969,"noise_level":-22.700447,"freq_skew":4.632172,"avlc":{"src":{"addr":"4BCD81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114020,"usec":669684},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.564601,"noise_level":-22.753057,"freq_skew":3.451333,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114021,"usec":425352},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.897979,"noise_level":-22.517765,"freq_skew":8.177390,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,71,68,67,0,63,73,182,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114022,"usec":181364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.341002,"noise_level":-23.368370,"freq_skew":5.202700,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114024,"usec":472711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815747,"noise_level":-23.269585,"freq_skew":6.719709,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114026,"usec":7245},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706269,"noise_level":-22.669617,"freq_skew":7.820627,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":26,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114027,"usec":542423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300813,"noise_level":-22.277035,"freq_skew":7.993902,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114027,"usec":556424},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.442611,"noise_level":-22.371225,"freq_skew":5.163099,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114027,"usec":557142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895758,"noise_level":-23.061760,"freq_skew":5.431462,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114030,"usec":582878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.776900,"noise_level":-22.994144,"freq_skew":3.646877,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114030,"usec":602667},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.614496,"noise_level":-22.764254,"freq_skew":3.545714,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXI","mode":"2","label":"_d","blk_id":"5","ack":"V","flight":"KL057T","msg_num":"M72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114031,"usec":340159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283848,"noise_level":-22.704754,"freq_skew":3.489002,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114035,"usec":937047},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466963,"noise_level":-21.056953,"freq_skew":5.360748,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114035,"usec":955430},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861376,"noise_level":-21.131552,"freq_skew":4.537407,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.800000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114035,"usec":961341},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617921,"noise_level":-21.980492,"freq_skew":5.353029,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[176,10,56,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114036,"usec":717723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.495458,"noise_level":-22.487736,"freq_skew":5.236165,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114038,"usec":992567},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581875,"noise_level":-21.683022,"freq_skew":4.639128,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JSZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TK05TP","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114039,"usec":773392},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887307,"noise_level":-22.298719,"freq_skew":4.773744,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22725172","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,72,89,0,75,170,122,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114040,"usec":546634},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785186,"noise_level":-22.613485,"freq_skew":4.668776,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JSZ","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"TK05TP","msg_num":"S47","msg_num_seq":"A","msg_text":"0EV111355V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":13,"sec":55}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114042,"usec":66867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864349,"noise_level":-24.342861,"freq_skew":4.730440,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114044,"usec":329311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232759,"noise_level":-24.498867,"freq_skew":4.051299,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114045,"usec":93117},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.449264,"noise_level":-24.596684,"freq_skew":5.574357,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IFS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR53UX","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114045,"usec":104001},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.192770,"noise_level":-24.464979,"freq_skew":2.266992,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48499,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[102,88,75,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114045,"usec":104001},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.192770,"noise_level":-24.464979,"freq_skew":2.266992,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48499,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[49,55,88,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":14,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114045,"usec":104648},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619534,"noise_level":-24.464979,"freq_skew":1.035995,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114045,"usec":855565},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126543,"noise_level":-24.221525,"freq_skew":5.068919,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114046,"usec":603557},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.370643,"noise_level":-24.229868,"freq_skew":2.101354,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114049,"usec":699706},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455203,"noise_level":-22.980154,"freq_skew":6.939983,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[57,233]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114050,"usec":453922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189442,"noise_level":-22.750626,"freq_skew":4.972538,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114052,"usec":722475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.323868,"noise_level":-21.899559,"freq_skew":1.914228,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114053,"usec":495994},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.459456,"noise_level":-21.539604,"freq_skew":5.078545,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60151,"credit":1,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[198,188,181,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114055,"usec":808580},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055907,"noise_level":-21.154596,"freq_skew":2.070836,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LOWG"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":14.700000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114055,"usec":818658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.399697,"noise_level":-21.055950,"freq_skew":1.899994,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114057,"usec":331244},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.854849,"noise_level":-20.768192,"freq_skew":2.345844,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114058,"usec":85834},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.083729,"noise_level":-20.552635,"freq_skew":6.134824,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114061,"usec":163278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702490,"noise_level":-20.575712,"freq_skew":3.463048,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS0003","msg_num":"M98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114062,"usec":682235},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745470,"noise_level":-20.690994,"freq_skew":5.476923,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114064,"usec":205802},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.614656,"noise_level":-20.153088,"freq_skew":2.131371,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWQ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH06YP","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114065,"usec":739314},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772287,"noise_level":-20.270271,"freq_skew":6.425800,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114066,"usec":472993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983968,"noise_level":-20.207775,"freq_skew":2.112392,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114066,"usec":484101},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020936,"noise_level":-20.566742,"freq_skew":6.494005,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DBUBI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XA0001","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114068,"usec":53192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010777,"noise_level":-20.185810,"freq_skew":6.482022,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114068,"usec":796334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338213,"noise_level":-20.001429,"freq_skew":1.837268,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114071,"usec":81500},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891543,"noise_level":-19.381235,"freq_skew":6.364845,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DBUBI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XA0001","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114072,"usec":605347},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097700,"noise_level":-18.962772,"freq_skew":3.530128,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.600000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114077,"usec":955361},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560868,"noise_level":-18.750710,"freq_skew":5.347570,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114078,"usec":710299},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688440,"noise_level":-19.141123,"freq_skew":2.581450,"avlc":{"src":{"addr":"4408D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":198,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114080,"usec":231804},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.666905,"noise_level":-18.794079,"freq_skew":5.543165,"avlc":{"src":{"addr":"4D2434","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114084,"usec":830158},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769047,"noise_level":-19.357410,"freq_skew":5.461620,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114084,"usec":849708},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466909,"noise_level":-19.615360,"freq_skew":8.040923,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114086,"usec":373325},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743248,"noise_level":-20.345947,"freq_skew":3.419457,"avlc":{"src":{"addr":"3C6586","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH01HE","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114088,"usec":682243},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614770,"noise_level":-21.710918,"freq_skew":3.866306,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114088,"usec":683468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711190,"noise_level":-21.700348,"freq_skew":6.375103,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114094,"usec":53490},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692091,"noise_level":-20.216423,"freq_skew":6.279588,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114095,"usec":563268},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721640,"noise_level":-19.875883,"freq_skew":6.429543,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DBUBI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114095,"usec":566581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954059,"noise_level":-19.841700,"freq_skew":3.319372,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS0003","msg_num":"M98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114096,"usec":312154},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051350,"noise_level":-20.340776,"freq_skew":6.356370,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114097,"usec":842066},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912062,"noise_level":-20.609217,"freq_skew":6.327535,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114100,"usec":94516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851741,"noise_level":-20.006380,"freq_skew":3.365210,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114104,"usec":751466},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.227051,"noise_level":-20.963076,"freq_skew":2.730814,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114105,"usec":455114},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116193,"noise_level":-20.761633,"freq_skew":4.952376,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46236,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[42,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114106,"usec":215318},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.788130,"noise_level":-22.335691,"freq_skew":4.655882,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":71,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[130,36]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"current-data-authority-abort"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114106,"usec":231975},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589400,"noise_level":-22.144588,"freq_skew":5.581454,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114107,"usec":741521},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924688,"noise_level":-21.806574,"freq_skew":4.766536,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1487,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":71,"variable_part_params":[{"name":"checksum","value":[105,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114107,"usec":759797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604753,"noise_level":-21.637131,"freq_skew":3.282270,"avlc":{"src":{"addr":"3C6586","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114109,"usec":315917},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376167,"noise_level":-21.958660,"freq_skew":5.567754,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114110,"usec":833722},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497337,"noise_level":-21.482227,"freq_skew":5.524523,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114111,"usec":590572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.574715,"noise_level":-21.189508,"freq_skew":5.027193,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114113,"usec":864618},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708846,"noise_level":-21.408655,"freq_skew":1.044809,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":822,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114116,"usec":174644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.758659,"noise_level":-23.309515,"freq_skew":1.400147,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114116,"usec":933661},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.220221,"noise_level":-24.195032,"freq_skew":1.214029,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-CXA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"XR004M","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114116,"usec":949475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750431,"noise_level":-23.958927,"freq_skew":4.248696,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114119,"usec":208740},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797748,"noise_level":-24.341982,"freq_skew":3.887755,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":8,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114119,"usec":212722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190524,"noise_level":-24.559635,"freq_skew":2.801557,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114119,"usec":214082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.767060,"noise_level":-25.445549,"freq_skew":0.911382,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114120,"usec":735907},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420383,"noise_level":-25.926052,"freq_skew":4.211933,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LIMJ"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":10.400001},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114121,"usec":533693},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896747,"noise_level":-25.605541,"freq_skew":6.167627,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48483,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[115,158,140,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114123,"usec":56438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383963,"noise_level":-24.769356,"freq_skew":4.073284,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114123,"usec":815767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850388,"noise_level":-25.344870,"freq_skew":4.020830,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114124,"usec":591462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889600,"noise_level":-25.665871,"freq_skew":4.826348,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114125,"usec":347319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858906,"noise_level":-25.370758,"freq_skew":3.849788,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114127,"usec":662699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001061,"noise_level":-24.917908,"freq_skew":5.458013,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114128,"usec":413692},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511442,"noise_level":-24.646769,"freq_skew":5.558380,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2099,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3,"dst_ref":43176,"variable_part_params":[{"name":"checksum","value":[188,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114129,"usec":945853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.480362,"noise_level":-24.915655,"freq_skew":4.832958,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLE","mode":"2","label":"_d","blk_id":"1","ack":"G","flight":"XA0001","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114134,"usec":522366},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946592,"noise_level":-22.964672,"freq_skew":3.743057,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-LOZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LW04YT","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114134,"usec":523427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.557079,"noise_level":-22.952461,"freq_skew":1.899570,"avlc":{"src":{"addr":"010154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114140,"usec":607114},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510442,"noise_level":-21.195187,"freq_skew":5.526901,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":59,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114141,"usec":365416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.342226,"noise_level":-20.949509,"freq_skew":4.148479,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114142,"usec":172974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959174,"noise_level":-21.442869,"freq_skew":5.540363,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114143,"usec":697612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219640,"noise_level":-20.915646,"freq_skew":3.698819,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-LOZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LW04YT","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114143,"usec":703751},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186460,"noise_level":-21.000750,"freq_skew":3.774252,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":13.400001},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114145,"usec":190904},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307776,"noise_level":-20.713732,"freq_skew":6.735561,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[57,233]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114151,"usec":318792},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221426,"noise_level":-20.465651,"freq_skew":5.156616,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLE","mode":"2","label":"_d","blk_id":"1","ack":"G","flight":"XA0001","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114152,"usec":72906},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575074,"noise_level":-20.248444,"freq_skew":5.251404,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114152,"usec":72906},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.575074,"noise_level":-20.248444,"freq_skew":5.251404,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114155,"usec":917521},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998881,"noise_level":-21.969481,"freq_skew":5.247595,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":4,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[156,164]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114155,"usec":934259},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730472,"noise_level":-21.786182,"freq_skew":2.087912,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114156,"usec":679971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286304,"noise_level":-21.648579,"freq_skew":3.180972,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114158,"usec":960110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625744,"noise_level":-20.779877,"freq_skew":1.779275,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114160,"usec":461778},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.107146,"noise_level":-20.326328,"freq_skew":3.869283,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":13.400001},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114163,"usec":560638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535685,"noise_level":-20.958828,"freq_skew":3.231348,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114163,"usec":572489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860011,"noise_level":-20.871965,"freq_skew":3.438517,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114165,"usec":66202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109056,"noise_level":-21.732456,"freq_skew":5.462127,"avlc":{"src":{"addr":"4CAC89","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114168,"usec":109504},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.379280,"noise_level":-20.750931,"freq_skew":3.321768,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"KGYY"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":6.600000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114170,"usec":439591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046854,"noise_level":-19.963776,"freq_skew":5.249943,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114171,"usec":188896},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804711,"noise_level":-20.757837,"freq_skew":5.197059,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[143,176,232,56]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114172,"usec":717368},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523968,"noise_level":-20.966156,"freq_skew":5.214836,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":27274,"dst_ref":60142,"variable_part_params":[{"name":"atn_checksum","value":[116,116,107,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114173,"usec":462719},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075415,"noise_level":-20.821743,"freq_skew":3.167883,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114181,"usec":926109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736677,"noise_level":-22.292431,"freq_skew":6.780549,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114182,"usec":684660},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240376,"noise_level":-22.559574,"freq_skew":1.175713,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60199,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,73,103,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114184,"usec":938911},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356393,"noise_level":-21.854250,"freq_skew":5.024978,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43123,"credit":1,"rseq":2,"variable_part_params":[{"name":"checksum","value":[229,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114185,"usec":699572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140771,"noise_level":-22.157709,"freq_skew":3.314697,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114186,"usec":461626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813354,"noise_level":-21.937809,"freq_skew":3.620712,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114187,"usec":235418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.237234,"noise_level":-21.452215,"freq_skew":3.126178,"avlc":{"src":{"addr":"4BB02B","type":"Aircraft","status":"On ground"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114190,"usec":286619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.574796,"noise_level":-20.722054,"freq_skew":3.696230,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114190,"usec":291029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.168963,"noise_level":-21.117279,"freq_skew":2.959378,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114191,"usec":818056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305181,"noise_level":-20.768745,"freq_skew":2.914382,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114192,"usec":574345},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098839,"noise_level":-21.186514,"freq_skew":3.144112,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17072041","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,85,73,0,60,116,33,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114195,"usec":649272},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704704,"noise_level":-21.144241,"freq_skew":6.693226,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":35,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114195,"usec":651226},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333509,"noise_level":-21.124447,"freq_skew":3.686383,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,68,65,0,77,34,177,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114198,"usec":689551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534701,"noise_level":-20.659571,"freq_skew":4.714230,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114198,"usec":699253},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164713,"noise_level":-20.768291,"freq_skew":3.244239,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114200,"usec":228697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240791,"noise_level":-20.250185,"freq_skew":3.767987,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114201,"usec":740092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.592685,"noise_level":-19.932842,"freq_skew":1.679421,"avlc":{"src":{"addr":"4D20CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114203,"usec":293984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.935161,"noise_level":-19.852045,"freq_skew":3.553425,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114205,"usec":573282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309403,"noise_level":-19.394640,"freq_skew":3.156745,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114207,"usec":852333},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339408,"noise_level":-19.903629,"freq_skew":1.348687,"avlc":{"src":{"addr":"51116F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114211,"usec":692112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.426859,"noise_level":-20.339317,"freq_skew":5.814550,"avlc":{"src":{"addr":"4D2434","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114211,"usec":694861},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314557,"noise_level":-20.567484,"freq_skew":2.007874,"avlc":{"src":{"addr":"010154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SU-GDR","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"MS0777","msg_num":"M55","msg_num_seq":"A","msg_text":" +47.000/ +11.000/UTC 1116/FOB 19.3/ALT 35997/CAS 282/ETA 1118"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114212,"usec":439974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.783541,"noise_level":-20.420376,"freq_skew":1.728553,"avlc":{"src":{"addr":"010154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114213,"usec":957942},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.247432,"noise_level":-19.941517,"freq_skew":3.593584,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":64,"variable_part_params":[{"name":"atn_checksum","value":[169,109,163,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114215,"usec":528689},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939963,"noise_level":-20.861685,"freq_skew":3.663377,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,68,65,0,77,34,177,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114218,"usec":582271},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.050034,"noise_level":-20.416679,"freq_skew":3.818774,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":387,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114219,"usec":330518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855243,"noise_level":-20.766388,"freq_skew":4.319297,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114220,"usec":86577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.534391,"noise_level":-20.780071,"freq_skew":3.750570,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114221,"usec":602643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.046368,"noise_level":-20.510811,"freq_skew":3.028587,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114222,"usec":413528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456405,"noise_level":-20.256624,"freq_skew":0.282099,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114222,"usec":416331},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055144,"noise_level":-21.220234,"freq_skew":4.089504,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[94,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114223,"usec":175060},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645463,"noise_level":-20.993311,"freq_skew":3.641890,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRX","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH02NE","msg_num":"M83","msg_num_seq":"A","msg_text":"00548209284N5S52IW210226 JZ14B33B3XX43SFWA663MGJM096,--233H9B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114224,"usec":669077},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863726,"noise_level":-21.741699,"freq_skew":3.238016,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"X3068M","msg_num":"F10","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/FNTUI68M/DTEDDS,07O,76,113037,2E3EFF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114224,"usec":676862},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772184,"noise_level":-21.594353,"freq_skew":3.423877,"avlc":{"src":{"addr":"3C6586","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILF","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH01HE","msg_num":"M57","msg_num_seq":"A","msg_text":"00868209231G:RV+BDKK34S*VP9W)6JJ+-U(J+0BATUB++V39K3,,2)U,,(+WE2+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114225,"usec":445531},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.561814,"noise_level":-22.193916,"freq_skew":3.899114,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,76,68,65,0,77,34,177,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114226,"usec":218551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820168,"noise_level":-22.166822,"freq_skew":3.321946,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114227,"usec":705838},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378158,"noise_level":-22.075935,"freq_skew":6.696618,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114230,"usec":27858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.159821,"noise_level":-21.541828,"freq_skew":4.830058,"avlc":{"src":{"addr":"3C6586","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114236,"usec":160926},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622415,"noise_level":-22.995316,"freq_skew":3.261232,"avlc":{"src":{"addr":"3C6586","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILF","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH01HE","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114236,"usec":919170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.566601,"noise_level":-23.413656,"freq_skew":3.554029,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114236,"usec":932090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.233462,"noise_level":-23.260597,"freq_skew":2.598298,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114237,"usec":672723},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789360,"noise_level":-23.412670,"freq_skew":5.973435,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48483,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[102,67,7,68]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114238,"usec":434630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870266,"noise_level":-24.192617,"freq_skew":4.030154,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114239,"usec":188144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948375,"noise_level":-24.959509,"freq_skew":6.109958,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114239,"usec":210243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909721,"noise_level":-24.716940,"freq_skew":3.892139,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114239,"usec":946879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782349,"noise_level":-24.568701,"freq_skew":5.150996,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114240,"usec":717259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.294273,"noise_level":-24.055065,"freq_skew":5.145397,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114241,"usec":479342},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447829,"noise_level":-24.788248,"freq_skew":5.044782,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114243,"usec":807410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.877474,"noise_level":-24.412121,"freq_skew":2.715908,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114243,"usec":808646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295208,"noise_level":-24.397697,"freq_skew":6.853300,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114244,"usec":571017},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753906,"noise_level":-25.028397,"freq_skew":1.169348,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60199,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,73,103,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114245,"usec":299738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829885,"noise_level":-25.113827,"freq_skew":5.234005,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114245,"usec":300225},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884720,"noise_level":-25.098188,"freq_skew":5.960290,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114245,"usec":307996},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249947,"noise_level":-24.958717,"freq_skew":6.215792,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":30982,"dst_ref":48483,"variable_part_params":[{"name":"atn_checksum","value":[133,228,59,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114246,"usec":72095},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573732,"noise_level":-24.597387,"freq_skew":5.143150,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114248,"usec":338409},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.885371,"noise_level":-23.648403,"freq_skew":2.778100,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114248,"usec":345690},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.444820,"noise_level":-23.556351,"freq_skew":2.763642,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114248,"usec":358657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887612,"noise_level":-23.362320,"freq_skew":5.766879,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114249,"usec":917012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211616,"noise_level":-23.631702,"freq_skew":3.016291,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114252,"usec":198912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739284,"noise_level":-22.553518,"freq_skew":5.110341,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114253,"usec":715399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771292,"noise_level":-22.717257,"freq_skew":5.809745,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114257,"usec":541045},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047171,"noise_level":-21.562252,"freq_skew":1.519144,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43200,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[218,0,59,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114258,"usec":301404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.577654,"noise_level":-21.336464,"freq_skew":5.233784,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114259,"usec":817879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000544,"noise_level":-21.265713,"freq_skew":1.218518,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114261,"usec":348435},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677505,"noise_level":-23.483534,"freq_skew":4.041047,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114262,"usec":92909},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130909,"noise_level":-24.155891,"freq_skew":4.102400,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":11,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43186,"credit":4,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,206,215,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114269,"usec":786145},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823289,"noise_level":-21.641083,"freq_skew":3.620494,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114271,"usec":296902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315125,"noise_level":-21.779667,"freq_skew":3.359067,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114271,"usec":307496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011225,"noise_level":-21.673702,"freq_skew":5.322041,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114274,"usec":322669},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770890,"noise_level":-20.938896,"freq_skew":4.163724,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCHRG","mode":"2","label":"_d","blk_id":"1","ack":"W","flight":"GS0000","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114275,"usec":902942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062131,"noise_level":-20.628559,"freq_skew":2.873785,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114279,"usec":682779},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.295796,"noise_level":-21.691925,"freq_skew":3.602878,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114280,"usec":452884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250749,"noise_level":-21.773396,"freq_skew":2.680840,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114283,"usec":473831},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302362,"noise_level":-22.710449,"freq_skew":3.850043,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114283,"usec":478589},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709212,"noise_level":-22.651314,"freq_skew":2.078276,"avlc":{"src":{"addr":"3C5EF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWU","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"LH089W","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114284,"usec":278483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934962,"noise_level":-22.395805,"freq_skew":4.212158,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114287,"usec":315248},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740355,"noise_level":-23.734560,"freq_skew":4.067185,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCHRG","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"GS0000","msg_num":"M46","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK072BA7E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114289,"usec":600452},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786252,"noise_level":-23.474968,"freq_skew":2.131106,"avlc":{"src":{"addr":"3C5EF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,87,71,0,60,94,245,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":17,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":50,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[25,10]},{"name":"atn_checksum","value":[213,68,194,4]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114290,"usec":396023},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458530,"noise_level":-24.284678,"freq_skew":6.884022,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[69,218]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114290,"usec":421765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.171097,"noise_level":-24.190294,"freq_skew":3.865812,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114291,"usec":925158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567324,"noise_level":-23.658150,"freq_skew":1.125736,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114294,"usec":204150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381876,"noise_level":-22.694529,"freq_skew":4.075127,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114294,"usec":211183},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955065,"noise_level":-23.829300,"freq_skew":2.959831,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":173,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114294,"usec":973225},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524902,"noise_level":-23.620426,"freq_skew":2.795516,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60186,"credit":1,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[250,112,178,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114297,"usec":292472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879975,"noise_level":-22.684387,"freq_skew":3.988867,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114298,"usec":40544},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938759,"noise_level":-23.295467,"freq_skew":4.321626,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCHRG","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"GS0000","msg_num":"M48","msg_num_seq":"A","sublabel":"M1","msg_text":"REQFPN/FNP85817886"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114298,"usec":42083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066706,"noise_level":-23.282784,"freq_skew":1.919211,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWM","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"LH09HE","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114298,"usec":797032},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.580131,"noise_level":-23.020596,"freq_skew":2.875577,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":18,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114298,"usec":801546},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702891,"noise_level":-22.971542,"freq_skew":4.297346,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114298,"usec":811536},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930287,"noise_level":-22.989212,"freq_skew":3.866150,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114300,"usec":314626},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618867,"noise_level":-22.968170,"freq_skew":3.570072,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRX","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH02NE","msg_num":"C02","msg_num_seq":"A","sublabel":"CF","msg_text":"XVH/XH312MGIGGG)22MMGG2221WHBJ3J:EOWTPPJJJJJJJJJJJ\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114300,"usec":315019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588854,"noise_level":-22.968170,"freq_skew":2.964489,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114304,"usec":909544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808165,"noise_level":-22.951040,"freq_skew":3.493526,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114305,"usec":674331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587442,"noise_level":-23.555370,"freq_skew":0.888043,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114305,"usec":678218},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681540,"noise_level":-24.416018,"freq_skew":3.068096,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063253","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,102,171,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114307,"usec":200963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588968,"noise_level":-23.859440,"freq_skew":3.032781,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114307,"usec":968861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733284,"noise_level":-23.436453,"freq_skew":2.973888,"avlc":{"src":{"addr":"3C66AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114308,"usec":704247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.579462,"noise_level":-23.321106,"freq_skew":1.489566,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114309,"usec":469823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122327,"noise_level":-22.971746,"freq_skew":3.460835,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114311,"usec":26687},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595415,"noise_level":-22.323896,"freq_skew":5.339280,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[51,153,5,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114311,"usec":802867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.443317,"noise_level":-23.178207,"freq_skew":1.430930,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114313,"usec":310357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425510,"noise_level":-22.667524,"freq_skew":4.037737,"avlc":{"src":{"addr":"4BAA7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114314,"usec":67499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263112,"noise_level":-23.439854,"freq_skew":4.928449,"avlc":{"src":{"addr":"48C2B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114316,"usec":344443},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251927,"noise_level":-22.441181,"freq_skew":1.736293,"avlc":{"src":{"addr":"4D20CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114319,"usec":437160},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.098928,"noise_level":-21.876835,"freq_skew":1.584405,"avlc":{"src":{"addr":"4D20CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114319,"usec":438360},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557380,"noise_level":-21.866062,"freq_skew":5.425946,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114320,"usec":207851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.049623,"noise_level":-22.946260,"freq_skew":3.676883,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114327,"usec":835599},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.130175,"noise_level":-20.339872,"freq_skew":7.920821,"avlc":{"src":{"addr":"3F49B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114329,"usec":350982},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616247,"noise_level":-20.967028,"freq_skew":4.150393,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCHRG","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"GS0000","msg_num":"M54","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK072BA7E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114333,"usec":961261},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830608,"noise_level":-21.676857,"freq_skew":4.263304,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114336,"usec":230499},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453304,"noise_level":-21.849833,"freq_skew":3.437008,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114337,"usec":797278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978699,"noise_level":-21.288029,"freq_skew":4.063318,"avlc":{"src":{"addr":"3CD43C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114339,"usec":301205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868134,"noise_level":-21.167343,"freq_skew":2.651816,"avlc":{"src":{"addr":"45213D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114340,"usec":66789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439693,"noise_level":-21.875717,"freq_skew":3.330910,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114344,"usec":662175},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535602,"noise_level":-21.024487,"freq_skew":5.503107,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":405,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114344,"usec":664068},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123501,"noise_level":-21.014719,"freq_skew":5.233204,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114346,"usec":178236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539062,"noise_level":-21.307106,"freq_skew":5.533231,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114346,"usec":935693},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.152859,"noise_level":-21.720858,"freq_skew":3.378460,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BA68TR","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114346,"usec":935693},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.152859,"noise_level":-21.720858,"freq_skew":3.378460,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100641","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,129,161,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114347,"usec":702661},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588030,"noise_level":-21.357922,"freq_skew":3.428961,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114350,"usec":773499},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868255,"noise_level":-20.499155,"freq_skew":0.089448,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBI","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"DI01MR","msg_num":"M40","msg_num_seq":"A","msg_text":"/LIEO.TI2/024LIEOA0C14"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114351,"usec":559285},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958757,"noise_level":-20.716743,"freq_skew":0.196364,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114353,"usec":44266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.988161,"noise_level":-21.022188,"freq_skew":1.794881,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114354,"usec":567356},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479954,"noise_level":-21.195326,"freq_skew":5.114009,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23222111","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,36,73,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114354,"usec":577300},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400579,"noise_level":-22.132584,"freq_skew":2.712360,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[12,174,150,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114354,"usec":577878},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259760,"noise_level":-22.168024,"freq_skew":2.759036,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-EXF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"E408LD","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114355,"usec":317101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713700,"noise_level":-23.080780,"freq_skew":4.986928,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114356,"usec":843535},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814190,"noise_level":-23.079050,"freq_skew":2.683096,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114356,"usec":846338},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.976694,"noise_level":-23.066677,"freq_skew":2.841046,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114357,"usec":652071},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.887458,"noise_level":-23.752050,"freq_skew":2.610710,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114357,"usec":652071},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.887458,"noise_level":-23.752050,"freq_skew":2.610710,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":49,"diag_code_descr":"Time expired for incoming call"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114357,"usec":653760},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153368,"noise_level":-23.725334,"freq_skew":4.660453,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LEBL"},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114360,"usec":697773},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974590,"noise_level":-22.449924,"freq_skew":3.683478,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[4,9]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114362,"usec":209052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374573,"noise_level":-22.063587,"freq_skew":2.305545,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114362,"usec":952823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028431,"noise_level":-22.177948,"freq_skew":3.369518,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114362,"usec":956132},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.959412,"noise_level":-22.122322,"freq_skew":1.564891,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[234,16,207,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114363,"usec":780233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.680916,"noise_level":-21.710798,"freq_skew":1.338719,"avlc":{"src":{"addr":"4CAE17","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114364,"usec":532007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902346,"noise_level":-21.964388,"freq_skew":3.409250,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114364,"usec":536184},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.338778,"noise_level":-21.920937,"freq_skew":3.948673,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":64,"dst_ref":90,"variable_part_params":[{"name":"atn_checksum","value":[28,84,43,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114366,"usec":802052},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964197,"noise_level":-22.034428,"freq_skew":3.768291,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":17,"variable_part_params":[{"name":"checksum","value":[90,77]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114366,"usec":803968},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788288,"noise_level":-22.012501,"freq_skew":4.536741,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"6","ack":"C","flight":"5Y9080","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114367,"usec":557511},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970442,"noise_level":-21.984467,"freq_skew":3.919430,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":42860,"sseq":16,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[10,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":16,"msg_ref":16,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":19,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114368,"usec":307927},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.327754,"noise_level":-22.652426,"freq_skew":3.658513,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVD","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"IB07FE","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114368,"usec":317264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876225,"noise_level":-22.442791,"freq_skew":5.283396,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114369,"usec":92324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724777,"noise_level":-23.103933,"freq_skew":4.546672,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114369,"usec":96653},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.573118,"noise_level":-23.054405,"freq_skew":3.407989,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114369,"usec":97617},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.159779,"noise_level":-23.042068,"freq_skew":6.650771,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,244]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114369,"usec":841630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969635,"noise_level":-23.795584,"freq_skew":3.996000,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114372,"usec":168487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726117,"noise_level":-22.721842,"freq_skew":3.592268,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114374,"usec":437007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.345603,"noise_level":-23.898527,"freq_skew":3.699243,"avlc":{"src":{"addr":"3C6750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114374,"usec":442157},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207897,"noise_level":-23.830759,"freq_skew":3.663528,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20987,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,197,17,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114375,"usec":193581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386575,"noise_level":-23.617390,"freq_skew":3.370323,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114377,"usec":469997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175042,"noise_level":-23.304459,"freq_skew":4.584126,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114378,"usec":277043},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292207,"noise_level":-22.919212,"freq_skew":6.813013,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,244]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114378,"usec":278285},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.340787,"noise_level":-22.919212,"freq_skew":3.399934,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20987,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,197,17,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114379,"usec":53122},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969861,"noise_level":-22.567253,"freq_skew":4.473035,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N481MC","mode":"2","label":"_d","blk_id":"7","ack":"D","flight":"5Y9080","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114379,"usec":56104},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448136,"noise_level":-22.543938,"freq_skew":5.100574,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1826,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114381,"usec":319725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.501459,"noise_level":-22.437523,"freq_skew":3.670010,"avlc":{"src":{"addr":"3C6750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114383,"usec":584788},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696060,"noise_level":-23.568882,"freq_skew":2.163993,"avlc":{"src":{"addr":"3C5EF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114384,"usec":336922},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.775685,"noise_level":-23.578346,"freq_skew":0.259883,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,77,66,85,0,81,17,149,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":382,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[203,191]},{"name":"atn_checksum","value":[32,251,171,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114384,"usec":343348},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960638,"noise_level":-24.405230,"freq_skew":0.015016,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43216,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[216,15,58,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114385,"usec":145144},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625502,"noise_level":-25.281765,"freq_skew":6.580468,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114385,"usec":904947},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259562,"noise_level":-25.936317,"freq_skew":2.592053,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114385,"usec":918742},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.094080,"noise_level":-25.698736,"freq_skew":2.404239,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":49,"diag_code_descr":"Time expired for incoming call"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114385,"usec":918742},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.094080,"noise_level":-25.698736,"freq_skew":2.404239,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":253,"calling_addr":"22111305","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,65,75,0,72,146,197,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114386,"usec":687772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737278,"noise_level":-25.835371,"freq_skew":0.131339,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114387,"usec":445441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.932411,"noise_level":-26.532589,"freq_skew":2.814746,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZF","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"LH0273","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114392,"usec":37167},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.499120,"noise_level":-24.132828,"freq_skew":3.668139,"avlc":{"src":{"addr":"3C6750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":229,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114392,"usec":780493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.811897,"noise_level":-23.966684,"freq_skew":3.880869,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114393,"usec":543298},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753742,"noise_level":-23.447668,"freq_skew":5.379826,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114396,"usec":582899},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.892208,"noise_level":-22.220869,"freq_skew":5.470356,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114398,"usec":897091},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522231,"noise_level":-22.791485,"freq_skew":6.641377,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[69,218]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114398,"usec":899281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711090,"noise_level":-22.719913,"freq_skew":5.246618,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114399,"usec":667891},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490614,"noise_level":-22.508661,"freq_skew":5.299318,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43137,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,149,191,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":19,"sec":57}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114400,"usec":442812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.425457,"noise_level":-22.737944,"freq_skew":3.690956,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114402,"usec":709630},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.273715,"noise_level":-21.866497,"freq_skew":4.813081,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LROP"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":4.200000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114403,"usec":455568},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526921,"noise_level":-21.770119,"freq_skew":5.145992,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43137,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,149,191,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":19,"sec":57}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114403,"usec":466847},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.161229,"noise_level":-22.283812,"freq_skew":5.762013,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43043,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[137,200]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114403,"usec":477172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.152145,"noise_level":-22.576637,"freq_skew":1.311491,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114405,"usec":18096},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935734,"noise_level":-22.188145,"freq_skew":5.484093,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114405,"usec":22509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121229,"noise_level":-22.773720,"freq_skew":3.400010,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114405,"usec":30038},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.529703,"noise_level":-22.678612,"freq_skew":4.681612,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60151,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,244,166,163]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":20,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114406,"usec":535092},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080305,"noise_level":-22.240547,"freq_skew":4.899579,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60151,"credit":1,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[28,239,126,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114408,"usec":71107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145106,"noise_level":-22.604984,"freq_skew":4.614205,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114408,"usec":73708},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400629,"noise_level":-22.581568,"freq_skew":3.641944,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114410,"usec":337621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289231,"noise_level":-21.767408,"freq_skew":4.510293,"avlc":{"src":{"addr":"A5ED66","type":"Aircraft","status":"On ground"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114413,"usec":418884},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099856,"noise_level":-20.725304,"freq_skew":4.346702,"avlc":{"src":{"addr":"4CAECA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127312","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,202,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114413,"usec":420452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309840,"noise_level":-20.715866,"freq_skew":3.881069,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114414,"usec":178427},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063449,"noise_level":-20.464857,"freq_skew":4.322515,"avlc":{"src":{"addr":"4CAECA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR08DJ","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114416,"usec":468933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722485,"noise_level":-19.735756,"freq_skew":1.092160,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114421,"usec":806487},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813418,"noise_level":-19.187054,"freq_skew":5.547647,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43043,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[233,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114421,"usec":810566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129643,"noise_level":-20.216824,"freq_skew":1.528327,"avlc":{"src":{"addr":"51116F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114423,"usec":330488},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.853427,"noise_level":-20.510632,"freq_skew":3.385563,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1095CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":11.300000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114423,"usec":332085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594165,"noise_level":-20.492226,"freq_skew":5.535174,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114424,"usec":87055},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137498,"noise_level":-20.355419,"freq_skew":4.749298,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114424,"usec":843007},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.590447,"noise_level":-20.682276,"freq_skew":3.095378,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1095CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114424,"usec":843007},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.590447,"noise_level":-20.682276,"freq_skew":3.095378,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1095CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114424,"usec":854783},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072215,"noise_level":-20.579531,"freq_skew":3.695998,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114425,"usec":648922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974032,"noise_level":-20.619738,"freq_skew":5.822394,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114425,"usec":649859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498290,"noise_level":-20.619738,"freq_skew":4.824742,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114425,"usec":668447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088017,"noise_level":-20.606319,"freq_skew":4.874401,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114427,"usec":163123},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008569,"noise_level":-20.304270,"freq_skew":1.626949,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":3}},{"name":"dst_airport","value":"LIPZ"},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":10.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114430,"usec":966677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639965,"noise_level":-20.975706,"freq_skew":2.575828,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114430,"usec":969302},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487237,"noise_level":-21.461376,"freq_skew":1.162078,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60199,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,73,103,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114430,"usec":976144},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858275,"noise_level":-21.369370,"freq_skew":3.184119,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":106,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114431,"usec":757042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752945,"noise_level":-21.349052,"freq_skew":4.729905,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114433,"usec":302064},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774163,"noise_level":-21.240158,"freq_skew":1.800125,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSDLM","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"GS930V","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114433,"usec":305046},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563441,"noise_level":-21.210154,"freq_skew":4.900559,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,79,82,0,74,8,235,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114435,"usec":559798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939018,"noise_level":-21.341475,"freq_skew":1.464943,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114437,"usec":81051},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493673,"noise_level":-21.974020,"freq_skew":5.172630,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":66,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114437,"usec":825042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771447,"noise_level":-21.822712,"freq_skew":2.487330,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114437,"usec":826008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544661,"noise_level":-21.801311,"freq_skew":5.351489,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114437,"usec":830479},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547751,"noise_level":-22.550858,"freq_skew":6.569006,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,244]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114438,"usec":647493},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039840,"noise_level":-22.320908,"freq_skew":3.922172,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114438,"usec":653499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158100,"noise_level":-22.275639,"freq_skew":4.836076,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114438,"usec":655115},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.927880,"noise_level":-22.253094,"freq_skew":3.484371,"avlc":{"src":{"addr":"3C66E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114440,"usec":918492},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727025,"noise_level":-23.076965,"freq_skew":3.637891,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":20,"variable_part_params":[{"name":"checksum","value":[78,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114441,"usec":680048},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.071625,"noise_level":-22.965223,"freq_skew":1.915538,"avlc":{"src":{"addr":"4B18F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60174,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[177,188,20,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114443,"usec":208962},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752179,"noise_level":-22.295187,"freq_skew":1.872000,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114445,"usec":509533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432929,"noise_level":-21.652119,"freq_skew":1.574990,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114445,"usec":532580},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474140,"noise_level":-22.174965,"freq_skew":2.392254,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LROP"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.600000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114446,"usec":285120},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522873,"noise_level":-22.364780,"freq_skew":1.779072,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114446,"usec":291816},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859590,"noise_level":-22.796703,"freq_skew":4.678751,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LEBL"},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114447,"usec":48172},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748783,"noise_level":-22.589624,"freq_skew":2.594225,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AING","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH08RC","msg_num":"S23","msg_num_seq":"A","msg_text":"0EV112045V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":20,"sec":45}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114447,"usec":783594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802144,"noise_level":-22.693960,"freq_skew":1.841470,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114448,"usec":555933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159769,"noise_level":-22.826290,"freq_skew":4.692410,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114449,"usec":323052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117476,"noise_level":-22.577335,"freq_skew":2.719000,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114450,"usec":74268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775970,"noise_level":-22.415247,"freq_skew":2.504852,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114450,"usec":78641},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730825,"noise_level":-22.380903,"freq_skew":2.700384,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AING","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH08RC","msg_num":"S23","msg_num_seq":"A","msg_text":"0EV112045V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":20,"sec":45}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114450,"usec":92262},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678065,"noise_level":-22.282627,"freq_skew":2.714667,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114450,"usec":832221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.698155,"noise_level":-22.894468,"freq_skew":4.697020,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114450,"usec":835744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532570,"noise_level":-22.858179,"freq_skew":2.628647,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114451,"usec":655848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598970,"noise_level":-23.115129,"freq_skew":5.401150,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114454,"usec":689995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846514,"noise_level":-21.866558,"freq_skew":4.688419,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114463,"usec":59484},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681049,"noise_level":-21.191570,"freq_skew":5.297201,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114463,"usec":818456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354822,"noise_level":-22.220673,"freq_skew":2.216386,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114463,"usec":840168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222114,"noise_level":-22.302223,"freq_skew":5.614463,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114467,"usec":650878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569860,"noise_level":-22.762289,"freq_skew":5.459195,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114468,"usec":424481},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044325,"noise_level":-23.074081,"freq_skew":2.716121,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114469,"usec":934279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851838,"noise_level":-23.405113,"freq_skew":5.556837,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114469,"usec":943166},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675308,"noise_level":-23.341074,"freq_skew":2.543527,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":472,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48486,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,142,216,226]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":21,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114470,"usec":696135},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058642,"noise_level":-23.576149,"freq_skew":5.695238,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114473,"usec":23609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816644,"noise_level":-23.274498,"freq_skew":5.104867,"avlc":{"src":{"addr":"44CE6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114475,"usec":299615},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.742484,"noise_level":-22.373177,"freq_skew":4.642916,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60151,"credit":1,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[243,234,157,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114475,"usec":314808},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960056,"noise_level":-22.203617,"freq_skew":8.580366,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734103","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,67,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114475,"usec":316343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.421941,"noise_level":-22.796711,"freq_skew":4.039822,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114476,"usec":47373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573676,"noise_level":-23.083271,"freq_skew":8.385613,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114476,"usec":48273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038094,"noise_level":-23.070890,"freq_skew":2.976500,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114476,"usec":815052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230329,"noise_level":-23.583244,"freq_skew":8.393222,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114482,"usec":191394},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336505,"noise_level":-23.480928,"freq_skew":3.009254,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[5,53,248,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114482,"usec":197117},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394310,"noise_level":-23.690037,"freq_skew":5.672371,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43043,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[225,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114483,"usec":705912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.722049,"noise_level":-23.174305,"freq_skew":3.124768,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114485,"usec":224472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322090,"noise_level":-22.790421,"freq_skew":2.067378,"avlc":{"src":{"addr":"4B18F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114486,"usec":771182},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612329,"noise_level":-22.515753,"freq_skew":6.836973,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-COPS","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"GS078X","msg_num":"M12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114486,"usec":777188},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485693,"noise_level":-22.434900,"freq_skew":6.685295,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17163220","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,60,230,144,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114489,"usec":808441},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602490,"noise_level":-22.355673,"freq_skew":3.918697,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":9.100000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114491,"usec":318806},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147151,"noise_level":-22.340754,"freq_skew":3.362317,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N577CF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0145","msg_num":"M89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114491,"usec":318806},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.147151,"noise_level":-22.340754,"freq_skew":3.362317,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"51664242","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,167,104,162,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114492,"usec":76169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684109,"noise_level":-22.060993,"freq_skew":3.932146,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114492,"usec":83730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.154026,"noise_level":-22.721893,"freq_skew":2.223184,"avlc":{"src":{"addr":"4B18F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60174,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[207,245,115,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114492,"usec":884029},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852035,"noise_level":-22.522200,"freq_skew":6.667364,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-COPS","mode":"2","label":"44","blk_id":"3","ack":"!","flight":"GS078X","msg_num":"M13","msg_num_seq":"A","msg_text":"03m0>xJqL-9JVx+xx9(tDqJ9xq+&&!q!+OIqxPtDqtt(tqtJxVqxxJ$V"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114493,"usec":650217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097876,"noise_level":-22.191795,"freq_skew":3.051129,"avlc":{"src":{"addr":"A768A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114494,"usec":400634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064604,"noise_level":-21.905895,"freq_skew":6.690112,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114494,"usec":402209},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.513964,"noise_level":-22.035303,"freq_skew":5.250966,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065343","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,106,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114495,"usec":182833},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795362,"noise_level":-22.513256,"freq_skew":6.518462,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":43,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114495,"usec":922512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.321005,"noise_level":-22.375149,"freq_skew":4.005119,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114496,"usec":675177},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174465,"noise_level":-22.993677,"freq_skew":3.851463,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"dst_airport","value":"LICJ"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114496,"usec":702824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.467546,"noise_level":-22.739948,"freq_skew":2.807457,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114498,"usec":198798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692759,"noise_level":-22.321522,"freq_skew":4.931533,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114498,"usec":209142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.389541,"noise_level":-22.914831,"freq_skew":1.896977,"avlc":{"src":{"addr":"4B18F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114499,"usec":757875},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.200263,"noise_level":-22.720203,"freq_skew":1.640511,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSDLM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"GS930V","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114500,"usec":541332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111417,"noise_level":-22.291391,"freq_skew":2.778506,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114500,"usec":542394},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309893,"noise_level":-22.291391,"freq_skew":1.348282,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22210615","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,73,17,141,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114504,"usec":313040},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811887,"noise_level":-21.937992,"freq_skew":2.474926,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48585,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[243,250,26,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114504,"usec":327414},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852240,"noise_level":-22.281586,"freq_skew":2.797134,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43232,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[147,210,18,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":21,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114505,"usec":70345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575457,"noise_level":-22.976730,"freq_skew":2.546396,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114505,"usec":871068},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568708,"noise_level":-22.795095,"freq_skew":2.653447,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48585,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,199,76,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114505,"usec":882043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978285,"noise_level":-22.687910,"freq_skew":2.846170,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114505,"usec":890732},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498571,"noise_level":-22.839714,"freq_skew":2.919697,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[35,110,88,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114506,"usec":635740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092950,"noise_level":-23.943413,"freq_skew":3.953732,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114508,"usec":154605},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788851,"noise_level":-24.238628,"freq_skew":2.707044,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114508,"usec":166598},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856899,"noise_level":-24.084360,"freq_skew":2.608196,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48585,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,199,76,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114510,"usec":439259},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.280249,"noise_level":-23.818680,"freq_skew":4.964163,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBD","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH07ET","msg_num":"227","msg_num_seq":"A","sublabel":"T2","msg_text":"T-3!fd6f0L8[a'`\\46|EDDM","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":71,"ack_required":false,"compression":0,"encoding":0,"app_type":10,"non_acars":{"app_id":"0AT","message":{"text":"EDDM"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114511,"usec":195335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.403674,"noise_level":-23.684893,"freq_skew":1.814454,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114511,"usec":965620},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.443263,"noise_level":-23.223019,"freq_skew":5.049093,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60151,"credit":1,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[113,188,176,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114512,"usec":753976},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.404656,"noise_level":-24.703043,"freq_skew":4.947458,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBD","mode":"2","label":"_d","blk_id":"0","ack":"I","flight":"LH07ET","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114515,"usec":53404},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.344017,"noise_level":-24.135605,"freq_skew":4.521507,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60151,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,79,123,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":21,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114515,"usec":793783},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680104,"noise_level":-23.942013,"freq_skew":2.650189,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48585,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,148,126,22]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48585,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[240,196,200,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":21,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114515,"usec":804019},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793015,"noise_level":-23.953886,"freq_skew":4.644923,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114516,"usec":550729},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947986,"noise_level":-23.750874,"freq_skew":2.655353,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114517,"usec":311557},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764235,"noise_level":-23.384163,"freq_skew":5.045593,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBD","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"LH07ET","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114518,"usec":53950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544726,"noise_level":-23.143860,"freq_skew":2.478856,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114518,"usec":821704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819550,"noise_level":-23.081711,"freq_skew":2.781169,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48585,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[18,52,121,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114520,"usec":379636},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730454,"noise_level":-22.277878,"freq_skew":2.696021,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDQ","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH008R","msg_num":"M82","msg_num_seq":"A","msg_text":"00066209286MJU7PS)U6F6TT,11IP2MIQ4RRM(2JF)):DMXX-110M:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114521,"usec":923258},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.827457,"noise_level":-23.273497,"freq_skew":1.815708,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCB","mode":"2","label":"35","blk_id":"1","ack":"!","flight":"LX09TV","msg_num":"M51","msg_num_seq":"A","msg_text":"MPL/LX1083/Z"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114522,"usec":668819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714565,"noise_level":-23.110432,"freq_skew":2.548008,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114523,"usec":424874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786615,"noise_level":-22.829229,"freq_skew":4.704061,"avlc":{"src":{"addr":"4A08EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114523,"usec":439959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574724,"noise_level":-22.755659,"freq_skew":2.691108,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114524,"usec":183018},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089563,"noise_level":-23.085766,"freq_skew":3.095673,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114524,"usec":186898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639531,"noise_level":-23.048672,"freq_skew":6.786551,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114526,"usec":496905},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821788,"noise_level":-22.740837,"freq_skew":5.884276,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.000000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114527,"usec":282955},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.310988,"noise_level":-23.170479,"freq_skew":1.461615,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[96,128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114528,"usec":29367},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558534,"noise_level":-22.984789,"freq_skew":1.055049,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114529,"usec":548865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090234,"noise_level":-22.427410,"freq_skew":1.263395,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114529,"usec":556752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.022120,"noise_level":-22.371199,"freq_skew":2.169107,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114530,"usec":302396},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.004505,"noise_level":-22.639729,"freq_skew":2.449064,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114530,"usec":307563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.779404,"noise_level":-22.569387,"freq_skew":1.035023,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114531,"usec":836750},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852415,"noise_level":-23.107811,"freq_skew":6.184722,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114531,"usec":840134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711926,"noise_level":-23.070623,"freq_skew":2.000371,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114533,"usec":374556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843655,"noise_level":-22.723396,"freq_skew":5.045481,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114534,"usec":149002},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690763,"noise_level":-23.245869,"freq_skew":4.788223,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1828,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43092,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[11,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114535,"usec":664856},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.910419,"noise_level":-24.120863,"freq_skew":3.303199,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114536,"usec":422191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.486303,"noise_level":-24.064474,"freq_skew":2.386433,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114536,"usec":433961},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726772,"noise_level":-23.899622,"freq_skew":1.755714,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114538,"usec":692603},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.462206,"noise_level":-23.594204,"freq_skew":3.736511,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":20,"variable_part_params":[{"name":"checksum","value":[69,167]},{"name":"flow_control","value":{"acked_tpdu_nr":20,"acked_subseq":0,"acked_credit":5}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114540,"usec":266772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427550,"noise_level":-23.261181,"freq_skew":2.658018,"avlc":{"src":{"addr":"4892C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CE57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114542,"usec":534785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440021,"noise_level":-23.943382,"freq_skew":6.843431,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114544,"usec":56447},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637328,"noise_level":-23.514114,"freq_skew":2.741664,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDQ","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"LH008R","msg_num":"M83","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114545,"usec":563047},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876084,"noise_level":-23.218346,"freq_skew":2.536173,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDQ","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"LH008R","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114547,"usec":892255},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744158,"noise_level":-24.556978,"freq_skew":4.183366,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":478,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,83,65,83,0,76,173,151],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114548,"usec":666347},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686170,"noise_level":-23.947697,"freq_skew":4.912012,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114548,"usec":670570},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158930,"noise_level":-23.893131,"freq_skew":6.880445,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":46,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43105,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[145,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":22,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114549,"usec":432832},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523228,"noise_level":-23.546589,"freq_skew":4.884835,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVE","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR42CH","msg_num":"D27","msg_num_seq":"M","sublabel":"DF","msg_text":" 70 69 24 26-079600 -505ER\r\n+85 69 69 25 26-079600 -505ER\r\n+90 69 69 24 26-079500 -505ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114550,"usec":161380},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.090512,"noise_level":-24.239614,"freq_skew":3.716484,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-LOZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LW04YT","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114550,"usec":161881},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399567,"noise_level":-24.211359,"freq_skew":4.919563,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43092,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[7,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114551,"usec":687891},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467487,"noise_level":-24.042147,"freq_skew":3.903027,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[4,9]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114551,"usec":704608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513701,"noise_level":-24.642361,"freq_skew":4.727779,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114552,"usec":455716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.359268,"noise_level":-24.867659,"freq_skew":2.047916,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114557,"usec":63946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.378415,"noise_level":-22.841566,"freq_skew":3.663066,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114557,"usec":66812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.774236,"noise_level":-22.805498,"freq_skew":5.254851,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114557,"usec":69056},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.350011,"noise_level":-22.793507,"freq_skew":4.325509,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114558,"usec":557650},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071956,"noise_level":-22.874859,"freq_skew":4.390808,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114561,"usec":665921},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848572,"noise_level":-21.614359,"freq_skew":4.160764,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":481,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114563,"usec":170238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967254,"noise_level":-21.255756,"freq_skew":3.824566,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114563,"usec":915929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557533,"noise_level":-21.281717,"freq_skew":5.501938,"avlc":{"src":{"addr":"3C54A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[188,115,131,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114563,"usec":916645},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.233050,"noise_level":-22.286310,"freq_skew":1.559906,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSDLM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"GS930V","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114567,"usec":2793},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009201,"noise_level":-21.356256,"freq_skew":6.705153,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43105,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[197,248]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114567,"usec":764484},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981417,"noise_level":-21.498404,"freq_skew":6.672526,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43105,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[11,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":22,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114569,"usec":292962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473257,"noise_level":-20.977615,"freq_skew":6.815219,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114571,"usec":577554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528124,"noise_level":-20.346413,"freq_skew":6.146734,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCC","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U236MQ","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114574,"usec":638608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690039,"noise_level":-19.603416,"freq_skew":3.646280,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114574,"usec":662488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715577,"noise_level":-19.414619,"freq_skew":8.328380,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114579,"usec":959513},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.838973,"noise_level":-19.393227,"freq_skew":3.384679,"avlc":{"src":{"addr":"3C6750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZP","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"LH1913","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114581,"usec":511992},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893524,"noise_level":-19.082937,"freq_skew":6.505613,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114581,"usec":513776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.901528,"noise_level":-19.309910,"freq_skew":3.423558,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114582,"usec":281356},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402552,"noise_level":-19.913902,"freq_skew":6.259560,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":67,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":2881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":3,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[180,231,191,36]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114583,"usec":42894},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.381135,"noise_level":-19.684742,"freq_skew":4.648477,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60151,"credit":1,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[63,236,150,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114583,"usec":786626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.366692,"noise_level":-19.494190,"freq_skew":3.719031,"avlc":{"src":{"addr":"3C6750","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZP","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"LH1913","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114583,"usec":796398},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.426827,"noise_level":-19.355986,"freq_skew":6.770999,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114586,"usec":71739},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.269450,"noise_level":-20.487898,"freq_skew":6.624700,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114588,"usec":406078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358194,"noise_level":-20.397629,"freq_skew":4.736600,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114589,"usec":916378},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.181380,"noise_level":-19.902794,"freq_skew":2.098482,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCB","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"LX09TV","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114592,"usec":190347},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094036,"noise_level":-19.669109,"freq_skew":6.773439,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[93,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114592,"usec":959879},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711654,"noise_level":-19.667305,"freq_skew":6.678770,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60202,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[188,17]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":23,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114593,"usec":759901},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680699,"noise_level":-19.551052,"freq_skew":6.123660,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114593,"usec":759901},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.680699,"noise_level":-19.551052,"freq_skew":6.123660,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":27,"pkt_type_name":"Reset Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":128,"diag_code_descr":"Version number not supported"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114594,"usec":517522},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556459,"noise_level":-19.379538,"freq_skew":8.417936,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBC","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"PC78RD","msg_num":"M44","msg_num_seq":"A","msg_text":"/EDDS.TI2/040EDDSA4B44"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114595,"usec":256939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797545,"noise_level":-19.291031,"freq_skew":6.902276,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114596,"usec":19721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.531672,"noise_level":-19.674286,"freq_skew":1.557045,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114596,"usec":21522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184225,"noise_level":-19.649223,"freq_skew":6.083516,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114596,"usec":783311},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.377535,"noise_level":-20.167875,"freq_skew":1.672265,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSDLM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"GS930V","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114596,"usec":788119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240190,"noise_level":-20.141350,"freq_skew":6.182892,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114596,"usec":811957},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.840003,"noise_level":-19.983871,"freq_skew":6.582744,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60202,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[125,79]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":23,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114598,"usec":300179},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974819,"noise_level":-19.736015,"freq_skew":8.968833,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBC","mode":"2","label":"_d","blk_id":"1","ack":"V","flight":"PC78RD","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114598,"usec":313083},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663753,"noise_level":-19.583895,"freq_skew":3.007315,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":26,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114599,"usec":63864},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.338207,"noise_level":-21.030972,"freq_skew":1.708771,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114599,"usec":825028},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999572,"noise_level":-20.789833,"freq_skew":3.826664,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746756","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,238,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114599,"usec":829851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.020559,"noise_level":-20.751862,"freq_skew":3.597939,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SON","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"XQ04HL","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114602,"usec":908193},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.995087,"noise_level":-23.092939,"freq_skew":3.278761,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"X3068M","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114603,"usec":663608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.342536,"noise_level":-22.836340,"freq_skew":3.247620,"avlc":{"src":{"addr":"3C7421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114604,"usec":421833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507327,"noise_level":-22.563734,"freq_skew":3.770379,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114604,"usec":437419},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184185,"noise_level":-23.446981,"freq_skew":3.209119,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114604,"usec":442615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990092,"noise_level":-23.369823,"freq_skew":4.049923,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114605,"usec":185283},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915027,"noise_level":-25.127476,"freq_skew":4.483382,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"RJ0125","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114605,"usec":185283},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.915027,"noise_level":-25.127476,"freq_skew":4.483382,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"35044054","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,82,74,65,0,116,72,44,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114607,"usec":519907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601317,"noise_level":-25.052011,"freq_skew":1.750448,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114609,"usec":13057},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439481,"noise_level":-25.523556,"freq_skew":3.983143,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[4,9]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114610,"usec":538641},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032272,"noise_level":-24.694864,"freq_skew":1.806414,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":347,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114612,"usec":62975},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793574,"noise_level":-24.187309,"freq_skew":4.532260,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114612,"usec":831695},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698457,"noise_level":-23.802116,"freq_skew":3.790650,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LIMJ"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":9.600000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114616,"usec":668205},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521055,"noise_level":-22.371342,"freq_skew":3.792219,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114618,"usec":168703},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465278,"noise_level":-22.994480,"freq_skew":4.086970,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114618,"usec":187045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094642,"noise_level":-22.788496,"freq_skew":1.588304,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114618,"usec":937462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386930,"noise_level":-23.560276,"freq_skew":1.579619,"avlc":{"src":{"addr":"49118D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114619,"usec":710136},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573230,"noise_level":-23.089077,"freq_skew":3.467203,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKF","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH0069","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114620,"usec":456954},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.082206,"noise_level":-22.941586,"freq_skew":4.064343,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114620,"usec":461240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.899033,"noise_level":-23.980831,"freq_skew":5.354018,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114622,"usec":6244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909474,"noise_level":-23.486912,"freq_skew":3.585039,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114622,"usec":31005},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367621,"noise_level":-23.218586,"freq_skew":4.567580,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114622,"usec":31005},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.367621,"noise_level":-23.218586,"freq_skew":4.567580,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114623,"usec":543085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237027,"noise_level":-22.741245,"freq_skew":4.299239,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114626,"usec":558206},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646754,"noise_level":-22.621593,"freq_skew":5.868831,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,90,89,0,64,126,96,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,73,84,0,1,82,82,1,143,69,83,80,68,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":124,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":109,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[168,155,35,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114628,"usec":894260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305188,"noise_level":-22.649017,"freq_skew":4.878434,"avlc":{"src":{"addr":"4D24D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114630,"usec":398938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116493,"noise_level":-22.291203,"freq_skew":3.468659,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKF","mode":"2","label":"_d","blk_id":"7","ack":"O","flight":"LH0069","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114630,"usec":406714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744901,"noise_level":-22.562309,"freq_skew":3.576886,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114630,"usec":409490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151400,"noise_level":-22.527380,"freq_skew":2.322639,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114630,"usec":419735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850032,"noise_level":-22.411955,"freq_skew":6.070924,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114631,"usec":174703},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963564,"noise_level":-22.363705,"freq_skew":3.444613,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKF","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"LH0069","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114635,"usec":7123},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.745850,"noise_level":-21.916828,"freq_skew":1.237368,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114635,"usec":766097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.050722,"noise_level":-21.650192,"freq_skew":0.935794,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114638,"usec":49626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926174,"noise_level":-20.915415,"freq_skew":6.592179,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-COPS","mode":"2","label":"_d","blk_id":"6","ack":"B","flight":"GS078X","msg_num":"M16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114640,"usec":301822},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.420370,"noise_level":-20.701088,"freq_skew":3.931160,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LICJ"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["109CBA","10910A","10924A","10FA5A","10F66A","10F69A","10FA7A","10F63A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114640,"usec":302837},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902710,"noise_level":-20.672886,"freq_skew":5.015551,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBD","mode":"2","label":"_d","blk_id":"4","ack":"K","flight":"LH07ET","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114641,"usec":870150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088270,"noise_level":-20.584393,"freq_skew":4.174317,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCX","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR80FQ","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114641,"usec":874693},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158912,"noise_level":-20.547310,"freq_skew":3.822491,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":20,"variable_part_params":[{"name":"checksum","value":[69,167]},{"name":"flow_control","value":{"acked_tpdu_nr":20,"acked_subseq":0,"acked_credit":5}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114643,"usec":406780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286011,"noise_level":-20.111076,"freq_skew":5.238410,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBD","mode":"2","label":"_d","blk_id":"5","ack":"L","flight":"LH07ET","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114644,"usec":925150},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379377,"noise_level":-21.521751,"freq_skew":1.938954,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114646,"usec":437740},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.334795,"noise_level":-21.058273,"freq_skew":3.502198,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":203,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114648,"usec":6247},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345094,"noise_level":-20.516285,"freq_skew":4.067596,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114648,"usec":763266},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571429,"noise_level":-20.297823,"freq_skew":3.751817,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":42860,"credit":5,"rseq":20,"variable_part_params":[{"name":"checksum","value":[69,167]},{"name":"flow_control","value":{"acked_tpdu_nr":20,"acked_subseq":0,"acked_credit":5}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114650,"usec":287350},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.528018,"noise_level":-19.971439,"freq_skew":3.321249,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":203,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114651,"usec":41900},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.979420,"noise_level":-19.774565,"freq_skew":1.277890,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60199,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,126,46,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114653,"usec":323032},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829375,"noise_level":-19.587360,"freq_skew":3.799172,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"EN8880","msg_num":"M68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114655,"usec":635971},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.556775,"noise_level":-20.476608,"freq_skew":4.238923,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114656,"usec":403679},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793239,"noise_level":-20.456078,"freq_skew":2.081630,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZB","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH06HV","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114656,"usec":403679},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.793239,"noise_level":-20.456078,"freq_skew":2.081630,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063502","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,103,66,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114656,"usec":409607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851791,"noise_level":-20.659084,"freq_skew":3.238920,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114657,"usec":903739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.858088,"noise_level":-22.176380,"freq_skew":2.478851,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114663,"usec":282960},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932958,"noise_level":-20.592495,"freq_skew":3.848624,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114664,"usec":34750},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196110,"noise_level":-20.435827,"freq_skew":3.407558,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":203,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114664,"usec":798924},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242496,"noise_level":-20.201557,"freq_skew":4.107656,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,162,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114665,"usec":536477},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595714,"noise_level":-20.095528,"freq_skew":4.637312,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43092,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[133,160]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114665,"usec":562190},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055642,"noise_level":-19.887274,"freq_skew":3.899893,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"EN8880","msg_num":"M71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114667,"usec":69336},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838275,"noise_level":-19.542667,"freq_skew":6.821829,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[28,238]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114667,"usec":862487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191401,"noise_level":-19.282892,"freq_skew":3.994347,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114668,"usec":616983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421175,"noise_level":-19.274899,"freq_skew":2.421149,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114669,"usec":408271},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.475957,"noise_level":-19.827833,"freq_skew":2.363066,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"TK01LB","msg_num":"L06","msg_num_seq":"A","msg_text":"/LSZH.TI2/024LSZHA89DD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114671,"usec":657313},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534805,"noise_level":-19.371668,"freq_skew":3.807385,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[4,9]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114671,"usec":671988},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602104,"noise_level":-20.255672,"freq_skew":4.374313,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43092,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[133,160]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114673,"usec":182945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381528,"noise_level":-20.244143,"freq_skew":1.785881,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114673,"usec":942785},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068314,"noise_level":-20.308979,"freq_skew":3.234165,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":203,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114675,"usec":498150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517366,"noise_level":-19.921717,"freq_skew":1.973672,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114681,"usec":626309},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982533,"noise_level":-19.499161,"freq_skew":3.927321,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114683,"usec":886685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.328169,"noise_level":-18.997379,"freq_skew":4.383156,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114683,"usec":895359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526491,"noise_level":-18.928005,"freq_skew":4.445173,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114685,"usec":402313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988639,"noise_level":-18.545019,"freq_skew":3.998572,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114686,"usec":167159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.401170,"noise_level":-18.523008,"freq_skew":4.026932,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114688,"usec":491262},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994163,"noise_level":-19.562227,"freq_skew":3.854186,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTX","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"GS0000","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114689,"usec":260752},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018533,"noise_level":-19.944935,"freq_skew":3.535074,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EDDB"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":11.700000},"alt":26000}},{"name":"alternate_ground_stations","value":["109D6A","1098FA","109D4A","109C5A","1099EA","109B0A","10943A","10935A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114689,"usec":263052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257121,"noise_level":-19.927691,"freq_skew":3.942385,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114692,"usec":306850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939240,"noise_level":-21.864584,"freq_skew":6.038723,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114695,"usec":363363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306810,"noise_level":-21.209362,"freq_skew":2.419934,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114696,"usec":123572},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232659,"noise_level":-23.255613,"freq_skew":3.248104,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114696,"usec":907987},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763585,"noise_level":-22.776289,"freq_skew":4.667831,"avlc":{"src":{"addr":"4D24D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114697,"usec":648616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734542,"noise_level":-23.041267,"freq_skew":3.856335,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114697,"usec":655419},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248240,"noise_level":-22.955399,"freq_skew":3.785678,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114697,"usec":656667},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.087146,"noise_level":-22.943201,"freq_skew":3.610119,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":401,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114698,"usec":400913},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.821572,"noise_level":-23.183807,"freq_skew":3.285913,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114698,"usec":408404},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643650,"noise_level":-23.096527,"freq_skew":3.602936,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114699,"usec":168867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166692,"noise_level":-22.708324,"freq_skew":3.803982,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114699,"usec":944668},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985507,"noise_level":-22.635221,"freq_skew":3.384527,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114703,"usec":7593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001842,"noise_level":-22.841482,"freq_skew":3.657177,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":2,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114703,"usec":774575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154153,"noise_level":-22.475817,"freq_skew":3.570391,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114704,"usec":545169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741403,"noise_level":-22.080667,"freq_skew":3.283858,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114705,"usec":280736},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532416,"noise_level":-22.320778,"freq_skew":2.373371,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114705,"usec":294106},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886199,"noise_level":-22.174511,"freq_skew":5.977336,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":3260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":3,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[19,94,100,248]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":4,"acked_credit":4}}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114705,"usec":298695},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260863,"noise_level":-22.129997,"freq_skew":2.235081,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":127,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":6,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,72,89,0,75,169,18]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,72,89,0,75,169,18]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114706,"usec":805156},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750578,"noise_level":-21.837055,"freq_skew":3.390424,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,102,185,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114706,"usec":819317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082187,"noise_level":-21.709221,"freq_skew":2.152879,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114707,"usec":617053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.167172,"noise_level":-21.786674,"freq_skew":1.854411,"avlc":{"src":{"addr":"4B17F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114711,"usec":394383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130628,"noise_level":-20.555199,"freq_skew":2.348456,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114712,"usec":923991},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.357137,"noise_level":-20.095360,"freq_skew":2.051467,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"TK01LB","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114713,"usec":682475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.418632,"noise_level":-19.878540,"freq_skew":1.181576,"avlc":{"src":{"addr":"3C49CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114716,"usec":750990},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868834,"noise_level":-19.682920,"freq_skew":1.177236,"avlc":{"src":{"addr":"4D229D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114717,"usec":520924},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051638,"noise_level":-19.517021,"freq_skew":4.464985,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"RJ0125","msg_num":"J22","msg_num_seq":"A","msg_text":"/EDDK.TI2/000EDDKA0058"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114719,"usec":41484},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.721512,"noise_level":-19.107786,"freq_skew":3.556813,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":10,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114722,"usec":868236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.572593,"noise_level":-18.897156,"freq_skew":6.092167,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114722,"usec":889978},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891376,"noise_level":-18.753002,"freq_skew":4.531578,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114725,"usec":932370},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740786,"noise_level":-18.249279,"freq_skew":6.682254,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60202,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[28,238]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114726,"usec":686933},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738379,"noise_level":-18.770233,"freq_skew":4.072463,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"EN8880","msg_num":"C09","msg_num_seq":"E","sublabel":"CF","msg_text":"9, 69,\n68, 68, 70,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114728,"usec":200141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231814,"noise_level":-19.044601,"freq_skew":3.580071,"avlc":{"src":{"addr":"3F54B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114728,"usec":986804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832973,"noise_level":-19.520313,"freq_skew":1.844449,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114731,"usec":265848},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596925,"noise_level":-19.624943,"freq_skew":3.968104,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"EN8880","msg_num":"C11","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE1124540715ABQ\n11225315310 0 0\n11231705310 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114732,"usec":795695},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787355,"noise_level":-19.228355,"freq_skew":3.659746,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[4,9]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114737,"usec":389891},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.767053,"noise_level":-19.646538,"freq_skew":3.880351,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114738,"usec":145175},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.164784,"noise_level":-19.416111,"freq_skew":4.002589,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114738,"usec":155354},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904720,"noise_level":-19.303150,"freq_skew":3.855079,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1772,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":4,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114740,"usec":416813},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868896,"noise_level":-19.542810,"freq_skew":4.265666,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"_d","blk_id":"0","ack":"S","flight":"RJ0125","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114745,"usec":777517},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901928,"noise_level":-19.013494,"freq_skew":3.882977,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114746,"usec":563587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799455,"noise_level":-19.255846,"freq_skew":5.816301,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":109,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[68,99,30,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114747,"usec":314637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855472,"noise_level":-19.097836,"freq_skew":5.313231,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114748,"usec":865802},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.515079,"noise_level":-19.775023,"freq_skew":3.377983,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114748,"usec":879881},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914108,"noise_level":-19.648983,"freq_skew":6.594403,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114750,"usec":401978},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694544,"noise_level":-21.287687,"freq_skew":1.929419,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114751,"usec":908329},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.924435,"noise_level":-20.884169,"freq_skew":3.483356,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114753,"usec":426860},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775587,"noise_level":-20.471016,"freq_skew":3.710289,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114754,"usec":167723},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635192,"noise_level":-21.403683,"freq_skew":4.295232,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114754,"usec":183464},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219433,"noise_level":-21.171980,"freq_skew":3.113980,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":240,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":6,"ack":4,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,73,66,69,0,52,68,73],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114754,"usec":930926},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865591,"noise_level":-21.122417,"freq_skew":4.070055,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LICJ"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["10935A","10F66A","10FA7A","10F69A","10F63A","109CBA","10924A","1090BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114755,"usec":695889},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789660,"noise_level":-20.802214,"freq_skew":6.541665,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114756,"usec":511366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265419,"noise_level":-20.475027,"freq_skew":3.508481,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114757,"usec":264023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.184286,"noise_level":-20.374695,"freq_skew":3.339366,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":241,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":7,"ack":4,"credit_offered":0,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114757,"usec":282988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.428765,"noise_level":-20.239714,"freq_skew":3.991833,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114759,"usec":546674},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031056,"noise_level":-19.813026,"freq_skew":2.130832,"avlc":{"src":{"addr":"3C6491","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":476,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114760,"usec":279502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713960,"noise_level":-19.825699,"freq_skew":6.573478,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114761,"usec":64242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327025,"noise_level":-19.508064,"freq_skew":3.239702,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114761,"usec":819608},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.459044,"noise_level":-19.965105,"freq_skew":3.964321,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCX","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR80FQ","msg_num":"M26","msg_num_seq":"A","msg_text":"112557,,1242, 139,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114762,"usec":607028},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.204092,"noise_level":-19.947819,"freq_skew":3.343987,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":249,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":11,"ack":8,"credit_offered":0,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114764,"usec":908147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.891508,"noise_level":-19.268898,"freq_skew":3.883058,"avlc":{"src":{"addr":"4CA24E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114766,"usec":418055},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.641167,"noise_level":-19.729101,"freq_skew":3.973047,"avlc":{"src":{"addr":"407D75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114767,"usec":169403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.651220,"noise_level":-19.595425,"freq_skew":5.809537,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114767,"usec":183967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265616,"noise_level":-19.496502,"freq_skew":2.443549,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114767,"usec":185055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890310,"noise_level":-19.536396,"freq_skew":2.089400,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114771,"usec":8160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.616090,"noise_level":-18.667322,"freq_skew":3.800255,"avlc":{"src":{"addr":"407D75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114776,"usec":391173},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.344077,"noise_level":-18.751308,"freq_skew":5.874684,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114777,"usec":129114},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.225109,"noise_level":-19.714043,"freq_skew":3.677052,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":244,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114777,"usec":141558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359921,"noise_level":-19.613768,"freq_skew":3.989400,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114777,"usec":893612},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588599,"noise_level":-19.481842,"freq_skew":5.954536,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114777,"usec":906133},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132804,"noise_level":-19.437035,"freq_skew":5.804474,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":43005,"variable_part_params":[{"name":"atn_checksum","value":[119,33,122,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114778,"usec":656993},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.707246,"noise_level":-19.432528,"freq_skew":3.252341,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":259,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":16,"ack":13,"credit_offered":0,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114779,"usec":405766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.495291,"noise_level":-19.327389,"freq_skew":3.399885,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114779,"usec":412711},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498852,"noise_level":-19.271299,"freq_skew":6.125679,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114780,"usec":167387},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.822834,"noise_level":-19.407072,"freq_skew":3.926218,"avlc":{"src":{"addr":"407D75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114783,"usec":257313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267490,"noise_level":-19.482124,"freq_skew":6.467960,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114786,"usec":287571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608482,"noise_level":-22.059517,"freq_skew":3.712524,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114787,"usec":34552},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877398,"noise_level":-22.216637,"freq_skew":2.899567,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114787,"usec":34552},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.877398,"noise_level":-22.216637,"freq_skew":2.899567,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZI","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LH02SZ","msg_num":"S86","msg_num_seq":"A","msg_text":"0EV112624V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":26,"sec":24}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114788,"usec":556649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346367,"noise_level":-22.666508,"freq_skew":3.106984,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114789,"usec":378256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975163,"noise_level":-23.332272,"freq_skew":3.360707,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114789,"usec":378696},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553859,"noise_level":-23.332272,"freq_skew":3.353629,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":3,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3516,"dst_ref":54717,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[101,63,220,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114790,"usec":884215},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.484357,"noise_level":-22.836763,"freq_skew":5.307556,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":60230,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[247,152,249,81]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114795,"usec":438057},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834571,"noise_level":-21.520924,"freq_skew":4.248763,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114796,"usec":188148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340957,"noise_level":-21.510582,"freq_skew":3.420813,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114796,"usec":191364},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844057,"noise_level":-21.489935,"freq_skew":3.499685,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114797,"usec":16088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.861520,"noise_level":-21.078413,"freq_skew":3.722136,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114797,"usec":757788},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288695,"noise_level":-20.941813,"freq_skew":6.033933,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46417,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[203,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114798,"usec":515673},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.242301,"noise_level":-20.674894,"freq_skew":5.863711,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46417,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,1]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":26,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114801,"usec":563909},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133312,"noise_level":-19.978350,"freq_skew":2.771389,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":209,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":1,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[7,55,53,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114806,"usec":163142},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982928,"noise_level":-20.166262,"freq_skew":4.263950,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46377,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[64,40,143,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114809,"usec":190984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977964,"noise_level":-19.734858,"freq_skew":4.607327,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46377,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[64,40,143,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114809,"usec":997978},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.726004,"noise_level":-19.502106,"freq_skew":3.499880,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114810,"usec":743910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249047,"noise_level":-19.420469,"freq_skew":3.092090,"avlc":{"src":{"addr":"3D04A7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114811,"usec":495009},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553322,"noise_level":-19.569992,"freq_skew":3.510164,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114811,"usec":501108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.704075,"noise_level":-20.838224,"freq_skew":4.000702,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENE","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"LH31CD","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114817,"usec":617343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436288,"noise_level":-21.259508,"freq_skew":5.738508,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114818,"usec":382998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640648,"noise_level":-21.711939,"freq_skew":3.049510,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114820,"usec":667664},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432655,"noise_level":-21.627464,"freq_skew":8.321328,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBC","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"PC78RD","msg_num":"M45","msg_num_seq":"A","msg_text":"PC78RD/15JUL26 11:26:54,22454,1152, 89,N 48.566 E 10.862"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114820,"usec":670126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518456,"noise_level":-21.606537,"freq_skew":3.010032,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114823,"usec":3566},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855973,"noise_level":-21.352503,"freq_skew":2.907308,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":210,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,68,76,72,0,60,103,70],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114824,"usec":503097},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782994,"noise_level":-21.189655,"freq_skew":2.802957,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114825,"usec":256473},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280992,"noise_level":-21.851606,"freq_skew":3.196421,"avlc":{"src":{"addr":"344449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":283,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":28,"ack":25,"credit_offered":0,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114825,"usec":265467},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.734780,"noise_level":-21.776680,"freq_skew":3.721354,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114825,"usec":268321},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897176,"noise_level":-21.755390,"freq_skew":2.909502,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114829,"usec":856740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492694,"noise_level":-20.372524,"freq_skew":2.982369,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114830,"usec":611300},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752918,"noise_level":-20.255451,"freq_skew":2.869525,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114832,"usec":130008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506007,"noise_level":-19.819321,"freq_skew":5.241193,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114832,"usec":157012},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280557,"noise_level":-20.752159,"freq_skew":3.915015,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60180,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[31,206,216,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114832,"usec":892017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024462,"noise_level":-20.620556,"freq_skew":2.863457,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114834,"usec":410250},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613020,"noise_level":-20.859678,"freq_skew":2.346086,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,68,76,72,0,60,101,199,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":17,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":50,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[135,105]},{"name":"atn_checksum","value":[196,198,175,215]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114836,"usec":747243},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711349,"noise_level":-21.687889,"freq_skew":4.488451,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH05MW","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114837,"usec":489227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173100,"noise_level":-23.033028,"freq_skew":2.759793,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114838,"usec":247205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974578,"noise_level":-22.861441,"freq_skew":4.524442,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114839,"usec":27669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.810266,"noise_level":-22.471830,"freq_skew":3.228353,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114839,"usec":30400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132097,"noise_level":-22.448771,"freq_skew":3.897850,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114839,"usec":788181},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432040,"noise_level":-22.154427,"freq_skew":2.232924,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[204,148,128,18]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114840,"usec":547506},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.431261,"noise_level":-22.910192,"freq_skew":3.636631,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114848,"usec":164177},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802822,"noise_level":-22.549736,"freq_skew":3.779622,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114848,"usec":934376},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.732443,"noise_level":-22.437513,"freq_skew":4.941428,"avlc":{"src":{"addr":"4BCDF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOR","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XQ06AL","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114852,"usec":758338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828449,"noise_level":-21.327114,"freq_skew":3.734038,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114853,"usec":532581},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112226,"noise_level":-21.208729,"freq_skew":3.468832,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114854,"usec":295273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065864,"noise_level":-20.895008,"freq_skew":3.769570,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114855,"usec":855492},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349035,"noise_level":-20.508938,"freq_skew":4.758146,"avlc":{"src":{"addr":"4BCDF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114855,"usec":863006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341162,"noise_level":-20.435566,"freq_skew":3.821554,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114857,"usec":387808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.734141,"noise_level":-19.955891,"freq_skew":4.644076,"avlc":{"src":{"addr":"4BCDF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114858,"usec":886343},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684713,"noise_level":-20.159538,"freq_skew":6.612007,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52422,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[200,203]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114858,"usec":898706},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.191948,"noise_level":-20.054016,"freq_skew":3.598439,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":75,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48622,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,193,253,72]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"adsc_v2":{"adsc_ack":{"contract_number":0,"request_type":"periodic-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"ESSPADSC"},{"facility_designation":"EDYY"}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114859,"usec":661622},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927850,"noise_level":-19.821178,"freq_skew":3.560903,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114860,"usec":406836},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473493,"noise_level":-19.761818,"freq_skew":4.082656,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":482,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114861,"usec":162310},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531303,"noise_level":-21.980820,"freq_skew":4.445288,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AERA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"3S0623","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114861,"usec":169207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922384,"noise_level":-22.864204,"freq_skew":3.726146,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114864,"usec":265678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440348,"noise_level":-22.789761,"freq_skew":2.150637,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114865,"usec":16239},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311340,"noise_level":-23.821697,"freq_skew":2.286692,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43264,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[165,98,174,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114865,"usec":25414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281825,"noise_level":-24.665607,"freq_skew":4.381332,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114866,"usec":539012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149205,"noise_level":-25.812294,"freq_skew":2.048349,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114870,"usec":383966},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.881909,"noise_level":-25.762794,"freq_skew":3.832369,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EN8880","msg_num":"M75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114872,"usec":641518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041742,"noise_level":-24.745466,"freq_skew":3.926650,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114874,"usec":170838},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931080,"noise_level":-23.834900,"freq_skew":4.231997,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114876,"usec":433790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.344875,"noise_level":-22.974022,"freq_skew":2.372777,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114879,"usec":505570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.503456,"noise_level":-21.909239,"freq_skew":4.492073,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114881,"usec":29547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395632,"noise_level":-21.384354,"freq_skew":4.646743,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114881,"usec":791927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126834,"noise_level":-21.305511,"freq_skew":4.567136,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114884,"usec":868786},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.060155,"noise_level":-20.468882,"freq_skew":5.987193,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114894,"usec":791143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.980535,"noise_level":-19.114286,"freq_skew":3.770121,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114895,"usec":543236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668824,"noise_level":-19.365776,"freq_skew":3.820262,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114895,"usec":550159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897037,"noise_level":-19.333538,"freq_skew":3.914273,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114895,"usec":556969},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294712,"noise_level":-19.285406,"freq_skew":3.809103,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114896,"usec":294548},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584146,"noise_level":-19.245497,"freq_skew":3.497300,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"VOHS"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":8.600000},"alt":2000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114898,"usec":608970},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606890,"noise_level":-19.826313,"freq_skew":3.619502,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114898,"usec":608970},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.606890,"noise_level":-19.826313,"freq_skew":3.619502,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114898,"usec":611086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448066,"noise_level":-19.775379,"freq_skew":3.542975,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114898,"usec":614338},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769525,"noise_level":-20.741001,"freq_skew":4.287282,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43239,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[183,31,117,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114900,"usec":895915},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313474,"noise_level":-21.372902,"freq_skew":3.772577,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SEI","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"XQ03TX","msg_num":"M92","msg_num_seq":"A","msg_text":"112818,10000,1148, 32,N 51.243 E 8.004/SXS3TX"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114903,"usec":174977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.919812,"noise_level":-20.660290,"freq_skew":3.863843,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114903,"usec":975184},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049195,"noise_level":-21.085876,"freq_skew":3.025470,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":1,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[7,55,53,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114904,"usec":748296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.712646,"noise_level":-21.743500,"freq_skew":3.462112,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114905,"usec":494381},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492684,"noise_level":-21.606567,"freq_skew":6.286469,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-MLU","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"4X082U","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114906,"usec":251655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355597,"noise_level":-22.230991,"freq_skew":6.334517,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114906,"usec":262324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011633,"noise_level":-23.053560,"freq_skew":4.040584,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114907,"usec":784669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024609,"noise_level":-22.819403,"freq_skew":2.031044,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114909,"usec":291023},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.919557,"noise_level":-22.272213,"freq_skew":3.687455,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114910,"usec":61896},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.195034,"noise_level":-22.123440,"freq_skew":3.419932,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48626,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[82,1,158,19]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48626,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[117,235,194,83]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":28,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114910,"usec":848722},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331562,"noise_level":-21.947763,"freq_skew":2.130272,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":348,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114910,"usec":870497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985516,"noise_level":-21.743660,"freq_skew":6.455740,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114912,"usec":390644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892708,"noise_level":-21.580923,"freq_skew":4.506722,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114915,"usec":410405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.111660,"noise_level":-22.119164,"freq_skew":4.955373,"avlc":{"src":{"addr":"4BCDF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114917,"usec":746652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.479564,"noise_level":-23.695423,"freq_skew":4.407949,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114918,"usec":498663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417653,"noise_level":-24.409538,"freq_skew":3.052854,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUR","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH01RK","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":6416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765397,"noise_level":-24.203918,"freq_skew":2.876815,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":8936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734726,"noise_level":-24.590075,"freq_skew":0.277058,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":10440},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232945,"noise_level":-24.759653,"freq_skew":3.871737,"avlc":{"src":{"addr":"4BB86D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.500000},"alt":9000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":768032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786559,"noise_level":-25.955103,"freq_skew":2.921896,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":775355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165613,"noise_level":-25.835243,"freq_skew":4.836801,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114920,"usec":788075},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658241,"noise_level":-25.666832,"freq_skew":4.580294,"avlc":{"src":{"addr":"4BB86D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCM","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"PC76ND","msg_num":"S44","msg_num_seq":"A","msg_text":"0EV112838V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":28,"sec":38}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114921,"usec":532853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168957,"noise_level":-25.518007,"freq_skew":5.026552,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114921,"usec":533720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652633,"noise_level":-25.518007,"freq_skew":0.072949,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114922,"usec":295481},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473652,"noise_level":-25.941553,"freq_skew":3.799738,"avlc":{"src":{"addr":"4BB86D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114922,"usec":301655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987677,"noise_level":-25.838875,"freq_skew":4.913926,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114923,"usec":34743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984097,"noise_level":-26.347324,"freq_skew":6.489087,"avlc":{"src":{"addr":"3C2D57","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114923,"usec":36598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632548,"noise_level":-26.275473,"freq_skew":4.469211,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114923,"usec":815196},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930105,"noise_level":-25.737886,"freq_skew":6.604963,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52422,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[200,203]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114924,"usec":602648},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.410942,"noise_level":-25.521986,"freq_skew":5.189721,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114924,"usec":603997},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.583178,"noise_level":-25.505600,"freq_skew":4.059573,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114925,"usec":355597},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.465876,"noise_level":-25.563429,"freq_skew":4.886975,"avlc":{"src":{"addr":"4BCDF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114925,"usec":359169},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.837883,"noise_level":-25.400162,"freq_skew":2.988076,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZI","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH02SZ","msg_num":"M74","msg_num_seq":"A","msg_text":"00057234241IX,,VVSUS9QQP4KKSRT(4T "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114926,"usec":131825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331365,"noise_level":-25.383146,"freq_skew":2.874525,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114926,"usec":887113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657727,"noise_level":-25.993885,"freq_skew":2.085753,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114929,"usec":916204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087020,"noise_level":-24.932177,"freq_skew":5.108125,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114929,"usec":929850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.515844,"noise_level":-25.103317,"freq_skew":4.110779,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114933,"usec":765151},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991261,"noise_level":-23.504971,"freq_skew":3.470921,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":551,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32826,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[237,23,80,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114934,"usec":514704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.664731,"noise_level":-23.236094,"freq_skew":6.178031,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114934,"usec":518970},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187818,"noise_level":-23.210917,"freq_skew":4.388408,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[149,206,109,169]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":28,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114934,"usec":518970},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.187818,"noise_level":-23.210917,"freq_skew":4.388408,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114934,"usec":518970},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.187818,"noise_level":-23.210917,"freq_skew":4.388408,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114935,"usec":294272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116270,"noise_level":-23.477793,"freq_skew":3.680589,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114937,"usec":617145},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252084,"noise_level":-22.660690,"freq_skew":4.334361,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114939,"usec":121408},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082560,"noise_level":-22.302402,"freq_skew":4.396282,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114939,"usec":121816},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902952,"noise_level":-22.302402,"freq_skew":4.907262,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZD","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH09YY","msg_num":"M15","msg_num_seq":"A","msg_text":"00012226792CN2G)UWOOYEV0K8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114939,"usec":896720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439877,"noise_level":-23.018759,"freq_skew":4.436175,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114941,"usec":403590},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.623937,"noise_level":-22.447746,"freq_skew":1.978961,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114942,"usec":934776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.820165,"noise_level":-21.751091,"freq_skew":3.456457,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114946,"usec":775449},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200405,"noise_level":-21.078663,"freq_skew":4.772741,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZD","mode":"2","label":"_d","blk_id":"6","ack":"P","flight":"LH09YY","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114946,"usec":777707},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.056361,"noise_level":-21.059015,"freq_skew":3.919748,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114947,"usec":529975},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.300828,"noise_level":-20.864952,"freq_skew":4.389544,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[94,43,128,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114952,"usec":887222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.812688,"noise_level":-20.553066,"freq_skew":5.962653,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114952,"usec":890021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268043,"noise_level":-20.534573,"freq_skew":0.114247,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114955,"usec":902083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018701,"noise_level":-20.699299,"freq_skew":3.502556,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SON","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"XQ04HL","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114955,"usec":909073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.426868,"noise_level":-20.633648,"freq_skew":3.524632,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114955,"usec":918349},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713550,"noise_level":-20.531473,"freq_skew":-0.041254,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[17,206,72,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":29,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114957,"usec":434846},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703737,"noise_level":-21.147484,"freq_skew":-0.005303,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[9,20,153,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114959,"usec":762962},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839271,"noise_level":-21.243544,"freq_skew":3.752708,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SON","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"XQ04HL","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114960,"usec":501539},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367803,"noise_level":-21.183613,"freq_skew":4.036256,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"34700134","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,69,76,89,0,115,128,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114960,"usec":516859},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.399315,"noise_level":-22.067785,"freq_skew":2.118789,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JHR","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"TK01LB","msg_num":"M27","msg_num_seq":"A","msg_text":"/N 47.424/E 12.296/34181/1507/1129/04625/1203/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114960,"usec":531095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606990,"noise_level":-22.525917,"freq_skew":0.102895,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114961,"usec":276022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763586,"noise_level":-23.422321,"freq_skew":4.154279,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114962,"usec":30531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003582,"noise_level":-24.143084,"freq_skew":2.051641,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114962,"usec":31347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577600,"noise_level":-24.129101,"freq_skew":0.289874,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114962,"usec":784187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.068885,"noise_level":-26.529570,"freq_skew":3.684367,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114963,"usec":555641},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.241723,"noise_level":-26.882595,"freq_skew":3.289045,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114964,"usec":314162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524133,"noise_level":-28.248652,"freq_skew":0.290023,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114965,"usec":125319},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059914,"noise_level":-27.662668,"freq_skew":3.298052,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTX","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"GS0000","msg_num":"L11","msg_num_seq":"A","msg_text":"/LFPB.TI2/000LFPBA6077"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114965,"usec":130151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032789,"noise_level":-27.579121,"freq_skew":7.811447,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114966,"usec":616861},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589403,"noise_level":-27.015774,"freq_skew":1.745086,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43264,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[165,104,112,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114968,"usec":897834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029868,"noise_level":-25.771921,"freq_skew":4.542958,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114968,"usec":898373},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366803,"noise_level":-25.755054,"freq_skew":0.215959,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[216,1,55,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":29,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114968,"usec":898519},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.397923,"noise_level":-25.755054,"freq_skew":3.214511,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTX","mode":"2","label":"_d","blk_id":"6","ack":"R","flight":"GS0000","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114969,"usec":667491},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148436,"noise_level":-25.424446,"freq_skew":3.396356,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTX","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"GS0000","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114970,"usec":404941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244979,"noise_level":-25.231956,"freq_skew":0.113093,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114970,"usec":409923},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502263,"noise_level":-24.905041,"freq_skew":0.298326,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[209,128,198,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114975,"usec":794884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601364,"noise_level":-23.115940,"freq_skew":5.811182,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114976,"usec":544838},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061936,"noise_level":-22.907089,"freq_skew":5.764030,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":109,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[58,116,125,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114977,"usec":308211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.709319,"noise_level":-22.562010,"freq_skew":4.413764,"avlc":{"src":{"addr":"408033","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114978,"usec":92710},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.277345,"noise_level":-22.668663,"freq_skew":5.897071,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":109,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[214,8,73,78]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":29,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114978,"usec":866379},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560817,"noise_level":-22.300243,"freq_skew":4.250948,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":9.400001},"alt":15000}},{"name":"alternate_ground_stations","value":["26D477","298DD7","29E057"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114980,"usec":372438},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952679,"noise_level":-23.119793,"freq_skew":4.308284,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114981,"usec":134964},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778122,"noise_level":-24.029308,"freq_skew":4.316697,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":10.700000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114981,"usec":906961},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184842,"noise_level":-24.498558,"freq_skew":4.248264,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114983,"usec":427079},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648420,"noise_level":-24.565613,"freq_skew":5.926500,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":109,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[58,116,125,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114983,"usec":432705},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122464,"noise_level":-24.477901,"freq_skew":5.909770,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":109,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[214,8,73,78]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":29,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114984,"usec":174979},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895669,"noise_level":-24.376678,"freq_skew":4.187124,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIEO"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":12.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114988,"usec":781318},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993027,"noise_level":-22.424631,"freq_skew":3.683256,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114988,"usec":794288},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516608,"noise_level":-22.299229,"freq_skew":3.933477,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114990,"usec":292109},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484541,"noise_level":-22.751595,"freq_skew":1.898813,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":28,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114990,"usec":295052},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.867129,"noise_level":-23.737059,"freq_skew":3.953222,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114991,"usec":45212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045765,"noise_level":-23.332592,"freq_skew":4.354262,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114992,"usec":605283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971666,"noise_level":-23.224319,"freq_skew":1.840569,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114993,"usec":375535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698327,"noise_level":-24.072294,"freq_skew":4.421341,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114994,"usec":121737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399197,"noise_level":-23.785568,"freq_skew":4.259907,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114994,"usec":131574},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871320,"noise_level":-23.665525,"freq_skew":4.224605,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJA","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"EC47DE","msg_num":"S86","msg_num_seq":"A","msg_text":"0EV112951V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":29,"sec":51}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114995,"usec":659770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948902,"noise_level":-23.718704,"freq_skew":3.218871,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114995,"usec":666971},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097891,"noise_level":-23.639105,"freq_skew":3.214631,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":8,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54719,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[88,137,76,230]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":29,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114995,"usec":667208},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960778,"noise_level":-23.639105,"freq_skew":3.358793,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54719,"credit":4,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[231,128,164,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114996,"usec":402994},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122670,"noise_level":-23.366110,"freq_skew":4.460479,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114996,"usec":403356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.558120,"noise_level":-23.353325,"freq_skew":3.729156,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114997,"usec":162237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005202,"noise_level":-23.264330,"freq_skew":3.138326,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114997,"usec":937699},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942476,"noise_level":-22.736794,"freq_skew":3.273647,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54719,"credit":4,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[231,128,164,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114998,"usec":733819},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588131,"noise_level":-22.895697,"freq_skew":4.518061,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43239,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[183,31,117,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784114998,"usec":743660},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.350418,"noise_level":-23.930380,"freq_skew":3.686780,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115001,"usec":780776},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122681,"noise_level":-22.614935,"freq_skew":3.333924,"avlc":{"src":{"addr":"493298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54719,"credit":4,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[231,128,164,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115002,"usec":525524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.546443,"noise_level":-22.521538,"freq_skew":4.517008,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115002,"usec":537282},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.163531,"noise_level":-22.406193,"freq_skew":4.445784,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":486,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115004,"usec":794056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904356,"noise_level":-21.755154,"freq_skew":3.673262,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115007,"usec":118188},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588819,"noise_level":-21.093323,"freq_skew":3.887807,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1741,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115009,"usec":393237},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282630,"noise_level":-20.567720,"freq_skew":2.105603,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115011,"usec":686490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.111867,"noise_level":-19.737095,"freq_skew":2.186967,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115013,"usec":995097},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894231,"noise_level":-19.253609,"freq_skew":4.311980,"avlc":{"src":{"addr":"408033","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":322,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115016,"usec":286055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445284,"noise_level":-20.853636,"freq_skew":3.837705,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115017,"usec":41414},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.347076,"noise_level":-20.664061,"freq_skew":3.900338,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":360,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115019,"usec":357182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637269,"noise_level":-19.979197,"freq_skew":4.541579,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115020,"usec":873462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.507669,"noise_level":-21.151741,"freq_skew":4.041279,"avlc":{"src":{"addr":"4079D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115025,"usec":467274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085591,"noise_level":-19.711111,"freq_skew":5.908320,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115026,"usec":992984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.324077,"noise_level":-19.556601,"freq_skew":3.590402,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115030,"usec":50944},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.258255,"noise_level":-19.018570,"freq_skew":1.883628,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48646,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[181,106,222,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115030,"usec":783142},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754008,"noise_level":-18.949026,"freq_skew":3.454530,"avlc":{"src":{"addr":"3C6566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKF","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH0069","msg_num":"M03","msg_num_seq":"A","msg_text":"00003234205OIE-JLGLM::4L++OWL2WLV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115034,"usec":629077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617616,"noise_level":-20.729153,"freq_skew":3.091373,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115034,"usec":638767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135043,"noise_level":-20.644547,"freq_skew":0.658361,"avlc":{"src":{"addr":"4BA8F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115035,"usec":383181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693286,"noise_level":-20.514553,"freq_skew":4.267792,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115038,"usec":470428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.817289,"noise_level":-21.500233,"freq_skew":3.233225,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115039,"usec":225933},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.521649,"noise_level":-22.431515,"freq_skew":4.364018,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43239,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[83,200,8,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115040,"usec":760428},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.392640,"noise_level":-23.589535,"freq_skew":6.602004,"avlc":{"src":{"addr":"3CE690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52422,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[200,203]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115040,"usec":762315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.140848,"noise_level":-23.563311,"freq_skew":5.996208,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115040,"usec":763967},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.612017,"noise_level":-23.537169,"freq_skew":5.112169,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYW","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"BA601Y","msg_num":"F14","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,60,125001,/PR1453,345,360,117,,0,20,,M45,60,,,P55,M35,36090,,1336,3559963"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115042,"usec":255675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074424,"noise_level":-23.191723,"freq_skew":5.075837,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115042,"usec":260165},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279251,"noise_level":-24.384247,"freq_skew":5.198524,"avlc":{"src":{"addr":"3C48F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115043,"usec":35446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.569044,"noise_level":-23.853979,"freq_skew":6.078965,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115044,"usec":540974},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384322,"noise_level":-23.265228,"freq_skew":5.377895,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":123,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115046,"usec":878480},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.591121,"noise_level":-22.548693,"freq_skew":4.980574,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115049,"usec":898598},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.619309,"noise_level":-21.558954,"freq_skew":2.945416,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46446,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[73,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115050,"usec":651143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035763,"noise_level":-21.323130,"freq_skew":5.431637,"avlc":{"src":{"addr":"3C48F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115050,"usec":652703},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618449,"noise_level":-21.313021,"freq_skew":4.125878,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48633,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[30,79]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115050,"usec":663107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.672059,"noise_level":-21.485836,"freq_skew":3.499847,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115051,"usec":425520},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360747,"noise_level":-21.191975,"freq_skew":3.639889,"avlc":{"src":{"addr":"4D22B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35414,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,27,221,203]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":30,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115052,"usec":211776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954723,"noise_level":-21.132397,"freq_skew":5.425867,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115057,"usec":548639},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172929,"noise_level":-20.673462,"freq_skew":4.265451,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115058,"usec":304206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.719945,"noise_level":-20.609072,"freq_skew":3.585288,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115059,"usec":106414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895149,"noise_level":-20.522465,"freq_skew":0.588001,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115059,"usec":859078},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996629,"noise_level":-21.088940,"freq_skew":4.196337,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":145,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115064,"usec":421632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000897,"noise_level":-19.750223,"freq_skew":0.468564,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115064,"usec":424468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.462595,"noise_level":-19.733360,"freq_skew":2.313174,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115066,"usec":729227},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.916890,"noise_level":-19.234154,"freq_skew":5.671690,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[179,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115068,"usec":255302},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769399,"noise_level":-18.817322,"freq_skew":2.458122,"avlc":{"src":{"addr":"01023C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115069,"usec":9189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330254,"noise_level":-18.659575,"freq_skew":3.977006,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115070,"usec":516413},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487116,"noise_level":-18.863823,"freq_skew":3.876083,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":323,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115070,"usec":519031},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.644070,"noise_level":-18.840990,"freq_skew":3.754925,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115070,"usec":523455},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145395,"noise_level":-19.066141,"freq_skew":3.799944,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115070,"usec":529705},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809480,"noise_level":-19.003960,"freq_skew":4.391621,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115070,"usec":529705},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.809480,"noise_level":-19.003960,"freq_skew":4.391621,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115071,"usec":292450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.091341,"noise_level":-19.397900,"freq_skew":4.353727,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115071,"usec":297552},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419635,"noise_level":-19.897692,"freq_skew":3.777600,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115072,"usec":838328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.929966,"noise_level":-19.560930,"freq_skew":4.403930,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115075,"usec":112830},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.502153,"noise_level":-19.819134,"freq_skew":3.814309,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115075,"usec":883211},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167327,"noise_level":-19.787443,"freq_skew":3.526306,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-OEX","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"KJ5414","msg_num":"M16","msg_num_seq":"A","msg_text":"0E21131132","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":31,"sec":13}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115077,"usec":406243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717838,"noise_level":-19.704206,"freq_skew":0.666164,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115077,"usec":406763},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133922,"noise_level":-19.704206,"freq_skew":3.752516,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":245,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":153070},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.967477,"noise_level":-19.836720,"freq_skew":0.539815,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46467,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,242,153,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":153070},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.967477,"noise_level":-19.836720,"freq_skew":0.539815,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46467,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,181,44,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":31,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":155437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.696924,"noise_level":-19.802689,"freq_skew":3.747573,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":967529},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.102803,"noise_level":-19.810419,"freq_skew":3.718532,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":967529},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.102803,"noise_level":-19.810419,"freq_skew":3.718532,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,74,201,245,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115078,"usec":986267},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207806,"noise_level":-20.883705,"freq_skew":3.712968,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115079,"usec":727345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177045,"noise_level":-20.740646,"freq_skew":3.754069,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115079,"usec":732115},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671311,"noise_level":-20.877113,"freq_skew":0.019922,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[145,216,39,241]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":31,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115080,"usec":480801},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339763,"noise_level":-21.768515,"freq_skew":4.576295,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":489,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,83,65,83,0,76,173,151]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,83,65,83,0,76,173,151]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115080,"usec":483917},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665081,"noise_level":-21.736631,"freq_skew":-0.054527,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":62,"dst_ref":43277,"variable_part_params":[{"name":"atn_checksum","value":[221,4,50,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115081,"usec":233853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876060,"noise_level":-21.610252,"freq_skew":3.733071,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115081,"usec":245424},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982004,"noise_level":-22.407475,"freq_skew":0.767087,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46467,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,181,44,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":31,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115082,"usec":20420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013181,"noise_level":-22.742662,"freq_skew":4.211711,"avlc":{"src":{"addr":"4079D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115083,"usec":529242},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945686,"noise_level":-22.672913,"freq_skew":0.101012,"avlc":{"src":{"addr":"3C6447","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48639,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[174,127,34,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115084,"usec":280512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820833,"noise_level":-22.517838,"freq_skew":3.583674,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115084,"usec":298976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355946,"noise_level":-22.322729,"freq_skew":3.645080,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115085,"usec":33049},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.593143,"noise_level":-22.277451,"freq_skew":2.842843,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"EN055P","msg_num":"M51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115085,"usec":789258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352927,"noise_level":-22.180748,"freq_skew":4.332984,"avlc":{"src":{"addr":"4079D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115085,"usec":799804},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.572497,"noise_level":-22.189798,"freq_skew":0.549357,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115085,"usec":808399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214364,"noise_level":-22.089785,"freq_skew":4.386587,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115086,"usec":602169},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.414996,"noise_level":-21.990911,"freq_skew":9.000128,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VXZ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"ZD0000","msg_num":"M35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115086,"usec":602169},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.414996,"noise_level":-21.990911,"freq_skew":9.000128,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22634743","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,83,68,73,0,75,57,227,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115086,"usec":614116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176867,"noise_level":-21.871576,"freq_skew":0.560307,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115087,"usec":368701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.778642,"noise_level":-21.935116,"freq_skew":2.987514,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"EN055P","msg_num":"M52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115087,"usec":369201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.462293,"noise_level":-21.935116,"freq_skew":4.288906,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115088,"usec":878786},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.675409,"noise_level":-21.459938,"freq_skew":5.422595,"avlc":{"src":{"addr":"3C48F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115089,"usec":656786},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799595,"noise_level":-21.068150,"freq_skew":3.594691,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,74,201,245,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115091,"usec":152525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.476392,"noise_level":-21.580841,"freq_skew":9.073733,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115091,"usec":914477},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837198,"noise_level":-21.293877,"freq_skew":4.182046,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115092,"usec":665999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187272,"noise_level":-21.084709,"freq_skew":4.102621,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115093,"usec":475284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502351,"noise_level":-21.085590,"freq_skew":3.912675,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115094,"usec":247830},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848202,"noise_level":-21.927479,"freq_skew":3.679531,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,74,201,245,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115094,"usec":250435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176141,"noise_level":-21.905815,"freq_skew":4.293245,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115094,"usec":999079},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.938225,"noise_level":-22.839638,"freq_skew":2.684603,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43295,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[116,135,245,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115095,"usec":908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.619993,"noise_level":-22.935274,"freq_skew":0.470616,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115095,"usec":746925},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062284,"noise_level":-22.826357,"freq_skew":5.164451,"avlc":{"src":{"addr":"02A198","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":257,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115095,"usec":766541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479376,"noise_level":-22.636032,"freq_skew":0.791871,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115095,"usec":767496},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.388526,"noise_level":-22.624275,"freq_skew":5.492047,"avlc":{"src":{"addr":"3C48F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABGP","mode":"2","label":"_d","blk_id":"6","ack":"B","flight":"LH063U","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115097,"usec":273553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753115,"noise_level":-22.188875,"freq_skew":2.841752,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115098,"usec":33890},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956868,"noise_level":-21.892262,"freq_skew":4.553434,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,151,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115098,"usec":776049},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.589992,"noise_level":-21.710569,"freq_skew":2.987818,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115098,"usec":777325},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.326245,"noise_level":-21.678898,"freq_skew":0.435441,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUW","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH05EG","msg_num":"M16","msg_num_seq":"A","msg_text":"00009226706H4BVIHT RR-TBHX6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115100,"usec":353754},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899473,"noise_level":-21.098080,"freq_skew":4.854424,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"LIME"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":12.900001},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115100,"usec":358881},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970549,"noise_level":-21.058743,"freq_skew":5.928102,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":109,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[58,116,125,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115101,"usec":109289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872606,"noise_level":-20.934948,"freq_skew":4.160692,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115101,"usec":114170},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944605,"noise_level":-20.896339,"freq_skew":4.934980,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYW","mode":"2","label":"15","blk_id":"7","ack":"!","flight":"BA601Y","msg_num":"M47","msg_num_seq":"A","msg_text":"FST01LIPZEGLLN47030E0092426360 52 24 74273 384 12501131"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115101,"usec":128394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039089,"noise_level":-21.195873,"freq_skew":3.905446,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115101,"usec":862711},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846206,"noise_level":-21.311134,"freq_skew":3.648922,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115103,"usec":393431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857189,"noise_level":-21.080740,"freq_skew":4.792243,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115103,"usec":409158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796301,"noise_level":-20.934425,"freq_skew":5.071437,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115109,"usec":511877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243276,"noise_level":-19.730452,"freq_skew":5.953319,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115109,"usec":513981},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776287,"noise_level":-19.714550,"freq_skew":0.462796,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUW","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LH05EG","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115111,"usec":33732},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965419,"noise_level":-19.544956,"freq_skew":4.709495,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115111,"usec":776905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980259,"noise_level":-19.826641,"freq_skew":3.669569,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115111,"usec":800894},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842213,"noise_level":-20.015114,"freq_skew":3.696300,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":66,"dst_ref":43296,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[249,117,68,168]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115112,"usec":534337},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.344401,"noise_level":-20.520124,"freq_skew":0.906801,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUW","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LH05EG","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115112,"usec":536843},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944634,"noise_level":-20.501699,"freq_skew":3.850663,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115114,"usec":874543},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922630,"noise_level":-20.024307,"freq_skew":0.579042,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115115,"usec":628438},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891020,"noise_level":-20.741711,"freq_skew":3.672784,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115115,"usec":635034},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807351,"noise_level":-20.685131,"freq_skew":3.889590,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":66,"dst_ref":43296,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[249,117,68,168]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115115,"usec":637095},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.900519,"noise_level":-20.666353,"freq_skew":3.484872,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[3,3]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115116,"usec":382305},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.192978,"noise_level":-20.573071,"freq_skew":0.746027,"avlc":{"src":{"addr":"3C66B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46467,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[219,215,92,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115118,"usec":665121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096921,"noise_level":-21.114307,"freq_skew":4.268484,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115118,"usec":674422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162165,"noise_level":-22.145102,"freq_skew":3.600448,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115120,"usec":208832},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.909431,"noise_level":-22.050987,"freq_skew":7.896910,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBC","mode":"2","label":"85","blk_id":"3","ack":"!","flight":"PC78RD","msg_num":"M46","msg_num_seq":"A","msg_text":"PC78RD/15JUL26 11:31:54,1203"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115120,"usec":988187},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631204,"noise_level":-21.802645,"freq_skew":7.670895,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBC","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"PC78RD","msg_num":"M47","msg_num_seq":"A","msg_text":"PC78RD/15JUL26 11:31:54,14033,1203, 86,N 48.687 E 10.137"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115120,"usec":996133},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650283,"noise_level":-21.728142,"freq_skew":4.439883,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LIPX"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.500000},"alt":4000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115121,"usec":758399},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.053902,"noise_level":-21.539438,"freq_skew":3.592729,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48633,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[95,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115121,"usec":761880},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827953,"noise_level":-21.508385,"freq_skew":7.839134,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":327,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115121,"usec":762426},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.267876,"noise_level":-22.707787,"freq_skew":3.619792,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[175,40,77,42]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":31,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115123,"usec":250495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409035,"noise_level":-23.005619,"freq_skew":3.665594,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115123,"usec":258010},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557475,"noise_level":-23.082176,"freq_skew":4.490817,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"14004666","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,182,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115124,"usec":776117},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211413,"noise_level":-22.588638,"freq_skew":3.991397,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115125,"usec":534665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218876,"noise_level":-23.822584,"freq_skew":4.514667,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115125,"usec":549774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968925,"noise_level":-23.622581,"freq_skew":7.770606,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115127,"usec":91855},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556252,"noise_level":-24.148790,"freq_skew":1.704567,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":8.500000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115130,"usec":125687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711681,"noise_level":-24.870546,"freq_skew":1.380631,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115130,"usec":130484},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081119,"noise_level":-24.794790,"freq_skew":4.658977,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6030,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":132,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[134,38]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115130,"usec":137786},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280389,"noise_level":-24.689827,"freq_skew":3.634211,"avlc":{"src":{"addr":"4AC9F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115130,"usec":903798},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814404,"noise_level":-24.510036,"freq_skew":1.436175,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":177,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115131,"usec":656393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601638,"noise_level":-24.096661,"freq_skew":4.835326,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115133,"usec":182533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941343,"noise_level":-23.641502,"freq_skew":1.962739,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115134,"usec":735433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617145,"noise_level":-23.153498,"freq_skew":3.521288,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115134,"usec":746529},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.385365,"noise_level":-24.024057,"freq_skew":3.082557,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115135,"usec":499437},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.845184,"noise_level":-23.738892,"freq_skew":4.070178,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":11.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115137,"usec":762045},"freq":136975000,"burst_len_octets":115,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644098,"noise_level":-23.417336,"freq_skew":3.725850,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJS","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"EN03AJ","msg_num":"C12","msg_num_seq":"A","sublabel":"CF","msg_text":"MM1132070715ABQ\n11300613 1282833\n11303514 1282832\n11303514 1282833\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115138,"usec":525451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453364,"noise_level":-23.088917,"freq_skew":5.414274,"avlc":{"src":{"addr":"02A198","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115138,"usec":535516},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558292,"noise_level":-22.965836,"freq_skew":6.165513,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":331,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115141,"usec":629795},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261527,"noise_level":-22.152102,"freq_skew":6.147245,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":331,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115143,"usec":125670},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071542,"noise_level":-21.824511,"freq_skew":3.541246,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115143,"usec":143915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187175,"noise_level":-21.868652,"freq_skew":3.705740,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115144,"usec":647240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760950,"noise_level":-21.653866,"freq_skew":4.568582,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115145,"usec":399522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905511,"noise_level":-21.944138,"freq_skew":3.714381,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115145,"usec":417929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782327,"noise_level":-22.259315,"freq_skew":4.437945,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"RJ0125","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115151,"usec":531495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888027,"noise_level":-20.573292,"freq_skew":4.246636,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115154,"usec":620624},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571142,"noise_level":-19.991772,"freq_skew":4.169056,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJS","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"EN03AJ","msg_num":"M42","msg_num_seq":"A","msg_text":"00010209202Y8+A)GJAA4AL2T22L0LLILGTT62GTA4GAAP4LTLA020A0+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115156,"usec":905354},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174701,"noise_level":-20.914782,"freq_skew":4.599471,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48638,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[154,90,242,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115156,"usec":907555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551703,"noise_level":-20.895500,"freq_skew":5.817177,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115157,"usec":653850},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733062,"noise_level":-21.622643,"freq_skew":3.596555,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115163,"usec":1493},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717314,"noise_level":-19.986105,"freq_skew":3.772806,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115163,"usec":9325},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915679,"noise_level":-19.982721,"freq_skew":3.975829,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":11.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115163,"usec":769345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.272284,"noise_level":-19.777122,"freq_skew":3.798481,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115164,"usec":534418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914998,"noise_level":-20.433847,"freq_skew":3.851165,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115165,"usec":267448},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.032952,"noise_level":-20.199631,"freq_skew":3.960598,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115171,"usec":408593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134180,"noise_level":-20.514359,"freq_skew":3.943177,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115172,"usec":915492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.725008,"noise_level":-21.592392,"freq_skew":3.950151,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115174,"usec":497984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741415,"noise_level":-22.420443,"freq_skew":5.323534,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115175,"usec":241002},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815945,"noise_level":-22.317755,"freq_skew":4.457262,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[39,151,173,15]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[149,39,80,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":32,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115175,"usec":242353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.033010,"noise_level":-22.306421,"freq_skew":4.725694,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115175,"usec":246835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018437,"noise_level":-22.261227,"freq_skew":7.581153,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115175,"usec":260617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.655241,"noise_level":-22.517029,"freq_skew":2.219426,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115179,"usec":40026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873736,"noise_level":-25.168343,"freq_skew":2.425030,"avlc":{"src":{"addr":"3C6742","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115182,"usec":878928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418095,"noise_level":-23.355577,"freq_skew":4.410909,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115183,"usec":631076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480309,"noise_level":-23.140955,"freq_skew":5.517591,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115185,"usec":148630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.999825,"noise_level":-22.983192,"freq_skew":4.340131,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115185,"usec":918632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.064134,"noise_level":-22.518282,"freq_skew":4.421488,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115188,"usec":221769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176070,"noise_level":-22.910290,"freq_skew":2.848375,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115188,"usec":239091},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892116,"noise_level":-23.604033,"freq_skew":4.223799,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AERA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"3S0623","msg_num":"O73","msg_num_seq":"A","sublabel":"10","msg_text":"SB0122BA_D-AERA VABBEDDF440\r\n 49932 0089841133 10851 000241004010NXW009013"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115188,"usec":242140},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042775,"noise_level":-23.877930,"freq_skew":5.301976,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48663,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[207,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115196,"usec":632029},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870645,"noise_level":-24.222099,"freq_skew":4.439452,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,157,72,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":33,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115199,"usec":668966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996986,"noise_level":-24.806566,"freq_skew":4.250360,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115204,"usec":252140},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835175,"noise_level":-25.902340,"freq_skew":3.363609,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINZ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH02EL","msg_num":"D91","msg_num_seq":"F","sublabel":"DF","msg_text":"5,53,170,007,000,026,0/N60484,0777,53,169,006,000,028,0/S61105,3666,019,014,202,38,13912,2/T61104,3672,019,012,187,40,13918,2/X61501,N0250,237,015,035,018,009,1/E70570,0806,53,169,007,000,025,0/N70570,0807,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115205,"usec":11541},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089434,"noise_level":-26.407644,"freq_skew":3.788756,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60207,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":33,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115206,"usec":551784},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736090,"noise_level":-27.508385,"freq_skew":3.856943,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115208,"usec":90758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979501,"noise_level":-27.885239,"freq_skew":7.695165,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115208,"usec":851040},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053485,"noise_level":-28.373842,"freq_skew":4.524032,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[124,100,223,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115211,"usec":150644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850398,"noise_level":-26.423485,"freq_skew":4.601377,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115212,"usec":651948},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067470,"noise_level":-25.842838,"freq_skew":4.070051,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115214,"usec":227976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025155,"noise_level":-25.417091,"freq_skew":3.826693,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115215,"usec":750858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461167,"noise_level":-25.528421,"freq_skew":4.536051,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBN","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"PC870R","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115217,"usec":266986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563273,"noise_level":-24.961575,"freq_skew":4.572433,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115220,"usec":290620},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963880,"noise_level":-23.904079,"freq_skew":2.126685,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115221,"usec":86161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927104,"noise_level":-23.649168,"freq_skew":3.936111,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115221,"usec":850166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734103,"noise_level":-23.286638,"freq_skew":2.150662,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115222,"usec":614857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.531365,"noise_level":-22.902164,"freq_skew":4.292818,"avlc":{"src":{"addr":"408033","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115227,"usec":158170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782946,"noise_level":-21.827854,"freq_skew":4.856764,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115230,"usec":241090},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109111,"noise_level":-21.754131,"freq_skew":1.800608,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48646,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[191,120,56,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115231,"usec":21064},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529959,"noise_level":-21.820002,"freq_skew":6.078374,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21040,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,21,78,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115231,"usec":32353},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152997,"noise_level":-21.954151,"freq_skew":6.919822,"avlc":{"src":{"addr":"44CDC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115232,"usec":527697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680617,"noise_level":-22.725336,"freq_skew":3.631134,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115233,"usec":287524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061570,"noise_level":-22.715719,"freq_skew":3.534577,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115240,"usec":151045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737445,"noise_level":-25.746696,"freq_skew":4.657854,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115243,"usec":261173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990273,"noise_level":-25.391447,"freq_skew":1.517041,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBF","mode":"2","label":"_d","blk_id":"1","ack":"B","flight":"LH08NL","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115244,"usec":5462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820258,"noise_level":-25.734444,"freq_skew":7.704113,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115244,"usec":776999},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939560,"noise_level":-25.928730,"freq_skew":4.031301,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH09VT","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115246,"usec":278304},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001001,"noise_level":-26.679455,"freq_skew":3.938665,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115246,"usec":278304},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.001001,"noise_level":-26.679455,"freq_skew":3.938665,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH09VT","msg_num":"M45","msg_num_seq":"A","msg_text":"00035226743198:8KYNM26YVVD-"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115246,"usec":297053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.963676,"noise_level":-26.330479,"freq_skew":5.891887,"avlc":{"src":{"addr":"44CDC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115248,"usec":612418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755887,"noise_level":-25.169445,"freq_skew":5.033800,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115250,"usec":110998},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.268632,"noise_level":-25.402651,"freq_skew":4.192643,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH09VT","msg_num":"M45","msg_num_seq":"A","msg_text":"00035226743198:8KYNM26YVVD-"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115252,"usec":388829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134748,"noise_level":-24.646633,"freq_skew":2.057497,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115252,"usec":412554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119409,"noise_level":-24.444786,"freq_skew":4.710711,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AFA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZT","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR40NP","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115253,"usec":163869},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086189,"noise_level":-24.201889,"freq_skew":4.026830,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH09VT","msg_num":"M45","msg_num_seq":"A","msg_text":"00035226743198:8KYNM26YVVD-"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115255,"usec":473462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309918,"noise_level":-24.009548,"freq_skew":5.871588,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115263,"usec":104041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967301,"noise_level":-23.003162,"freq_skew":2.006109,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115267,"usec":660768},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534317,"noise_level":-23.583281,"freq_skew":1.854802,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115267,"usec":678988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609503,"noise_level":-23.350248,"freq_skew":4.555909,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115278,"usec":401103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523211,"noise_level":-22.839325,"freq_skew":4.742804,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115279,"usec":151409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166752,"noise_level":-22.578306,"freq_skew":4.377877,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115282,"usec":232126},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368936,"noise_level":-21.492052,"freq_skew":4.259853,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENH","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"EN06MF","msg_num":"M92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115282,"usec":990065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088481,"noise_level":-22.081047,"freq_skew":5.183214,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115286,"usec":771775},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.592723,"noise_level":-22.618385,"freq_skew":3.911582,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115287,"usec":539363},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576325,"noise_level":-22.467064,"freq_skew":4.531406,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115292,"usec":141657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283129,"noise_level":-23.001587,"freq_skew":5.720098,"avlc":{"src":{"addr":"44CDC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115292,"usec":896050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.629442,"noise_level":-22.747631,"freq_skew":4.149818,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115292,"usec":901778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868180,"noise_level":-23.332644,"freq_skew":4.624557,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115294,"usec":419256},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.585464,"noise_level":-22.741318,"freq_skew":4.049730,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH09VT","msg_num":"M45","msg_num_seq":"A","msg_text":"00035226743198:8KYNM26YVVD-"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115295,"usec":219300},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723690,"noise_level":-22.460096,"freq_skew":3.673110,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2503,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[80,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115295,"usec":974623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.357183,"noise_level":-23.305084,"freq_skew":3.272964,"avlc":{"src":{"addr":"46B927","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115295,"usec":989814},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207676,"noise_level":-23.128971,"freq_skew":4.188983,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115300,"usec":524021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.579461,"noise_level":-23.665672,"freq_skew":4.253011,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115304,"usec":370291},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258127,"noise_level":-22.172384,"freq_skew":3.490425,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-OEX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"KJ5414","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115305,"usec":151177},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277027,"noise_level":-21.758539,"freq_skew":3.618963,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115308,"usec":189673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.433339,"noise_level":-21.625843,"freq_skew":5.741540,"avlc":{"src":{"addr":"44CDC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115310,"usec":489346},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178517,"noise_level":-21.212761,"freq_skew":3.639947,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-OEX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"KJ5414","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115312,"usec":11976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487476,"noise_level":-21.160583,"freq_skew":1.880639,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115313,"usec":547342},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261373,"noise_level":-21.200216,"freq_skew":4.016356,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":361,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115316,"usec":607424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.259120,"noise_level":-22.325518,"freq_skew":4.044433,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115318,"usec":124777},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581571,"noise_level":-22.088005,"freq_skew":4.761319,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43321,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[231,111,49,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115319,"usec":646808},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.591823,"noise_level":-21.552534,"freq_skew":4.850560,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115319,"usec":652035},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712273,"noise_level":-21.521433,"freq_skew":2.009143,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46491,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[3,51,62,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115319,"usec":665569},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482543,"noise_level":-21.428787,"freq_skew":3.098731,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":417,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115320,"usec":409137},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477820,"noise_level":-21.804197,"freq_skew":4.416564,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":710,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[58,210]},{"name":"atn_checksum","value":[95,129,199,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115321,"usec":179635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572783,"noise_level":-21.605347,"freq_skew":3.739941,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115321,"usec":922983},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930865,"noise_level":-22.701279,"freq_skew":5.753649,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115322,"usec":717686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825210,"noise_level":-22.627811,"freq_skew":3.903137,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115325,"usec":5948},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.512014,"noise_level":-22.331163,"freq_skew":3.982399,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AERA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"3S0623","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115325,"usec":756124},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785136,"noise_level":-22.949598,"freq_skew":5.944920,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21040,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,21,78,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115325,"usec":768374},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674768,"noise_level":-22.816441,"freq_skew":4.643597,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43321,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[61,60,99,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115326,"usec":516746},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668575,"noise_level":-22.781342,"freq_skew":3.889449,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115331,"usec":129741},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.492424,"noise_level":-22.581099,"freq_skew":4.826141,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCZ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR63UE","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115331,"usec":889827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474859,"noise_level":-22.413263,"freq_skew":2.893934,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115332,"usec":647679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221571,"noise_level":-23.014753,"freq_skew":4.073385,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115333,"usec":403141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756838,"noise_level":-22.748491,"freq_skew":5.083311,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115333,"usec":417137},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571474,"noise_level":-22.640343,"freq_skew":4.165616,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR42CH","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115334,"usec":175817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016840,"noise_level":-22.350925,"freq_skew":4.997843,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115334,"usec":177953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560637,"noise_level":-22.428629,"freq_skew":3.505004,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115335,"usec":681458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826045,"noise_level":-22.105820,"freq_skew":4.191660,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115337,"usec":239254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785087,"noise_level":-22.119825,"freq_skew":3.973539,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115338,"usec":8216},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459579,"noise_level":-21.969721,"freq_skew":4.356774,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[152,130,56,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115340,"usec":295720},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102176,"noise_level":-21.099463,"freq_skew":2.051030,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":171,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115341,"usec":786764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305823,"noise_level":-21.909229,"freq_skew":1.986504,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115344,"usec":882118},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798894,"noise_level":-22.185894,"freq_skew":4.656023,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":126,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115344,"usec":901402},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.852592,"noise_level":-22.949656,"freq_skew":5.000615,"avlc":{"src":{"addr":"440325","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OELGG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0001","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115348,"usec":669528},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201239,"noise_level":-23.446239,"freq_skew":6.130375,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115348,"usec":674363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296566,"noise_level":-23.381899,"freq_skew":4.740316,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115348,"usec":674901},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600852,"noise_level":-23.381899,"freq_skew":5.927535,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115348,"usec":682259},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929085,"noise_level":-23.674770,"freq_skew":5.919052,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":30,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,74,85,0,68,12,49],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115349,"usec":483198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.646191,"noise_level":-23.843508,"freq_skew":5.107344,"avlc":{"src":{"addr":"440325","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115350,"usec":991049},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.206875,"noise_level":-23.828217,"freq_skew":4.933697,"avlc":{"src":{"addr":"440325","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115351,"usec":6718},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644985,"noise_level":-23.654503,"freq_skew":3.972804,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17053101","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,66,79,88,0,60,86,65,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115352,"usec":515555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898269,"noise_level":-23.341112,"freq_skew":5.944980,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115352,"usec":520776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084191,"noise_level":-23.319225,"freq_skew":4.094086,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115353,"usec":276348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926921,"noise_level":-23.068312,"freq_skew":3.796879,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115353,"usec":280951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462884,"noise_level":-23.006699,"freq_skew":3.583774,"avlc":{"src":{"addr":"73805C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115354,"usec":799789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778033,"noise_level":-22.390577,"freq_skew":4.729501,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115356,"usec":349912},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.942963,"noise_level":-22.547529,"freq_skew":5.229525,"avlc":{"src":{"addr":"440325","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115356,"usec":356911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875936,"noise_level":-22.501066,"freq_skew":4.184114,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115357,"usec":106871},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708612,"noise_level":-22.272415,"freq_skew":3.162884,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZI","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"LH02SZ","msg_num":"M76","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115357,"usec":116165},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.064716,"noise_level":-22.204975,"freq_skew":5.101928,"avlc":{"src":{"addr":"440325","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115360,"usec":903555},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882071,"noise_level":-20.813124,"freq_skew":5.994146,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115363,"usec":999167},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630223,"noise_level":-21.482332,"freq_skew":4.040646,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AERA","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"3S0623","msg_num":"S70","msg_num_seq":"A","msg_text":"0LS1136022","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":11,"min":36,"sec":2}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115364,"usec":9143},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813284,"noise_level":-21.379913,"freq_skew":4.883416,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43321,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[146,9,149,213]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43321,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,218,248,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":36,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115365,"usec":509434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635475,"noise_level":-21.069881,"freq_skew":4.206306,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115365,"usec":513880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571725,"noise_level":-21.849901,"freq_skew":3.817480,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115366,"usec":272053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926029,"noise_level":-21.648060,"freq_skew":4.218979,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115367,"usec":32904},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.606089,"noise_level":-22.219501,"freq_skew":4.133254,"avlc":{"src":{"addr":"4079D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-LCAG","mode":"2","label":"_d","blk_id":"9","ack":"R","flight":"CJ3279","msg_num":"M46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115373,"usec":139384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846656,"noise_level":-21.076633,"freq_skew":3.951890,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115373,"usec":152583},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512795,"noise_level":-20.988590,"freq_skew":4.671211,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43321,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[119,113,185,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":36,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115374,"usec":660370},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.548002,"noise_level":-21.318130,"freq_skew":4.925257,"avlc":{"src":{"addr":"46B821","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115375,"usec":416116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652247,"noise_level":-21.589556,"freq_skew":4.054034,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115376,"usec":997043},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107384,"noise_level":-21.024256,"freq_skew":3.524424,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":246,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115377,"usec":5343},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876688,"noise_level":-20.965815,"freq_skew":3.627887,"avlc":{"src":{"addr":"503FC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115377,"usec":763756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780725,"noise_level":-20.726452,"freq_skew":6.026291,"avlc":{"src":{"addr":"407E60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115380,"usec":779657},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676896,"noise_level":-19.958689,"freq_skew":4.753604,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":710,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[58,210]},{"name":"atn_checksum","value":[95,129,199,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115380,"usec":792141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492547,"noise_level":-19.847027,"freq_skew":4.907772,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115381,"usec":551578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625082,"noise_level":-19.602989,"freq_skew":3.420134,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115386,"usec":907632},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167976,"noise_level":-20.506893,"freq_skew":4.188704,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":493,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115389,"usec":986742},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499655,"noise_level":-20.763290,"freq_skew":5.336458,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115390,"usec":745650},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773798,"noise_level":-20.659590,"freq_skew":4.317549,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1856,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43092,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[146,135]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115393,"usec":18900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271534,"noise_level":-20.923460,"freq_skew":4.363670,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115393,"usec":29862},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.451381,"noise_level":-21.768599,"freq_skew":3.736423,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115395,"usec":314571},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453845,"noise_level":-20.956013,"freq_skew":5.479066,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LRCL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":91000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115396,"usec":57036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370868,"noise_level":-20.821308,"freq_skew":5.328845,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GJS","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR05PF","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115396,"usec":861487},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573707,"noise_level":-21.097095,"freq_skew":3.744259,"avlc":{"src":{"addr":"4CAEE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2506,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[25,76]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115396,"usec":876763},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.384235,"noise_level":-20.969910,"freq_skew":1.625810,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115397,"usec":628510},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.646629,"noise_level":-21.955757,"freq_skew":1.590913,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115397,"usec":632427},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784883,"noise_level":-21.923180,"freq_skew":5.481658,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115398,"usec":372374},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741782,"noise_level":-21.762102,"freq_skew":4.435472,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115398,"usec":375829},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.439858,"noise_level":-21.709064,"freq_skew":1.551707,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSGLF","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"GS0001","msg_num":"M05","msg_num_seq":"A","msg_text":"0E21136322","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":36,"sec":32}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115401,"usec":422502},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977934,"noise_level":-21.264549,"freq_skew":1.377973,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBF","mode":"2","label":"_d","blk_id":"4","ack":"E","flight":"LH08NL","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115403,"usec":725813},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.183921,"noise_level":-20.700521,"freq_skew":1.497030,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,131,80,52,0,73,29,134,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115405,"usec":269550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808658,"noise_level":-21.154922,"freq_skew":3.783746,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115406,"usec":766035},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937608,"noise_level":-21.545410,"freq_skew":4.576648,"avlc":{"src":{"addr":"46B82D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":117,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43330,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[165,231,139,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115407,"usec":544623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364958,"noise_level":-21.540430,"freq_skew":4.258298,"avlc":{"src":{"addr":"46B82D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115409,"usec":848803},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623960,"noise_level":-23.963671,"freq_skew":4.436421,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115409,"usec":848803},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.623960,"noise_level":-23.963671,"freq_skew":4.436421,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[169,153,134,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115409,"usec":868205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023380,"noise_level":-24.441090,"freq_skew":3.860376,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115411,"usec":365389},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775711,"noise_level":-23.989559,"freq_skew":4.381136,"avlc":{"src":{"addr":"46B82D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":119,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115412,"usec":126168},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662966,"noise_level":-23.686428,"freq_skew":4.204126,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":497,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115412,"usec":133834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461629,"noise_level":-23.944166,"freq_skew":3.145879,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115412,"usec":136735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472589,"noise_level":-24.673786,"freq_skew":4.155293,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115413,"usec":667041},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800138,"noise_level":-25.502613,"freq_skew":3.102764,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZI","mode":"2","label":"H2","blk_id":"0","ack":"!","flight":"LH02SZ","msg_num":"M78","msg_num_seq":"B","msg_text":"811361861M177033006G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115413,"usec":669046},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.717365,"noise_level":-25.469942,"freq_skew":3.721771,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115414,"usec":413581},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685915,"noise_level":-25.356550,"freq_skew":4.172386,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1859,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":148,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[150,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":36,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115415,"usec":186941},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931062,"noise_level":-24.780617,"freq_skew":2.319561,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46491,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[3,51,62,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115415,"usec":193028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630909,"noise_level":-24.690716,"freq_skew":4.215300,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115415,"usec":931223},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782724,"noise_level":-25.320339,"freq_skew":4.253814,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,151,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115415,"usec":932388},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706409,"noise_level":-25.304327,"freq_skew":3.704743,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60207,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[0,1]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115418,"usec":248853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957611,"noise_level":-24.808371,"freq_skew":4.014911,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"LH09VT","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115418,"usec":256777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074124,"noise_level":-24.688330,"freq_skew":4.254744,"avlc":{"src":{"addr":"46B82D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115422,"usec":49617},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918725,"noise_level":-24.301304,"freq_skew":4.045444,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUP","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"LH09VT","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115423,"usec":581822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531279,"noise_level":-23.472719,"freq_skew":7.450252,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115428,"usec":920481},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696085,"noise_level":-23.462917,"freq_skew":4.186687,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1861,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":148,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[212,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115428,"usec":928273},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602652,"noise_level":-23.308998,"freq_skew":5.108593,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":6.200000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115431,"usec":252844},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648394,"noise_level":-23.225853,"freq_skew":1.426931,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":178,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115431,"usec":263454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489703,"noise_level":-23.113253,"freq_skew":4.736896,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115432,"usec":5760},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.231856,"noise_level":-24.708981,"freq_skew":4.272688,"avlc":{"src":{"addr":"4079D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115432,"usec":8047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861829,"noise_level":-24.634617,"freq_skew":3.948519,"avlc":{"src":{"addr":"3C5641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115433,"usec":543049},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749819,"noise_level":-24.033861,"freq_skew":4.018080,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1862,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":148,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[212,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115434,"usec":288215},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432831,"noise_level":-23.761765,"freq_skew":4.226769,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBN","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"PC870R","msg_num":"M92","msg_num_seq":"A","msg_text":"PC870R/15JUL26 11:37:06,34997,1424, 176,N 50.242 E 11.733"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115434,"usec":288215},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.432831,"noise_level":-23.761765,"freq_skew":4.226769,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[152,130,56,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115435,"usec":44670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850233,"noise_level":-24.280334,"freq_skew":4.370615,"avlc":{"src":{"addr":"4D2449","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115441,"usec":164602},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.580852,"noise_level":-23.310823,"freq_skew":3.274520,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":51,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60225,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[123,171,238,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115441,"usec":170773},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952688,"noise_level":-23.234859,"freq_skew":3.528752,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115443,"usec":445526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025275,"noise_level":-23.451496,"freq_skew":3.160446,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115443,"usec":448941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181918,"noise_level":-23.412809,"freq_skew":6.193737,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115445,"usec":760904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911429,"noise_level":-22.602606,"freq_skew":2.715135,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115450,"usec":351672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033608,"noise_level":-21.816931,"freq_skew":3.431589,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115451,"usec":133834},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267228,"noise_level":-21.429539,"freq_skew":4.529397,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":710,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[216,140]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115451,"usec":897685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980487,"noise_level":-21.157370,"freq_skew":4.676427,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115452,"usec":640656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012103,"noise_level":-21.019533,"freq_skew":9.048106,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":10,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115452,"usec":647655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993148,"noise_level":-20.961123,"freq_skew":3.716762,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115456,"usec":440816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649679,"noise_level":-21.307980,"freq_skew":2.871491,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":304,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115458,"usec":9270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760133,"noise_level":-26.163427,"freq_skew":2.562274,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115458,"usec":11099},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571261,"noise_level":-26.145786,"freq_skew":3.012641,"avlc":{"src":{"addr":"3C4A22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115458,"usec":11813},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536027,"noise_level":-27.212658,"freq_skew":4.583952,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR79ZL","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115458,"usec":748211},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632346,"noise_level":-27.713509,"freq_skew":2.749482,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[163,149,240,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115459,"usec":504406},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013621,"noise_level":-27.484343,"freq_skew":5.539863,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115459,"usec":516936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701920,"noise_level":-27.241055,"freq_skew":2.630106,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115460,"usec":267809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311201,"noise_level":-28.904972,"freq_skew":3.106479,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115460,"usec":268699},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835876,"noise_level":-28.880791,"freq_skew":5.781671,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115460,"usec":277713},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.960478,"noise_level":-28.689737,"freq_skew":4.445722,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115460,"usec":287448},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736118,"noise_level":-28.479710,"freq_skew":4.799527,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":711,"dst_ref":48691,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[207,108,33,112]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115461,"usec":45921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920187,"noise_level":-28.008522,"freq_skew":4.013915,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115461,"usec":52459},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431993,"noise_level":-27.900005,"freq_skew":5.902222,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48663,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[203,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115461,"usec":785326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033111,"noise_level":-27.814157,"freq_skew":4.406077,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115461,"usec":797837},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339047,"noise_level":-27.561586,"freq_skew":5.493923,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48663,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[199,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115461,"usec":798371},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.110165,"noise_level":-27.561586,"freq_skew":3.136376,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LS041M","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115464,"usec":67023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553139,"noise_level":-26.254448,"freq_skew":5.667458,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115464,"usec":882302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927748,"noise_level":-25.869514,"freq_skew":2.729953,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115464,"usec":887776},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518636,"noise_level":-26.681082,"freq_skew":4.519464,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115466,"usec":397532},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720019,"noise_level":-26.068666,"freq_skew":4.481830,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48693,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[203,141,64,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":37,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115467,"usec":149247},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986377,"noise_level":-26.307905,"freq_skew":5.808232,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115468,"usec":676178},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.660608,"noise_level":-25.356422,"freq_skew":3.277290,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115468,"usec":676618},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.630237,"noise_level":-25.340343,"freq_skew":4.656056,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48693,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,73,105,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115469,"usec":418630},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077116,"noise_level":-25.165421,"freq_skew":7.286719,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":250,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115471,"usec":750959},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.425180,"noise_level":-25.879042,"freq_skew":3.348374,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115471,"usec":764680},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.647410,"noise_level":-25.760220,"freq_skew":1.565535,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115473,"usec":261213},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550767,"noise_level":-25.714617,"freq_skew":1.441964,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":42497,"dst_ref":52021,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[168,229,208,17]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115473,"usec":273883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.816835,"noise_level":-25.548508,"freq_skew":5.558671,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115474,"usec":38970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278658,"noise_level":-25.699856,"freq_skew":2.719614,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115474,"usec":784639},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390583,"noise_level":-25.501236,"freq_skew":5.619703,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":16,"dst_ref":43339,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[207,173]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115474,"usec":802214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795320,"noise_level":-25.645550,"freq_skew":7.433337,"avlc":{"src":{"addr":"4BB843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115477,"usec":64180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952697,"noise_level":-24.626295,"freq_skew":1.612995,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115477,"usec":72321},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035496,"noise_level":-24.523338,"freq_skew":2.587816,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115479,"usec":387649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801754,"noise_level":-24.285881,"freq_skew":5.848122,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115480,"usec":908219},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944005,"noise_level":-23.536654,"freq_skew":3.492279,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"EN03AJ","msg_num":"F18","msg_num_seq":"A","sublabel":"M1","msg_text":"RESFPN/RJ,077/TS113757,1507269E41"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115482,"usec":407660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120604,"noise_level":-23.039045,"freq_skew":3.144965,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115483,"usec":197572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547908,"noise_level":-23.396225,"freq_skew":3.339664,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115483,"usec":938591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048864,"noise_level":-23.611584,"freq_skew":4.336824,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115484,"usec":742816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403939,"noise_level":-23.766144,"freq_skew":5.771562,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115487,"usec":772993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251507,"noise_level":-23.170151,"freq_skew":1.982128,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115488,"usec":530601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751188,"noise_level":-22.874937,"freq_skew":5.687518,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115488,"usec":535966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894773,"noise_level":-23.847904,"freq_skew":4.377731,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115491,"usec":633863},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529309,"noise_level":-23.540485,"freq_skew":4.381132,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,123,145,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":38,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115493,"usec":885391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.510864,"noise_level":-23.317581,"freq_skew":3.999701,"avlc":{"src":{"addr":"408033","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115493,"usec":892700},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934628,"noise_level":-23.332802,"freq_skew":1.774785,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115498,"usec":495480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636888,"noise_level":-22.737343,"freq_skew":4.275117,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115499,"usec":252544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554271,"noise_level":-22.444729,"freq_skew":4.374973,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115499,"usec":264393},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193229,"noise_level":-24.401302,"freq_skew":1.772964,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115500,"usec":14332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.809922,"noise_level":-25.356651,"freq_skew":3.461189,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115500,"usec":781703},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978243,"noise_level":-25.455463,"freq_skew":2.782790,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115503,"usec":60072},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972359,"noise_level":-26.034691,"freq_skew":3.970214,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRS","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH02MF","msg_num":"M64","msg_num_seq":"A","msg_text":"00296209211G:4++YW2GYOA0N 6LC+88*:4J4YY0-0CMYYHE:M)3*:1RR-11++G"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115503,"usec":808473},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.095189,"noise_level":-26.489803,"freq_skew":3.916222,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":6.600000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115504,"usec":579920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584363,"noise_level":-26.726933,"freq_skew":3.857666,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115506,"usec":892879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654344,"noise_level":-25.564602,"freq_skew":4.557919,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115510,"usec":746185},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721555,"noise_level":-25.679695,"freq_skew":2.817393,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH05MW","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115511,"usec":486794},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509890,"noise_level":-26.412071,"freq_skew":3.006057,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17045516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,75,78,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115512,"usec":260431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256262,"noise_level":-27.098265,"freq_skew":3.479793,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115516,"usec":803180},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746284,"noise_level":-27.157139,"freq_skew":3.202737,"avlc":{"src":{"addr":"3C654A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115517,"usec":574062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.334342,"noise_level":-26.453779,"freq_skew":2.900855,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115518,"usec":364794},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431296,"noise_level":-26.166418,"freq_skew":2.868355,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":311,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[193,206,80,208]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43338,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[193,116,77,0]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115518,"usec":367623},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.650522,"noise_level":-26.297401,"freq_skew":2.660232,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48692,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,36,192,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":38,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115519,"usec":136131},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737481,"noise_level":-25.826185,"freq_skew":5.692341,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":41,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":8,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115523,"usec":698569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281091,"noise_level":-23.422676,"freq_skew":5.909116,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115524,"usec":458435},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.490757,"noise_level":-23.124475,"freq_skew":3.969201,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1907,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115527,"usec":536821},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714068,"noise_level":-21.896233,"freq_skew":1.766907,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[109,51,240,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115528,"usec":299439},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152164,"noise_level":-21.651203,"freq_skew":4.014373,"avlc":{"src":{"addr":"44083B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115532,"usec":111828},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.346286,"noise_level":-21.769808,"freq_skew":4.865177,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48578,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[46,117]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115532,"usec":112530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356155,"noise_level":-21.759165,"freq_skew":1.985343,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115534,"usec":410313},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766902,"noise_level":-20.841513,"freq_skew":2.681774,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48692,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[208,214,67,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115535,"usec":148355},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.993961,"noise_level":-21.514679,"freq_skew":1.915085,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[44,80,205,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115535,"usec":918819},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.746547,"noise_level":-21.290110,"freq_skew":3.832443,"avlc":{"src":{"addr":"4B18F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115535,"usec":923457},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745428,"noise_level":-21.259930,"freq_skew":1.520518,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115535,"usec":924407},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501175,"noise_level":-21.601355,"freq_skew":4.169648,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4927,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43195,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[249,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115537,"usec":451244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642236,"noise_level":-23.690670,"freq_skew":4.210703,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115539,"usec":1531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720132,"noise_level":-24.700640,"freq_skew":4.697180,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115539,"usec":754375},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829729,"noise_level":-25.011204,"freq_skew":4.088082,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCG","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"SK041W","msg_num":"J19","msg_num_seq":"A","msg_text":"/ESSA.TI2/000ESSAA63EA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115545,"usec":864934},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064991,"noise_level":-25.738640,"freq_skew":4.324218,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[25,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115545,"usec":876721},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662548,"noise_level":-25.555592,"freq_skew":3.355113,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115545,"usec":878196},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207448,"noise_level":-25.522720,"freq_skew":4.367675,"avlc":{"src":{"addr":"48C2AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4931,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52771,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[33,16]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115547,"usec":399686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083850,"noise_level":-25.716703,"freq_skew":4.685417,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115549,"usec":666839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.676854,"noise_level":-25.125694,"freq_skew":3.296077,"avlc":{"src":{"addr":"3C55C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115551,"usec":228851},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078433,"noise_level":-24.898716,"freq_skew":2.125464,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115556,"usec":551525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193071,"noise_level":-22.665749,"freq_skew":4.007918,"avlc":{"src":{"addr":"4CAD97","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCG","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"SK041W","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115556,"usec":556757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006894,"noise_level":-22.583496,"freq_skew":3.868589,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115557,"usec":313862},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594269,"noise_level":-23.071712,"freq_skew":4.994673,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115558,"usec":64927},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366222,"noise_level":-23.502121,"freq_skew":4.457155,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115558,"usec":64927},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.366222,"noise_level":-23.502121,"freq_skew":4.457155,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":43240,"variable_part_params":[{"name":"atn_checksum","value":[90,138,35,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115558,"usec":862148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.568370,"noise_level":-23.795532,"freq_skew":2.789033,"avlc":{"src":{"addr":"44CDD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115558,"usec":865830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.128315,"noise_level":-23.662102,"freq_skew":3.313604,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115560,"usec":411788},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871724,"noise_level":-23.830360,"freq_skew":4.677260,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43347,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[51,237,205,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115561,"usec":158407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524224,"noise_level":-23.689190,"freq_skew":3.493784,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115561,"usec":166153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214610,"noise_level":-23.609858,"freq_skew":2.146354,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115561,"usec":170746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974161,"noise_level":-23.766003,"freq_skew":2.788169,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115561,"usec":905524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174156,"noise_level":-23.946899,"freq_skew":4.563161,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115563,"usec":424987},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.620874,"noise_level":-23.835575,"freq_skew":3.910986,"avlc":{"src":{"addr":"4CADBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1908,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52418,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[212,187]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115564,"usec":182457},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.746492,"noise_level":-23.661718,"freq_skew":3.378526,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":60225,"variable_part_params":[{"name":"atn_checksum","value":[133,163,175,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115564,"usec":186412},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441977,"noise_level":-23.608917,"freq_skew":5.834909,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48663,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[132,199]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115564,"usec":946765},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470855,"noise_level":-23.902771,"freq_skew":5.668584,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48663,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[188,56]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115565,"usec":762065},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274014,"noise_level":-23.995125,"freq_skew":5.608616,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48663,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[87,206]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":39,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115565,"usec":770137},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537514,"noise_level":-24.217672,"freq_skew":4.153708,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115565,"usec":770606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.031379,"noise_level":-24.217672,"freq_skew":3.034623,"avlc":{"src":{"addr":"44CDD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115566,"usec":513390},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294476,"noise_level":-24.036079,"freq_skew":2.566672,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48692,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[153,67,112,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115567,"usec":262264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218669,"noise_level":-24.262627,"freq_skew":5.581009,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115579,"usec":493174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605661,"noise_level":-22.919617,"freq_skew":5.690618,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115587,"usec":143738},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018376,"noise_level":-20.374849,"freq_skew":4.141766,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115587,"usec":158400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.669297,"noise_level":-20.720100,"freq_skew":1.761303,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115592,"usec":508169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679358,"noise_level":-19.255920,"freq_skew":3.931437,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115593,"usec":266667},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716307,"noise_level":-19.082262,"freq_skew":3.047369,"avlc":{"src":{"addr":"3C654A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJJ","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"LH0X2H","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115595,"usec":536407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108333,"noise_level":-18.827736,"freq_skew":4.130926,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115597,"usec":51322},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898798,"noise_level":-19.514690,"freq_skew":4.198129,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115600,"usec":129963},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602000,"noise_level":-19.916199,"freq_skew":1.916271,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43113,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[172,131,131,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115600,"usec":909186},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.131266,"noise_level":-21.115477,"freq_skew":4.002913,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"RJ0115","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115608,"usec":523267},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268956,"noise_level":-20.781319,"freq_skew":3.939239,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"35044042","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,82,74,65,0,116,72,34,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115613,"usec":126788},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.294304,"noise_level":-19.742191,"freq_skew":1.969931,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115613,"usec":142427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.972979,"noise_level":-21.358055,"freq_skew":6.006092,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115613,"usec":880814},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813700,"noise_level":-21.317524,"freq_skew":4.062184,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115613,"usec":880814},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.813700,"noise_level":-21.317524,"freq_skew":4.062184,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115614,"usec":642240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238752,"noise_level":-22.923067,"freq_skew":1.826314,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115614,"usec":643409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083138,"noise_level":-22.898779,"freq_skew":4.049941,"avlc":{"src":{"addr":"3C66B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115614,"usec":644231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153986,"noise_level":-22.886658,"freq_skew":3.962487,"avlc":{"src":{"addr":"408033","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115615,"usec":410656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670980,"noise_level":-22.600769,"freq_skew":2.853319,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":263,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115615,"usec":411744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269323,"noise_level":-23.182823,"freq_skew":1.969088,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115616,"usec":167383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479095,"noise_level":-24.078106,"freq_skew":2.926426,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115616,"usec":937806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279347,"noise_level":-24.228964,"freq_skew":4.007401,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115618,"usec":440807},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924786,"noise_level":-24.157066,"freq_skew":3.922657,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRS","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH02MF","msg_num":"M66","msg_num_seq":"A","msg_text":"002982342512(V4KPE,E RRUEVV9HTH:EM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115619,"usec":212008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386249,"noise_level":-24.256268,"freq_skew":6.820356,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EN04EJ","msg_num":"M20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115620,"usec":15357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898024,"noise_level":-24.563877,"freq_skew":3.933475,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115623,"usec":46211},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568461,"noise_level":-24.251186,"freq_skew":4.965990,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LIPQ"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":8.900001},"alt":10000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115623,"usec":47213},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750052,"noise_level":-25.140467,"freq_skew":3.806419,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":305,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115623,"usec":808743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219150,"noise_level":-24.741619,"freq_skew":4.057459,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115624,"usec":574164},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441856,"noise_level":-24.360283,"freq_skew":4.952375,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENI","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EN02CA","msg_num":"M75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115624,"usec":581681},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428793,"noise_level":-24.260414,"freq_skew":0.970593,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115625,"usec":315373},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010242,"noise_level":-24.802185,"freq_skew":6.043518,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4651,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115625,"usec":317064},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527562,"noise_level":-24.772041,"freq_skew":4.978861,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"14004667","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,183,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115626,"usec":888979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656492,"noise_level":-23.926813,"freq_skew":2.967397,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115626,"usec":896001},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700476,"noise_level":-23.978937,"freq_skew":3.082168,"avlc":{"src":{"addr":"3C654A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115626,"usec":898710},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046083,"noise_level":-24.618912,"freq_skew":4.131994,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRS","mode":"2","label":"_d","blk_id":"1","ack":"N","flight":"LH02MF","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115627,"usec":629740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626599,"noise_level":-24.604139,"freq_skew":4.936650,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115629,"usec":909663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785958,"noise_level":-23.266371,"freq_skew":5.983170,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23CB57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115630,"usec":665929},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537825,"noise_level":-23.103439,"freq_skew":1.682813,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.200000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115632,"usec":209062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123096,"noise_level":-23.471022,"freq_skew":2.509391,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115633,"usec":765321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634095,"noise_level":-22.894728,"freq_skew":1.543570,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115634,"usec":535277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475356,"noise_level":-22.457426,"freq_skew":6.921119,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115636,"usec":807675},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580602,"noise_level":-22.792622,"freq_skew":2.797822,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48692,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,115,182,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":40,"sec":35}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115637,"usec":561512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756895,"noise_level":-22.556269,"freq_skew":6.228897,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115639,"usec":123418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958151,"noise_level":-22.230217,"freq_skew":3.210414,"avlc":{"src":{"addr":"3C654A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115639,"usec":127977},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746540,"noise_level":-22.185419,"freq_skew":4.749377,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,68,76,65,0,48,9,183,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":243,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":13,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[12,44]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115639,"usec":870260},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.220750,"noise_level":-22.082798,"freq_skew":2.800873,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115639,"usec":870260},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-8.220750,"noise_level":-22.082798,"freq_skew":2.800873,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115640,"usec":643368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.625199,"noise_level":-21.819244,"freq_skew":3.877446,"avlc":{"src":{"addr":"3C6653","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115641,"usec":398798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644266,"noise_level":-22.503990,"freq_skew":2.588682,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115642,"usec":171870},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504710,"noise_level":-24.391163,"freq_skew":2.598503,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115643,"usec":681943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603720,"noise_level":-23.887623,"freq_skew":1.877572,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115643,"usec":689007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404074,"noise_level":-24.866388,"freq_skew":3.940134,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115643,"usec":694577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095645,"noise_level":-25.946121,"freq_skew":5.679955,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115647,"usec":507611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275818,"noise_level":-24.688053,"freq_skew":6.098914,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115647,"usec":508730},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644423,"noise_level":-24.643461,"freq_skew":5.580488,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115647,"usec":510177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.495496,"noise_level":-24.569653,"freq_skew":1.736354,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115651,"usec":308732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267737,"noise_level":-24.097454,"freq_skew":5.905721,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115652,"usec":83734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.412584,"noise_level":-23.583912,"freq_skew":3.287351,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115654,"usec":395630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103483,"noise_level":-22.972300,"freq_skew":2.751552,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115654,"usec":400780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812045,"noise_level":-24.047890,"freq_skew":1.685387,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[44,80,205,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115656,"usec":672876},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912537,"noise_level":-23.730679,"freq_skew":1.252176,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ZBAA"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":13.000000},"alt":227000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115657,"usec":439430},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.087686,"noise_level":-23.698124,"freq_skew":1.475126,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-1428","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"CA0962","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115661,"usec":284029},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.825125,"noise_level":-22.638979,"freq_skew":1.473555,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36010536","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,67,65,0,120,17,94,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115661,"usec":287289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405141,"noise_level":-22.592026,"freq_skew":0.866077,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115662,"usec":795032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780329,"noise_level":-23.746449,"freq_skew":5.693540,"avlc":{"src":{"addr":"4CACDF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115665,"usec":63910},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389707,"noise_level":-23.936047,"freq_skew":1.390149,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115667,"usec":384942},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.386618,"noise_level":-24.931255,"freq_skew":4.581215,"avlc":{"src":{"addr":"49D287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115668,"usec":899244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615336,"noise_level":-24.140818,"freq_skew":4.261932,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115669,"usec":676134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.020379,"noise_level":-23.704250,"freq_skew":4.881452,"avlc":{"src":{"addr":"48C2B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115672,"usec":703278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.176383,"noise_level":-23.449991,"freq_skew":1.384825,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115674,"usec":263193},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238197,"noise_level":-23.309183,"freq_skew":1.279711,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115676,"usec":556144},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823915,"noise_level":-23.575752,"freq_skew":2.039514,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115681,"usec":922998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314842,"noise_level":-23.089092,"freq_skew":3.242982,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115684,"usec":948195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612597,"noise_level":-23.987774,"freq_skew":4.108930,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115686,"usec":495890},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.844255,"noise_level":-23.565924,"freq_skew":4.416538,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LIME"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115687,"usec":268964},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613699,"noise_level":-23.131718,"freq_skew":2.104227,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCT","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LX08YE","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115691,"usec":68538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397686,"noise_level":-22.252977,"freq_skew":3.616727,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115694,"usec":886574},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623456,"noise_level":-21.457764,"freq_skew":5.243150,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48688,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[196,98,9,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115694,"usec":897864},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108762,"noise_level":-21.264732,"freq_skew":2.729692,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115697,"usec":181457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.584382,"noise_level":-20.635033,"freq_skew":1.605816,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115697,"usec":934134},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.511847,"noise_level":-20.450117,"freq_skew":1.251890,"avlc":{"src":{"addr":"78115E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115699,"usec":465759},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763622,"noise_level":-20.989466,"freq_skew":1.525330,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115700,"usec":200630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279109,"noise_level":-22.222137,"freq_skew":4.655757,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115704,"usec":59326},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601531,"noise_level":-21.068247,"freq_skew":3.328375,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"ELLX"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":7.500000},"alt":16000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115707,"usec":885140},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.369222,"noise_level":-20.456432,"freq_skew":4.627654,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115711,"usec":704307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932026,"noise_level":-21.207996,"freq_skew":4.488084,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115714,"usec":787513},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881995,"noise_level":-22.069809,"freq_skew":3.768223,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115715,"usec":531960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692516,"noise_level":-22.910183,"freq_skew":3.413101,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115717,"usec":67445},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859825,"noise_level":-23.263414,"freq_skew":4.646495,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBB","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"PC088X","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115720,"usec":90023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713293,"noise_level":-22.789471,"freq_skew":2.795467,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115720,"usec":908444},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220310,"noise_level":-22.391558,"freq_skew":2.718549,"avlc":{"src":{"addr":"3C66B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48692,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,84,184,111]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":41,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115722,"usec":407884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569321,"noise_level":-22.043989,"freq_skew":4.888620,"avlc":{"src":{"addr":"46B82D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115723,"usec":181341},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467757,"noise_level":-22.657539,"freq_skew":1.193668,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115723,"usec":932807},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.046391,"noise_level":-22.367561,"freq_skew":3.302023,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35412,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,5,85,65]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35412,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,251,217,142]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115725,"usec":440249},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.145334,"noise_level":-21.944538,"freq_skew":7.894031,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115725,"usec":442992},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202331,"noise_level":-21.912003,"freq_skew":1.560685,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52042,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,163,177,94]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115725,"usec":449648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404204,"noise_level":-21.847294,"freq_skew":2.803796,"avlc":{"src":{"addr":"44CDD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNQ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"SN01VC","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115728,"usec":539428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.454399,"noise_level":-20.758123,"freq_skew":3.405088,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115732,"usec":322783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.949286,"noise_level":-20.146019,"freq_skew":6.184593,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115732,"usec":340513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317845,"noise_level":-19.979788,"freq_skew":2.080550,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115733,"usec":81345},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916080,"noise_level":-20.742855,"freq_skew":2.066023,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48569,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[187,11,32,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115735,"usec":396616},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.056390,"noise_level":-20.439529,"freq_skew":6.229586,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":334,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115736,"usec":927322},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.175555,"noise_level":-19.942368,"freq_skew":4.011523,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"HEGN"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":9.800000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115739,"usec":200422},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057325,"noise_level":-19.310171,"freq_skew":2.067213,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115739,"usec":951951},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875541,"noise_level":-19.135437,"freq_skew":2.098011,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115743,"usec":797233},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943110,"noise_level":-19.204020,"freq_skew":0.423290,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LIEO"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":11.700000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115747,"usec":631474},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669397,"noise_level":-18.870634,"freq_skew":1.039726,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EEJ","mode":"2","label":"B6","blk_id":"2","ack":"!","flight":"EK052M","msg_num":"J81","msg_num_seq":"A","msg_text":"/DXBEGEK.ADS.A6-EEJ0723C1803D7B85DEA7C0119AD8","arinc622":{"msg_type":"adsc_msg","crc_ok":true,"gs_addr":"DXBEGEK","air_addr":".A6-EEJ","adsc":{"tags":[{"basic_report":{"lat":50.281677,"lon":10.807457,"alt":24040,"ts_sec":2544.000000,"pos_accuracy_nm":-1.000000,"nav_redundancy":true,"tcas_avail":true}}],"err":false}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115747,"usec":634554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.565289,"noise_level":-19.782827,"freq_skew":4.003320,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115749,"usec":155956},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460439,"noise_level":-19.780638,"freq_skew":1.870077,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":264,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115749,"usec":918273},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.505998,"noise_level":-20.135305,"freq_skew":3.204977,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":0,"dst_ref":201,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[66,34]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115750,"usec":684425},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164971,"noise_level":-21.312805,"freq_skew":1.739379,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115753,"usec":729811},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.539612,"noise_level":-21.599182,"freq_skew":5.738731,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115755,"usec":301238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.992032,"noise_level":-21.033276,"freq_skew":0.376093,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115756,"usec":45346},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427205,"noise_level":-21.130589,"freq_skew":5.187997,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TVW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"QS03NJ","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115756,"usec":59828},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085031,"noise_level":-21.022436,"freq_skew":9.062805,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115756,"usec":810976},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344546,"noise_level":-20.791039,"freq_skew":5.502359,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1187,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48688,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[106,90,50,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115757,"usec":562172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214872,"noise_level":-20.640129,"freq_skew":5.552750,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115758,"usec":333173},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117583,"noise_level":-20.282915,"freq_skew":5.265076,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115759,"usec":74871},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859407,"noise_level":-20.798363,"freq_skew":0.165481,"avlc":{"src":{"addr":"511195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115759,"usec":78614},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404954,"noise_level":-20.779341,"freq_skew":5.486279,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53992,"dst_ref":48688,"variable_part_params":[{"name":"atn_checksum","value":[37,70,56,77]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115759,"usec":82250},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642764,"noise_level":-21.697790,"freq_skew":0.837816,"avlc":{"src":{"addr":"71007F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.800000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115759,"usec":832852},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.029006,"noise_level":-22.108042,"freq_skew":6.297531,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4655,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46512,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[33,213]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115759,"usec":836321},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623920,"noise_level":-22.074888,"freq_skew":4.263610,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115761,"usec":413279},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.568534,"noise_level":-21.406410,"freq_skew":4.983614,"avlc":{"src":{"addr":"8960F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EDV","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EK0073","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115762,"usec":923858},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.885343,"noise_level":-21.142332,"freq_skew":3.268411,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":4.200000},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115765,"usec":185711},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047120,"noise_level":-20.550537,"freq_skew":2.935313,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60216,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[129,125,75,22]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60216,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[145,171,195,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115766,"usec":728533},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633682,"noise_level":-21.551571,"freq_skew":4.764773,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[111,196,180,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115767,"usec":477097},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.640860,"noise_level":-22.033501,"freq_skew":1.621766,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115768,"usec":274363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481117,"noise_level":-21.805983,"freq_skew":6.071080,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115772,"usec":82514},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971015,"noise_level":-21.030144,"freq_skew":2.970766,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60216,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[204,76,232,244]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115772,"usec":90700},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894772,"noise_level":-21.570196,"freq_skew":2.920045,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":172,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,6,45,126]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":42,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115772,"usec":850416},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907544,"noise_level":-21.395052,"freq_skew":2.810245,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":60216,"variable_part_params":[{"name":"atn_checksum","value":[206,134,179,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115772,"usec":852886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163979,"noise_level":-21.374676,"freq_skew":3.911170,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115774,"usec":388097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071498,"noise_level":-21.035421,"freq_skew":3.066068,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115774,"usec":406128},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.683638,"noise_level":-21.011986,"freq_skew":1.857293,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":223,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[44,80,205,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115775,"usec":168864},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894050,"noise_level":-20.752403,"freq_skew":0.790298,"avlc":{"src":{"addr":"71007F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.800000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115775,"usec":906702},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952848,"noise_level":-21.807350,"freq_skew":3.488528,"avlc":{"src":{"addr":"46B927","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115775,"usec":907574},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.462320,"noise_level":-21.796663,"freq_skew":3.272269,"avlc":{"src":{"addr":"46B927","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1187,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[192,139,45,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115777,"usec":442692},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182796,"noise_level":-22.567598,"freq_skew":1.771276,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":222,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[109,51,240,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115778,"usec":937057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.563235,"noise_level":-22.269724,"freq_skew":1.881554,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115779,"usec":730861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443725,"noise_level":-21.829853,"freq_skew":4.923310,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115780,"usec":466910},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.794492,"noise_level":-24.241610,"freq_skew":3.264546,"avlc":{"src":{"addr":"44CDD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,69,76,0,68,205,209,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115785,"usec":834776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.823782,"noise_level":-23.490400,"freq_skew":4.445915,"avlc":{"src":{"addr":"8960F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EDV","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EK0073","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115786,"usec":592861},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381753,"noise_level":-23.446888,"freq_skew":0.820784,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115788,"usec":140277},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.243763,"noise_level":-23.821457,"freq_skew":1.719941,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":224,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115788,"usec":165423},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.803085,"noise_level":-24.138905,"freq_skew":3.264333,"avlc":{"src":{"addr":"46B927","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1122,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[107,153,95,38]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1122,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,59,7,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":43,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115788,"usec":899951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444312,"noise_level":-24.083128,"freq_skew":3.144064,"avlc":{"src":{"addr":"3C654A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115788,"usec":912347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546345,"noise_level":-23.945240,"freq_skew":4.395500,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115790,"usec":426936},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728904,"noise_level":-23.522137,"freq_skew":4.474048,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":43372,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[12,157,99,137]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115791,"usec":191717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310865,"noise_level":-23.274551,"freq_skew":3.246458,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115791,"usec":204926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056193,"noise_level":-23.580629,"freq_skew":4.458282,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115791,"usec":933445},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164529,"noise_level":-24.052307,"freq_skew":2.884486,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"_d","blk_id":"3","ack":"E","flight":"LH05MW","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115793,"usec":473774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.740233,"noise_level":-23.795660,"freq_skew":1.700735,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115795,"usec":21018},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124953,"noise_level":-23.350109,"freq_skew":4.414872,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115798,"usec":69089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155702,"noise_level":-22.974623,"freq_skew":4.340706,"avlc":{"src":{"addr":"8960F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EDV","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EK0073","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115799,"usec":597289},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560268,"noise_level":-22.303886,"freq_skew":4.535835,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBB","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"PC088X","msg_num":"M01","msg_num_seq":"A","msg_text":"/LOWW.TI2/040LOWWA2BD0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115800,"usec":340553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194280,"noise_level":-23.327055,"freq_skew":4.428549,"avlc":{"src":{"addr":"8960F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115800,"usec":344782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.757610,"noise_level":-23.276243,"freq_skew":3.342760,"avlc":{"src":{"addr":"46B927","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115801,"usec":902822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105633,"noise_level":-23.320957,"freq_skew":4.776101,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115803,"usec":420078},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631517,"noise_level":-22.802057,"freq_skew":3.324656,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115803,"usec":436257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719855,"noise_level":-22.612259,"freq_skew":4.376794,"avlc":{"src":{"addr":"02A1A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115807,"usec":229022},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657988,"noise_level":-23.155266,"freq_skew":3.407983,"avlc":{"src":{"addr":"4066B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":210,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,88,83,0,64,102,185],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115807,"usec":974069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.891938,"noise_level":-23.320766,"freq_skew":5.916924,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115808,"usec":778609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.192097,"noise_level":-23.008184,"freq_skew":2.810857,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115810,"usec":289343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.032081,"noise_level":-22.908588,"freq_skew":6.031906,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115815,"usec":661745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819675,"noise_level":-21.922283,"freq_skew":3.317011,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115815,"usec":673795},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.423293,"noise_level":-21.967579,"freq_skew":1.806337,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43113,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,107,247,235]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":43,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115816,"usec":414333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648399,"noise_level":-22.326677,"freq_skew":6.113317,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115817,"usec":927410},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303974,"noise_level":-21.787415,"freq_skew":3.100601,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":172,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[135,118,218,209]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":172,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[118,123,24,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":43,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115818,"usec":688776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.413301,"noise_level":-21.545391,"freq_skew":1.302701,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52042,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[165,84,117,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115818,"usec":704753},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838169,"noise_level":-21.411522,"freq_skew":1.128130,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115819,"usec":452921},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643614,"noise_level":-22.035202,"freq_skew":4.611125,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115820,"usec":960304},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708390,"noise_level":-23.219357,"freq_skew":0.970008,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115822,"usec":538539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.785803,"noise_level":-23.607189,"freq_skew":2.827286,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115824,"usec":822836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500340,"noise_level":-22.578489,"freq_skew":4.736035,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115827,"usec":859082},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789223,"noise_level":-21.528408,"freq_skew":4.581816,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,254,124,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":43,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115829,"usec":408408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888433,"noise_level":-22.990744,"freq_skew":4.822978,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115829,"usec":423679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947021,"noise_level":-22.808819,"freq_skew":2.838898,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115830,"usec":172738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278968,"noise_level":-22.665974,"freq_skew":4.767029,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115830,"usec":932237},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749528,"noise_level":-22.812979,"freq_skew":4.701322,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[132,219,45,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115831,"usec":709050},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885056,"noise_level":-23.097397,"freq_skew":2.585085,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH05MW","msg_num":"M33","msg_num_seq":"A","msg_text":"00105209271VSJ54LIJA:A*W2VVITI,Q,4RR-+8BX6X2,--*K8K)3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115832,"usec":461833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.561917,"noise_level":-22.936939,"freq_skew":3.132168,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115833,"usec":213217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736305,"noise_level":-22.720409,"freq_skew":1.228013,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115837,"usec":819684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564384,"noise_level":-22.351912,"freq_skew":2.007855,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115839,"usec":321084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560500,"noise_level":-22.579140,"freq_skew":4.801773,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115848,"usec":527066},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737095,"noise_level":-20.599361,"freq_skew":4.505512,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENI","mode":"2","label":"_d","blk_id":"0","ack":"B","flight":"EN02CA","msg_num":"M77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115855,"usec":345325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529096,"noise_level":-20.740986,"freq_skew":1.846819,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115857,"usec":683544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212547,"noise_level":-20.059006,"freq_skew":2.024223,"avlc":{"src":{"addr":"4B180B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115861,"usec":483558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834749,"noise_level":-18.982883,"freq_skew":4.081395,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115862,"usec":270360},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.867048,"noise_level":-18.837311,"freq_skew":4.526271,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115864,"usec":552925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.743951,"noise_level":-19.442554,"freq_skew":1.318430,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115867,"usec":584730},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.385492,"noise_level":-19.974249,"freq_skew":2.998717,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":272,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115867,"usec":590109},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699541,"noise_level":-19.870943,"freq_skew":4.511401,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,183,58,171]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":44,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115869,"usec":162353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071651,"noise_level":-19.546402,"freq_skew":4.807729,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115884,"usec":441710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.453626,"noise_level":-20.179632,"freq_skew":1.457296,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115886,"usec":715482},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813346,"noise_level":-20.023500,"freq_skew":2.352899,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115895,"usec":869559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736507,"noise_level":-21.968155,"freq_skew":4.348235,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115897,"usec":430724},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686100,"noise_level":-22.621174,"freq_skew":4.040720,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115897,"usec":440544},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831113,"noise_level":-22.516100,"freq_skew":2.190393,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"02400042","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,65,72,0,10,0,34,0,2,0,0,0,0,0,2,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115898,"usec":190697},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659415,"noise_level":-22.917439,"freq_skew":2.138638,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".7T-VJP","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"AH2070","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115899,"usec":708048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688260,"noise_level":-23.735485,"freq_skew":3.471871,"avlc":{"src":{"addr":"30055B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115900,"usec":474016},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372483,"noise_level":-23.420773,"freq_skew":5.581304,"avlc":{"src":{"addr":"4D223B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":5.700000},"alt":120000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115901,"usec":970467},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566607,"noise_level":-24.614586,"freq_skew":3.399941,"avlc":{"src":{"addr":"06A2E5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115901,"usec":994036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674584,"noise_level":-24.338287,"freq_skew":5.287923,"avlc":{"src":{"addr":"4D223B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCQ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR08BR","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115902,"usec":778552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223748,"noise_level":-25.147621,"freq_skew":4.552774,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115902,"usec":781979},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230104,"noise_level":-25.053865,"freq_skew":4.767352,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115905,"usec":77640},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772008,"noise_level":-24.028837,"freq_skew":4.459203,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115906,"usec":570651},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532413,"noise_level":-23.770292,"freq_skew":4.225040,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115907,"usec":334231},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.859218,"noise_level":-23.377113,"freq_skew":1.962883,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-HLYF","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LS67ND","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115907,"usec":353144},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775745,"noise_level":-23.199547,"freq_skew":4.108607,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"14004665","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,181,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115907,"usec":357621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123200,"noise_level":-23.149473,"freq_skew":4.620507,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115908,"usec":114396},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466564,"noise_level":-23.334219,"freq_skew":1.810437,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115908,"usec":118989},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834716,"noise_level":-23.270699,"freq_skew":5.575181,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-EAJ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"SN2960","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115909,"usec":646137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.768996,"noise_level":-22.911167,"freq_skew":4.064682,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115910,"usec":408246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157403,"noise_level":-22.909966,"freq_skew":2.002238,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115910,"usec":417355},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.374328,"noise_level":-22.765461,"freq_skew":1.739733,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115911,"usec":928652},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.862823,"noise_level":-23.299061,"freq_skew":5.905843,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-EAJ","mode":"2","label":"QX","blk_id":"8","ack":"A","flight":"SN2960","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115911,"usec":931707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101727,"noise_level":-23.762821,"freq_skew":2.093090,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115915,"usec":729735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904193,"noise_level":-25.316891,"freq_skew":4.471989,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115915,"usec":749258},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050088,"noise_level":-25.064280,"freq_skew":5.071579,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115916,"usec":547732},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330638,"noise_level":-24.713554,"freq_skew":5.041396,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6075,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115919,"usec":585026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052988,"noise_level":-23.360081,"freq_skew":4.444849,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115923,"usec":414936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722795,"noise_level":-25.579475,"freq_skew":6.661169,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115924,"usec":185092},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551602,"noise_level":-25.497494,"freq_skew":5.100091,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVP","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR02CL","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115924,"usec":928836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892187,"noise_level":-25.499882,"freq_skew":4.299016,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115924,"usec":933664},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999587,"noise_level":-25.692827,"freq_skew":5.949745,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4662,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115925,"usec":704812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669180,"noise_level":-25.396814,"freq_skew":4.300277,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115926,"usec":465200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965267,"noise_level":-25.727562,"freq_skew":4.089400,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115927,"usec":963422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714913,"noise_level":-26.365276,"freq_skew":3.860875,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115931,"usec":61272},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645902,"noise_level":-25.635555,"freq_skew":4.517963,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43387,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":45,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115933,"usec":342003},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541043,"noise_level":-25.300150,"freq_skew":1.205271,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LBBG"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115934,"usec":81359},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381062,"noise_level":-25.894258,"freq_skew":4.007962,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115934,"usec":103473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938426,"noise_level":-25.641163,"freq_skew":1.314097,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115934,"usec":850074},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575577,"noise_level":-26.241827,"freq_skew":4.115425,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115940,"usec":223173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229785,"noise_level":-25.590174,"freq_skew":0.986120,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115940,"usec":239313},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.813189,"noise_level":-27.138035,"freq_skew":0.719476,"avlc":{"src":{"addr":"491D82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115941,"usec":719770},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183982,"noise_level":-26.583185,"freq_skew":5.835896,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115941,"usec":741672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.658669,"noise_level":-26.652716,"freq_skew":0.728581,"avlc":{"src":{"addr":"491D82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115942,"usec":497922},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.838286,"noise_level":-27.108992,"freq_skew":5.657908,"avlc":{"src":{"addr":"480C48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115944,"usec":38578},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936361,"noise_level":-27.715548,"freq_skew":4.049270,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115944,"usec":50671},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859506,"noise_level":-27.917061,"freq_skew":4.486978,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":167,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[113,180]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115945,"usec":561304},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139876,"noise_level":-26.995256,"freq_skew":5.479932,"avlc":{"src":{"addr":"480C48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43375,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[78,139,214,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115946,"usec":316037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425160,"noise_level":-26.950056,"freq_skew":3.663282,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115946,"usec":333016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.149840,"noise_level":-26.634342,"freq_skew":0.550105,"avlc":{"src":{"addr":"491D82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115947,"usec":77926},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810408,"noise_level":-26.486456,"freq_skew":5.772756,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115947,"usec":837611},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274723,"noise_level":-25.953283,"freq_skew":4.194612,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,68,76,72,0,60,101,207,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115951,"usec":682129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.181770,"noise_level":-24.600830,"freq_skew":5.373043,"avlc":{"src":{"addr":"480C48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43375,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[78,139,214,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115952,"usec":444332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022896,"noise_level":-24.155140,"freq_skew":1.126184,"avlc":{"src":{"addr":"3C0D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115956,"usec":222303},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.454598,"noise_level":-22.815926,"freq_skew":4.161623,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115957,"usec":53414},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814513,"noise_level":-23.007479,"freq_skew":3.912901,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":253,"calling_addr":"24056755","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,82,76,88,0,80,93,237,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115958,"usec":563134},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997072,"noise_level":-22.467869,"freq_skew":5.547091,"avlc":{"src":{"addr":"480C48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHEH"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":11.400001},"alt":40000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115959,"usec":315465},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557436,"noise_level":-22.376034,"freq_skew":6.193704,"avlc":{"src":{"addr":"4CAC20","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46512,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[241,188]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115960,"usec":74764},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.062314,"noise_level":-22.106216,"freq_skew":2.869850,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115962,"usec":351992},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950366,"noise_level":-21.283052,"freq_skew":5.521324,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115966,"usec":956194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.917626,"noise_level":-19.890574,"freq_skew":3.798838,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115970,"usec":793021},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379417,"noise_level":-20.690517,"freq_skew":5.439198,"avlc":{"src":{"addr":"4CA84C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":115,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[239,187]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115973,"usec":826065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.975180,"noise_level":-21.806561,"freq_skew":4.805238,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115973,"usec":835333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446472,"noise_level":-21.700270,"freq_skew":5.411208,"avlc":{"src":{"addr":"4BCDA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115976,"usec":108440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835079,"noise_level":-22.923473,"freq_skew":4.578804,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115977,"usec":664702},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058121,"noise_level":-23.501749,"freq_skew":0.425476,"avlc":{"src":{"addr":"71007F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115980,"usec":698657},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.631725,"noise_level":-24.638577,"freq_skew":4.459878,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[98,42,115,223]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":46,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115980,"usec":700856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730326,"noise_level":-24.564808,"freq_skew":4.184184,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115981,"usec":465804},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615740,"noise_level":-24.581848,"freq_skew":3.054885,"avlc":{"src":{"addr":"4D239A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":10.100000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115981,"usec":471775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667844,"noise_level":-24.464876,"freq_skew":3.953126,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115982,"usec":221809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.828626,"noise_level":-24.435879,"freq_skew":2.920423,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115982,"usec":224819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690433,"noise_level":-24.406977,"freq_skew":4.538068,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115983,"usec":22577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086465,"noise_level":-25.236061,"freq_skew":3.173485,"avlc":{"src":{"addr":"06A2E5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115990,"usec":662796},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.326078,"noise_level":-25.510061,"freq_skew":3.972983,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":10.900001},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115990,"usec":684959},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573872,"noise_level":-25.283709,"freq_skew":2.958339,"avlc":{"src":{"addr":"4D239A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":10.100000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115991,"usec":429014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900109,"noise_level":-26.189137,"freq_skew":1.088976,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115995,"usec":982388},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506312,"noise_level":-24.634819,"freq_skew":3.218741,"avlc":{"src":{"addr":"06A2E5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":389,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784115999,"usec":54353},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.990873,"noise_level":-23.216858,"freq_skew":1.535513,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":36,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116002,"usec":95737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518151,"noise_level":-25.500191,"freq_skew":4.373604,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116002,"usec":876934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954871,"noise_level":-25.210562,"freq_skew":5.464139,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116003,"usec":623636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148706,"noise_level":-24.869202,"freq_skew":2.983525,"avlc":{"src":{"addr":"4D239A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116004,"usec":433255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026435,"noise_level":-24.963181,"freq_skew":4.193813,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116005,"usec":942141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.740203,"noise_level":-24.184013,"freq_skew":1.420440,"avlc":{"src":{"addr":"491D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116006,"usec":705614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142948,"noise_level":-23.866482,"freq_skew":4.013586,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116008,"usec":986689},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737343,"noise_level":-23.942047,"freq_skew":4.398640,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,96,130,17]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":46,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116009,"usec":727239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947400,"noise_level":-24.906166,"freq_skew":4.469664,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116010,"usec":536200},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.265837,"noise_level":-25.134867,"freq_skew":4.037721,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116010,"usec":536200},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.265837,"noise_level":-25.134867,"freq_skew":4.037721,"avlc":{"src":{"addr":"3C65CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116012,"usec":809256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628273,"noise_level":-24.594105,"freq_skew":4.122489,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"LH08PP","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116013,"usec":576640},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592934,"noise_level":-24.120785,"freq_skew":4.163620,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH08PP","msg_num":"M81","msg_num_seq":"A","msg_text":"00528209297P4AKK9 XX2YWE2SS+8871IGJ35O:GKVEE 72 KKH5)B22O+JK4+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116014,"usec":345329},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656857,"noise_level":-23.765223,"freq_skew":4.530918,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[77,21,135,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116015,"usec":846664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.399930,"noise_level":-24.131128,"freq_skew":5.471503,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116015,"usec":861395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741705,"noise_level":-23.923981,"freq_skew":4.407574,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116017,"usec":438591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601768,"noise_level":-23.229256,"freq_skew":2.337071,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116022,"usec":725048},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.456195,"noise_level":-22.579971,"freq_skew":5.535958,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116025,"usec":811394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387355,"noise_level":-24.764133,"freq_skew":4.452535,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116025,"usec":812236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.635889,"noise_level":-24.749111,"freq_skew":4.023480,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":166,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[45,79,111,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116027,"usec":325454},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738991,"noise_level":-24.367455,"freq_skew":6.120473,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJT","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"EN08FF","msg_num":"M38","msg_num_seq":"A","msg_text":"0E21147052/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":11,"min":47,"sec":5}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116027,"usec":338007},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099136,"noise_level":-24.187145,"freq_skew":3.827918,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":161,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116029,"usec":602306},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.058496,"noise_level":-23.292412,"freq_skew":1.604056,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":161,"credit":3,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[84,114,230,180]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116029,"usec":605623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.414868,"noise_level":-23.267069,"freq_skew":5.731614,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116029,"usec":618910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158157,"noise_level":-23.128996,"freq_skew":5.809835,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116030,"usec":378344},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761707,"noise_level":-22.811108,"freq_skew":6.183020,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116031,"usec":167646},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533876,"noise_level":-23.606215,"freq_skew":6.206317,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116032,"usec":700019},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436097,"noise_level":-22.900166,"freq_skew":4.472291,"avlc":{"src":{"addr":"3009B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43387,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[188,72]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116032,"usec":702822},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.509507,"noise_level":-22.875940,"freq_skew":1.919809,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGIR"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":12.400001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116038,"usec":805853},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083690,"noise_level":-23.993412,"freq_skew":4.677375,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116039,"usec":585165},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429641,"noise_level":-23.472843,"freq_skew":6.344463,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"14002544","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,5,100,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116041,"usec":849971},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218527,"noise_level":-23.817148,"freq_skew":6.268636,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116042,"usec":608294},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718592,"noise_level":-24.194439,"freq_skew":6.156083,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116044,"usec":108397},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.787954,"noise_level":-24.063412,"freq_skew":0.357247,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116044,"usec":934258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649022,"noise_level":-23.496235,"freq_skew":6.346013,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116046,"usec":429996},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.925942,"noise_level":-24.365503,"freq_skew":2.626322,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH05MW","msg_num":"M34","msg_num_seq":"A","msg_text":"00106234261IX,J3STWT,EEJ76-6)S5)2 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116048,"usec":719028},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985198,"noise_level":-25.110638,"freq_skew":5.388942,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116048,"usec":728740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.916721,"noise_level":-25.017277,"freq_skew":6.262186,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116048,"usec":738744},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729922,"noise_level":-25.162994,"freq_skew":6.132659,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,68,76,65,0,48,5,100,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116050,"usec":226613},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893439,"noise_level":-25.995289,"freq_skew":2.834483,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116051,"usec":793763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749961,"noise_level":-25.534557,"freq_skew":6.119395,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116051,"usec":799370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231215,"noise_level":-25.323593,"freq_skew":4.174901,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116052,"usec":572932},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872209,"noise_level":-25.857174,"freq_skew":5.660825,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-EAJ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SN2960","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116052,"usec":573768},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925066,"noise_level":-25.840141,"freq_skew":8.753633,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":12,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116053,"usec":331199},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062980,"noise_level":-25.506342,"freq_skew":5.237016,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116054,"usec":857120},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477631,"noise_level":-24.560936,"freq_skew":4.815272,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,155,194,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":47,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116056,"usec":351985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919244,"noise_level":-24.441685,"freq_skew":4.734800,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116056,"usec":352366},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253012,"noise_level":-24.441685,"freq_skew":4.705215,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFJ"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.200000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116056,"usec":362261},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943321,"noise_level":-24.340881,"freq_skew":5.916235,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116057,"usec":128325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437670,"noise_level":-25.081268,"freq_skew":8.680653,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116057,"usec":921966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487494,"noise_level":-24.911434,"freq_skew":4.603036,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116060,"usec":969390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384908,"noise_level":-25.297054,"freq_skew":4.813559,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116062,"usec":475089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.218903,"noise_level":-25.270992,"freq_skew":2.673873,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116064,"usec":799913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803124,"noise_level":-25.166113,"freq_skew":6.181243,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116065,"usec":550076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005655,"noise_level":-25.087746,"freq_skew":1.377879,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116070,"usec":873661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.682083,"noise_level":-23.413376,"freq_skew":1.842336,"avlc":{"src":{"addr":"4B17FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116071,"usec":676198},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538900,"noise_level":-24.098816,"freq_skew":3.034287,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116072,"usec":441198},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659043,"noise_level":-24.465736,"freq_skew":8.695549,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VXZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"ZD0000","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116072,"usec":442341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751968,"noise_level":-24.451225,"freq_skew":4.828804,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH014C","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116073,"usec":193425},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.715680,"noise_level":-24.278938,"freq_skew":1.782133,"avlc":{"src":{"addr":"4B17FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116073,"usec":204218},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807166,"noise_level":-24.194059,"freq_skew":4.702450,"avlc":{"src":{"addr":"48E9F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8010,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":167,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[223,161]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116074,"usec":715614},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.783582,"noise_level":-23.582609,"freq_skew":5.184500,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116076,"usec":979854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652966,"noise_level":-23.663759,"freq_skew":8.528233,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116077,"usec":753448},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522957,"noise_level":-23.212175,"freq_skew":2.026952,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116078,"usec":543257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077763,"noise_level":-23.050247,"freq_skew":2.511832,"avlc":{"src":{"addr":"3C66AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116082,"usec":353102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863304,"noise_level":-22.506798,"freq_skew":2.240138,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116091,"usec":495244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824726,"noise_level":-19.631712,"freq_skew":1.829051,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":236,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116093,"usec":71991},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.511483,"noise_level":-19.529713,"freq_skew":4.901502,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124723","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,211,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116094,"usec":575767},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347507,"noise_level":-19.949615,"freq_skew":4.698407,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116096,"usec":105264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.674220,"noise_level":-21.896679,"freq_skew":4.974895,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116101,"usec":459054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409302,"noise_level":-24.004715,"freq_skew":-0.024888,"avlc":{"src":{"addr":"71007F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116102,"usec":211972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528988,"noise_level":-24.776651,"freq_skew":3.983478,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116102,"usec":225982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582629,"noise_level":-24.869583,"freq_skew":4.152165,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116102,"usec":228197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744444,"noise_level":-24.854378,"freq_skew":4.541189,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116102,"usec":973006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.053896,"noise_level":-25.778923,"freq_skew":-0.208551,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116106,"usec":49949},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.982094,"noise_level":-25.336491,"freq_skew":3.890663,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116107,"usec":587119},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472678,"noise_level":-25.652359,"freq_skew":4.418332,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,252,207,109]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":14,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":48,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116108,"usec":348155},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630512,"noise_level":-25.857914,"freq_skew":4.307327,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116110,"usec":612884},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.388474,"noise_level":-25.576931,"freq_skew":1.969612,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGIR"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":12.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116110,"usec":618800},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612678,"noise_level":-25.445866,"freq_skew":4.070857,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"RJ0115","msg_num":"M12","msg_num_seq":"A","msg_text":"114824,35992,1329, 67,N 49.351 E 12.577"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116111,"usec":373430},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704491,"noise_level":-26.231375,"freq_skew":5.624083,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":43,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":8,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116111,"usec":377794},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861352,"noise_level":-26.160469,"freq_skew":-0.424766,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EEJ","mode":"2","label":"_d","blk_id":"7","ack":"W","flight":"EK052M","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116111,"usec":380986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.348889,"noise_level":-27.205475,"freq_skew":1.565053,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EEJ","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"EK052M","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116112,"usec":166523},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.420862,"noise_level":-28.135328,"freq_skew":1.959295,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116112,"usec":170115},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142885,"noise_level":-28.069098,"freq_skew":4.038276,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116112,"usec":941017},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437210,"noise_level":-28.264189,"freq_skew":4.569282,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":5,"rseq":16,"variable_part_params":[{"name":"atn_checksum","value":[192,27,25,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116113,"usec":691546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.608566,"noise_level":-29.128345,"freq_skew":1.846625,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116115,"usec":224291},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000575,"noise_level":-27.626293,"freq_skew":2.904988,"avlc":{"src":{"addr":"4BCDEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116117,"usec":486531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661833,"noise_level":-26.491575,"freq_skew":5.181564,"avlc":{"src":{"addr":"4D223B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116119,"usec":799534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.533691,"noise_level":-26.333282,"freq_skew":2.187022,"avlc":{"src":{"addr":"48EF33","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116126,"usec":696175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.620444,"noise_level":-23.043959,"freq_skew":3.147937,"avlc":{"src":{"addr":"010244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116127,"usec":437657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.523806,"noise_level":-22.982519,"freq_skew":1.844883,"avlc":{"src":{"addr":"40837B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116128,"usec":958497},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813859,"noise_level":-23.030037,"freq_skew":1.119812,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":305,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116129,"usec":735518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814545,"noise_level":-23.933878,"freq_skew":4.319233,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116131,"usec":989550},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926645,"noise_level":-23.758688,"freq_skew":2.006318,"avlc":{"src":{"addr":"4B17FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116132,"usec":11593},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.224922,"noise_level":-23.469009,"freq_skew":6.340980,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35443,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[231,86,10,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116134,"usec":322257},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.578874,"noise_level":-22.843159,"freq_skew":5.228078,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116137,"usec":359874},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392130,"noise_level":-24.191868,"freq_skew":1.917289,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17006246","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,166,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116137,"usec":375962},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.373388,"noise_level":-23.997036,"freq_skew":1.901056,"avlc":{"src":{"addr":"4B17FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60257,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[76,225,69,154]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116138,"usec":911972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081851,"noise_level":-23.894634,"freq_skew":2.235187,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116139,"usec":690978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936972,"noise_level":-23.930292,"freq_skew":2.286541,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116141,"usec":199430},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533434,"noise_level":-23.516937,"freq_skew":5.929189,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[8,112]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116141,"usec":203128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.399571,"noise_level":-23.477959,"freq_skew":4.426171,"avlc":{"src":{"addr":"4BC842","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116143,"usec":471606},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.256772,"noise_level":-24.360779,"freq_skew":1.780537,"avlc":{"src":{"addr":"4B17FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116144,"usec":998506},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680831,"noise_level":-24.035515,"freq_skew":5.888370,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22062203","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,100,131,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116144,"usec":999820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562400,"noise_level":-24.007914,"freq_skew":3.778659,"avlc":{"src":{"addr":"4D21F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAH","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR178Q","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116145,"usec":800010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686668,"noise_level":-23.776775,"freq_skew":3.759493,"avlc":{"src":{"addr":"4D21F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3044,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116148,"usec":844125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572535,"noise_level":-23.651438,"freq_skew":6.082620,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116148,"usec":850142},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814615,"noise_level":-23.585564,"freq_skew":3.647374,"avlc":{"src":{"addr":"4D21F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAH","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR178Q","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116151,"usec":112798},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.640121,"noise_level":-23.367935,"freq_skew":4.162038,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":8.700000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116154,"usec":952271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548819,"noise_level":-22.284363,"freq_skew":2.108021,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116157,"usec":232749},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612288,"noise_level":-21.987455,"freq_skew":3.778869,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCW","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR07YF","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116158,"usec":791368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754047,"noise_level":-22.159779,"freq_skew":3.607893,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116162,"usec":593563},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.051211,"noise_level":-21.792496,"freq_skew":2.605250,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH003W","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116168,"usec":716134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424408,"noise_level":-21.323387,"freq_skew":5.692695,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116170,"usec":214941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958092,"noise_level":-20.784122,"freq_skew":5.991417,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116172,"usec":506647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728287,"noise_level":-21.565847,"freq_skew":-0.195062,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116174,"usec":67613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.326078,"noise_level":-21.881481,"freq_skew":5.383924,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116177,"usec":111920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.554842,"noise_level":-21.332718,"freq_skew":2.909493,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116178,"usec":627586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.792091,"noise_level":-20.811943,"freq_skew":1.501361,"avlc":{"src":{"addr":"4BA912","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116182,"usec":456379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068252,"noise_level":-21.568241,"freq_skew":3.111832,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116184,"usec":751619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762828,"noise_level":-21.897261,"freq_skew":6.178102,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116186,"usec":300419},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571481,"noise_level":-21.475412,"freq_skew":3.799773,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LIRQ"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":8.500000},"alt":19000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116186,"usec":315556},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619597,"noise_level":-21.806072,"freq_skew":4.539613,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":7.700000},"alt":113000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116187,"usec":806472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286584,"noise_level":-21.501366,"freq_skew":3.539161,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116189,"usec":336031},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.195803,"noise_level":-20.902960,"freq_skew":4.548863,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60241,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[133,73,61,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116189,"usec":337437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644810,"noise_level":-20.893328,"freq_skew":3.951257,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116190,"usec":82113},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984015,"noise_level":-20.721748,"freq_skew":1.448185,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116190,"usec":855483},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.511428,"noise_level":-20.984447,"freq_skew":3.967397,"avlc":{"src":{"addr":"4072C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21104,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[53,249,166,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116190,"usec":866421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927699,"noise_level":-20.887703,"freq_skew":4.040366,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116196,"usec":214480},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.244985,"noise_level":-19.619886,"freq_skew":4.043463,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116198,"usec":492678},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.015215,"noise_level":-20.355793,"freq_skew":4.096611,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENG","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"EN01CV","msg_num":"F28","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,071/TS114956,150726B2A4"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116200,"usec":828445},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836134,"noise_level":-20.765499,"freq_skew":3.725525,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQC","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"EC17FU","msg_num":"S22","msg_num_seq":"A","msg_text":"0EV114953V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":11,"min":49,"sec":53}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116204,"usec":605802},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691895,"noise_level":-19.830009,"freq_skew":5.182427,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":10.900001},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116204,"usec":619656},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.036978,"noise_level":-20.065813,"freq_skew":5.299089,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"OS013D","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116206,"usec":162717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311143,"noise_level":-20.320646,"freq_skew":5.289686,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":208745},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801308,"noise_level":-19.647005,"freq_skew":4.577403,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":7.700000},"alt":113000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":216904},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459034,"noise_level":-19.588821,"freq_skew":2.012916,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7499,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60269,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[204,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":224851},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.647388,"noise_level":-19.539257,"freq_skew":1.656654,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":224851},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.647388,"noise_level":-19.539257,"freq_skew":1.656654,"avlc":{"src":{"addr":"40796E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":226741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187835,"noise_level":-19.531023,"freq_skew":5.263555,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116209,"usec":977408},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700076,"noise_level":-19.426216,"freq_skew":4.792328,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141046","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,38,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116213,"usec":13573},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971388,"noise_level":-19.757847,"freq_skew":4.540600,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":635,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116213,"usec":810260},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923411,"noise_level":-19.434500,"freq_skew":4.718692,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116214,"usec":562920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868527,"noise_level":-20.344809,"freq_skew":3.436756,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116215,"usec":317003},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911149,"noise_level":-21.175928,"freq_skew":2.464934,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":268,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116216,"usec":76263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.530076,"noise_level":-21.738253,"freq_skew":2.103593,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116216,"usec":844183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043480,"noise_level":-21.507904,"freq_skew":2.713542,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116219,"usec":164901},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636263,"noise_level":-21.685411,"freq_skew":3.623840,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":312,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116219,"usec":923550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886279,"noise_level":-21.425682,"freq_skew":2.078081,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116221,"usec":455472},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815740,"noise_level":-21.864702,"freq_skew":2.295938,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7505,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116222,"usec":193792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745283,"noise_level":-21.811039,"freq_skew":3.335638,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116222,"usec":213626},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.686384,"noise_level":-22.866476,"freq_skew":3.327147,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":22,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116224,"usec":486409},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955706,"noise_level":-21.982677,"freq_skew":2.132450,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"X302AX","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116227,"usec":559143},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027704,"noise_level":-21.200481,"freq_skew":2.149578,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7506,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[12,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116229,"usec":91304},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568134,"noise_level":-21.340105,"freq_skew":3.698787,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NBN","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"PC870R","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116229,"usec":849729},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721029,"noise_level":-21.299038,"freq_skew":2.044402,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7507,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[8,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116229,"usec":850610},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323811,"noise_level":-21.288958,"freq_skew":3.710846,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116230,"usec":589472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.413589,"noise_level":-21.266603,"freq_skew":6.055450,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116231,"usec":363750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855658,"noise_level":-21.347849,"freq_skew":3.597655,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116232,"usec":890141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220382,"noise_level":-21.171007,"freq_skew":2.131342,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116234,"usec":427889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.726274,"noise_level":-21.319042,"freq_skew":6.422007,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116235,"usec":196163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951875,"noise_level":-21.079716,"freq_skew":3.093098,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116236,"usec":719249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.933937,"noise_level":-21.762037,"freq_skew":2.795341,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116236,"usec":720627},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450871,"noise_level":-21.751404,"freq_skew":4.757440,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141046","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,38,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116238,"usec":257829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822154,"noise_level":-21.136127,"freq_skew":4.640936,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116245,"usec":99268},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611186,"noise_level":-22.041159,"freq_skew":4.655780,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48553,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[217,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116245,"usec":102530},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083414,"noise_level":-21.942835,"freq_skew":4.007637,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"LIPE"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.200000},"alt":34000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116246,"usec":683959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.546777,"noise_level":-22.174780,"freq_skew":3.974033,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EN8880","msg_num":"M82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116247,"usec":429180},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.501230,"noise_level":-21.954453,"freq_skew":6.334903,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116248,"usec":184038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351833,"noise_level":-21.803482,"freq_skew":4.597694,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116251,"usec":234279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413355,"noise_level":-21.023062,"freq_skew":2.077486,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116251,"usec":247019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931159,"noise_level":-21.593199,"freq_skew":3.000791,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116251,"usec":999602},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589665,"noise_level":-21.458597,"freq_skew":3.499994,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR07YF","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116252,"usec":7359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860235,"noise_level":-21.386971,"freq_skew":4.147643,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116252,"usec":746148},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587143,"noise_level":-21.265547,"freq_skew":3.671431,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121117","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,79,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116253,"usec":566558},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032051,"noise_level":-21.626759,"freq_skew":3.697253,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116254,"usec":302654},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.845485,"noise_level":-21.605835,"freq_skew":3.839900,"avlc":{"src":{"addr":"4D23FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116254,"usec":318652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432327,"noise_level":-21.450483,"freq_skew":1.596838,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116258,"usec":125725},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.271866,"noise_level":-21.419521,"freq_skew":5.456163,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBJ","mode":"2","label":"_d","blk_id":"5","ack":"L","flight":"OS013D","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116260,"usec":423455},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025198,"noise_level":-20.628204,"freq_skew":4.964836,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116268,"usec":64216},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765734,"noise_level":-20.860226,"freq_skew":3.576848,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116272,"usec":627848},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702970,"noise_level":-22.729408,"freq_skew":5.174943,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116272,"usec":632707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425711,"noise_level":-22.681965,"freq_skew":1.616613,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116276,"usec":453101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877067,"noise_level":-22.131783,"freq_skew":5.735024,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116277,"usec":234656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813964,"noise_level":-22.260487,"freq_skew":5.334076,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116281,"usec":50458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835578,"noise_level":-21.929203,"freq_skew":1.714333,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116281,"usec":809457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815595,"noise_level":-21.905064,"freq_skew":4.146351,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116283,"usec":341312},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675532,"noise_level":-22.072483,"freq_skew":5.178452,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VGB","mode":"2","label":"_d","blk_id":"2","ack":"T","flight":"ZD0101","msg_num":"M18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116284,"usec":90412},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469251,"noise_level":-21.914047,"freq_skew":4.599684,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":25,"dst_ref":48553,"variable_part_params":[{"name":"checksum","value":[202,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116290,"usec":201304},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976168,"noise_level":-21.832432,"freq_skew":5.180614,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VGB","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"ZD0101","msg_num":"M19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116292,"usec":479860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062809,"noise_level":-21.181301,"freq_skew":5.802466,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OYCHL","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"XA0001","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116293,"usec":261392},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463477,"noise_level":-20.820690,"freq_skew":3.698897,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46529,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,127,234,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116297,"usec":853900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843570,"noise_level":-20.215761,"freq_skew":3.321544,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116298,"usec":625873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691181,"noise_level":-19.883816,"freq_skew":3.628161,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116306,"usec":235728},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020261,"noise_level":-21.671719,"freq_skew":5.652188,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116306,"usec":249006},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.188533,"noise_level":-21.546276,"freq_skew":3.894777,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116307,"usec":3394},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814110,"noise_level":-21.371609,"freq_skew":5.842871,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OYCHL","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XA0001","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116307,"usec":808460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.308942,"noise_level":-21.091366,"freq_skew":5.628237,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116308,"usec":562728},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677050,"noise_level":-20.867744,"freq_skew":1.505422,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116310,"usec":829535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635000,"noise_level":-20.176126,"freq_skew":3.914533,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116310,"usec":835813},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998513,"noise_level":-20.061653,"freq_skew":1.363267,"avlc":{"src":{"addr":"0A0022","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116311,"usec":589472},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299194,"noise_level":-20.458687,"freq_skew":4.027237,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"4Y1000","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116316,"usec":964827},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973475,"noise_level":-19.156033,"freq_skew":1.846208,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"DTTJ"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":9.600000},"alt":37000}},{"name":"alternate_ground_stations","value":["109ACA","10981A","1090BA","109CBA","10935A","10911A","1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116317,"usec":719820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014479,"noise_level":-18.945791,"freq_skew":3.915876,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"_d","blk_id":"0","ack":"Q","flight":"4Y1000","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116318,"usec":475468},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.881232,"noise_level":-18.778168,"freq_skew":-0.554626,"avlc":{"src":{"addr":"395D67","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116318,"usec":485241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013614,"noise_level":-19.181959,"freq_skew":4.783190,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116321,"usec":551977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510579,"noise_level":-18.763121,"freq_skew":1.825132,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116321,"usec":552596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.834167,"noise_level":-18.763121,"freq_skew":3.984127,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116321,"usec":558523},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144581,"noise_level":-18.718037,"freq_skew":5.267059,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBJ","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"OS013D","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116323,"usec":830399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.226527,"noise_level":-18.280134,"freq_skew":4.027975,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116325,"usec":345641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092173,"noise_level":-17.974758,"freq_skew":1.775083,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116325,"usec":349774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424596,"noise_level":-17.947283,"freq_skew":3.907711,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116326,"usec":108407},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141344,"noise_level":-17.690517,"freq_skew":3.616595,"avlc":{"src":{"addr":"4CA24F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31777,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[54,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116327,"usec":628768},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577283,"noise_level":-17.441128,"freq_skew":4.302376,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"RJ0125","msg_num":"J23","msg_num_seq":"A","msg_text":"/EDDF.TI2/000EDDFA7604"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116332,"usec":242296},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737329,"noise_level":-17.565464,"freq_skew":4.223280,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"_d","blk_id":"0","ack":"W","flight":"RJ0125","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116333,"usec":9938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.058478,"noise_level":-18.907913,"freq_skew":3.846267,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116334,"usec":548956},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561530,"noise_level":-19.773071,"freq_skew":2.080004,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS0003","msg_num":"M09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116335,"usec":316123},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077925,"noise_level":-20.573460,"freq_skew":1.927222,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116338,"usec":353575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236585,"noise_level":-19.691866,"freq_skew":4.011799,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116339,"usec":118091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.116405,"noise_level":-19.419533,"freq_skew":3.693816,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116339,"usec":875769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.718739,"noise_level":-19.234650,"freq_skew":4.058352,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116344,"usec":475335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.887771,"noise_level":-18.961349,"freq_skew":3.053927,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116345,"usec":991550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346315,"noise_level":-18.576923,"freq_skew":4.268272,"avlc":{"src":{"addr":"4CA9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116348,"usec":303745},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061588,"noise_level":-18.838289,"freq_skew":3.804726,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116348,"usec":319905},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255415,"noise_level":-18.732553,"freq_skew":3.658797,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116349,"usec":81734},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.291437,"noise_level":-18.539539,"freq_skew":3.086364,"avlc":{"src":{"addr":"504E61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116349,"usec":814698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.899433,"noise_level":-18.495602,"freq_skew":3.887186,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116349,"usec":819726},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945637,"noise_level":-18.444618,"freq_skew":4.511449,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116350,"usec":578713},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.643544,"noise_level":-18.356932,"freq_skew":3.668829,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":199,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[188,23,230,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116351,"usec":341624},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.121558,"noise_level":-18.859295,"freq_skew":5.651438,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116351,"usec":349320},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217452,"noise_level":-19.236809,"freq_skew":4.096432,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":64,"dst_ref":60235,"variable_part_params":[{"name":"atn_checksum","value":[155,168,130,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116352,"usec":101339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935212,"noise_level":-19.040165,"freq_skew":5.610740,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116354,"usec":413842},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.876482,"noise_level":-20.443298,"freq_skew":5.628230,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116355,"usec":951998},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982833,"noise_level":-21.007404,"freq_skew":3.632144,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1237,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":7,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116358,"usec":996656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907606,"noise_level":-21.199236,"freq_skew":6.558684,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116359,"usec":729525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700646,"noise_level":-21.149519,"freq_skew":8.161521,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116359,"usec":739715},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882444,"noise_level":-21.050930,"freq_skew":3.813941,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":199,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[18,227,25,52]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":199,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[111,155,80,100]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":52,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116360,"usec":489806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025637,"noise_level":-20.885853,"freq_skew":6.060266,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116368,"usec":939858},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781182,"noise_level":-18.941946,"freq_skew":4.031532,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116369,"usec":709530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237919,"noise_level":-19.074078,"freq_skew":4.414152,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116370,"usec":449482},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838528,"noise_level":-20.189913,"freq_skew":3.713848,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABVX","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH0754","msg_num":"M67","msg_num_seq":"A","msg_text":"02862209255KOJY+-ME+3519,1+DWO2YY0,,W2JHDJ2134,--(+JD+1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116387,"usec":986773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060256,"noise_level":-19.535975,"freq_skew":5.328266,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116389,"usec":581181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424551,"noise_level":-18.985626,"freq_skew":5.388595,"avlc":{"src":{"addr":"3C6654","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116391,"usec":105456},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387014,"noise_level":-18.577995,"freq_skew":3.571410,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116394,"usec":924964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867983,"noise_level":-17.965721,"freq_skew":4.692916,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116401,"usec":798569},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615634,"noise_level":-17.655127,"freq_skew":3.865293,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116407,"usec":891267},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758178,"noise_level":-18.354305,"freq_skew":5.257085,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116409,"usec":451182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147045,"noise_level":-19.097424,"freq_skew":3.603207,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116410,"usec":185886},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910108,"noise_level":-19.365927,"freq_skew":2.796627,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116410,"usec":948572},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860743,"noise_level":-19.245646,"freq_skew":2.622355,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZN","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"LH05MW","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116417,"usec":59671},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152150,"noise_level":-18.990480,"freq_skew":5.392174,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60265,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,233,202,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116418,"usec":601015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.290614,"noise_level":-19.696276,"freq_skew":4.055872,"avlc":{"src":{"addr":"4CA84B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116422,"usec":425372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685511,"noise_level":-20.707228,"freq_skew":1.746887,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116423,"usec":201537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.009989,"noise_level":-20.329237,"freq_skew":3.918614,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116423,"usec":939139},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.419773,"noise_level":-20.266314,"freq_skew":5.160596,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116427,"usec":738818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.715508,"noise_level":-19.235832,"freq_skew":1.488626,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116430,"usec":83733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.929824,"noise_level":-19.888775,"freq_skew":4.194283,"avlc":{"src":{"addr":"4CA84B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116432,"usec":341435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955552,"noise_level":-19.332420,"freq_skew":3.314741,"avlc":{"src":{"addr":"3C5824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAFAD","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XA0000","msg_num":"M24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116433,"usec":94470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235126,"noise_level":-19.616385,"freq_skew":3.438426,"avlc":{"src":{"addr":"3C5824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116434,"usec":618809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676620,"noise_level":-20.703390,"freq_skew":1.875082,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"X302AX","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116436,"usec":176749},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691194,"noise_level":-21.431129,"freq_skew":5.341413,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48786,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[129,174,143,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":53,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116439,"usec":989755},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833849,"noise_level":-22.706585,"freq_skew":5.337837,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116441,"usec":502338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494920,"noise_level":-22.987305,"freq_skew":1.689902,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116443,"usec":61510},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802370,"noise_level":-23.409462,"freq_skew":5.075962,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116443,"usec":801509},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043707,"noise_level":-23.281788,"freq_skew":5.240349,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48786,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[76,215,165,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116443,"usec":801983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.772478,"noise_level":-23.269123,"freq_skew":2.771235,"avlc":{"src":{"addr":"407536","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116445,"usec":343155},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594698,"noise_level":-22.907475,"freq_skew":4.307993,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116446,"usec":81068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061226,"noise_level":-23.842783,"freq_skew":4.810518,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116446,"usec":88386},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881598,"noise_level":-24.408081,"freq_skew":3.943635,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":11,"dst_ref":60279,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[234,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116449,"usec":134534},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025210,"noise_level":-25.016850,"freq_skew":5.019263,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116449,"usec":144377},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518663,"noise_level":-24.863451,"freq_skew":4.425433,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":26,"dst_ref":48788,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[61,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116450,"usec":691024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141585,"noise_level":-24.318325,"freq_skew":3.711955,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116452,"usec":975197},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071552,"noise_level":-23.245029,"freq_skew":5.381628,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[50,137,28,152]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60265,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,77,150,198]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":54,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116452,"usec":978570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651111,"noise_level":-23.207249,"freq_skew":5.094868,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116452,"usec":979043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.121259,"noise_level":-23.207249,"freq_skew":5.073240,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116454,"usec":479547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014917,"noise_level":-23.008080,"freq_skew":5.302337,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116456,"usec":808742},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898066,"noise_level":-23.064293,"freq_skew":3.791691,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60281,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[69,100]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":54,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116456,"usec":817677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195660,"noise_level":-22.953756,"freq_skew":3.886202,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116457,"usec":559221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152089,"noise_level":-22.796534,"freq_skew":3.972533,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1198FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[236,175,148,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116457,"usec":565827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583125,"noise_level":-23.055805,"freq_skew":4.087826,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116458,"usec":327977},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699709,"noise_level":-22.776337,"freq_skew":5.236270,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.200000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116458,"usec":335292},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963431,"noise_level":-22.704887,"freq_skew":3.963065,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60281,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[212,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116460,"usec":593953},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146737,"noise_level":-22.475317,"freq_skew":3.821012,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60281,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[204,154]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116462,"usec":933145},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959317,"noise_level":-21.483143,"freq_skew":3.821986,"avlc":{"src":{"addr":"3009B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60281,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[102,110]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":54,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116464,"usec":457019},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282115,"noise_level":-21.386183,"freq_skew":3.821037,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1198FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[236,175,148,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116465,"usec":207766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104394,"noise_level":-22.215479,"freq_skew":4.843014,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116465,"usec":977633},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.940851,"noise_level":-22.195232,"freq_skew":5.342542,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"OS013D","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116467,"usec":475840},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609537,"noise_level":-23.734253,"freq_skew":5.459435,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116467,"usec":482976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266957,"noise_level":-23.641291,"freq_skew":3.778765,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116467,"usec":495005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295876,"noise_level":-24.423691,"freq_skew":3.461723,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116468,"usec":228970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645466,"noise_level":-25.015181,"freq_skew":5.261344,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116471,"usec":319468},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346548,"noise_level":-23.512783,"freq_skew":3.580352,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1198FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[236,175,148,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116472,"usec":78730},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838729,"noise_level":-23.491699,"freq_skew":5.154059,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116472,"usec":834234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641331,"noise_level":-23.361839,"freq_skew":5.040313,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116472,"usec":840972},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454211,"noise_level":-23.772440,"freq_skew":3.593454,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116473,"usec":584212},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474096,"noise_level":-23.749252,"freq_skew":3.372331,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116473,"usec":586308},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636172,"noise_level":-23.709221,"freq_skew":3.510287,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116473,"usec":593659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793344,"noise_level":-24.067717,"freq_skew":3.805899,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1239,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46529,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,127,234,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116473,"usec":597993},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828515,"noise_level":-23.984869,"freq_skew":3.394095,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48791,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,148,27,54]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"adsc_v2":{"adsc_ack":{"contract_number":0,"request_type":"periodic-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"EDYY"}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116475,"usec":880016},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722184,"noise_level":-24.240688,"freq_skew":4.619123,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":645,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116478,"usec":192275},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763669,"noise_level":-24.587305,"freq_skew":3.296244,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48791,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[5,253,116,171]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48791,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[233,219,175,118]}]}],"adsc_v2":{"adsc_ack":{"contract_number":1,"request_type":"event-contract","connected_atsu_list":{"low_priority":[{"facility_designation":"EDYY"}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116479,"usec":707830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662847,"noise_level":-23.921225,"freq_skew":3.334614,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116479,"usec":709024},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040401,"noise_level":-24.097383,"freq_skew":6.549286,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35443,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,220,225,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116479,"usec":730251},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569330,"noise_level":-24.520330,"freq_skew":6.872207,"avlc":{"src":{"addr":"4B1A66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35443,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[231,18,48,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116481,"usec":220283},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003009,"noise_level":-26.074539,"freq_skew":1.708039,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116481,"usec":231540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.490890,"noise_level":-25.867270,"freq_skew":3.599026,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116484,"usec":328082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678001,"noise_level":-24.871120,"freq_skew":3.528843,"avlc":{"src":{"addr":"010245","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116491,"usec":957563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689172,"noise_level":-22.083229,"freq_skew":3.747346,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116495,"usec":757944},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906857,"noise_level":-21.111376,"freq_skew":2.608490,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116498,"usec":813568},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.421092,"noise_level":-20.722589,"freq_skew":1.545589,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116498,"usec":814775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773970,"noise_level":-21.035364,"freq_skew":1.513693,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116503,"usec":421755},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478007,"noise_level":-22.455936,"freq_skew":3.589912,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[1,7,243,185]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43273,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,131,44,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":55,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116504,"usec":175720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167890,"noise_level":-22.438967,"freq_skew":4.145260,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"4Y1000","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116504,"usec":929028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042112,"noise_level":-22.983204,"freq_skew":5.099139,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116504,"usec":958073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221626,"noise_level":-22.682333,"freq_skew":3.588096,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116510,"usec":314773},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153366,"noise_level":-21.409264,"freq_skew":3.835088,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43273,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[126,30,128,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":55,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116511,"usec":829307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313306,"noise_level":-22.578381,"freq_skew":3.741924,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116512,"usec":581855},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531498,"noise_level":-23.332119,"freq_skew":1.382285,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43452,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[115,87]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116513,"usec":322862},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.378782,"noise_level":-25.177284,"freq_skew":3.766089,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[86,211,38,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116514,"usec":78275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213371,"noise_level":-24.803452,"freq_skew":1.399754,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116514,"usec":848166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528711,"noise_level":-25.004799,"freq_skew":3.532435,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116516,"usec":369637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173606,"noise_level":-24.236185,"freq_skew":5.106125,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116517,"usec":946067},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689725,"noise_level":-23.298462,"freq_skew":1.400385,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43452,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[18,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116517,"usec":946067},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.689725,"noise_level":-23.298462,"freq_skew":1.400385,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":17,"dst_ref":43452,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[249,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116519,"usec":453667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.870387,"noise_level":-23.855705,"freq_skew":2.618800,"avlc":{"src":{"addr":"3C4B4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116520,"usec":973201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.458107,"noise_level":-23.254200,"freq_skew":4.393743,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116520,"usec":974389},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782531,"noise_level":-23.241575,"freq_skew":4.149968,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":368,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116522,"usec":478470},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005816,"noise_level":-22.774952,"freq_skew":4.146461,"avlc":{"src":{"addr":"4CA84B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5121,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116523,"usec":258710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536005,"noise_level":-22.219248,"freq_skew":1.536242,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116524,"usec":805613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286269,"noise_level":-22.694407,"freq_skew":1.650043,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116527,"usec":77741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678303,"noise_level":-22.033205,"freq_skew":2.541424,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116529,"usec":375099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683129,"noise_level":-21.146955,"freq_skew":2.892668,"avlc":{"src":{"addr":"504E61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116530,"usec":150226},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114256,"noise_level":-21.285778,"freq_skew":1.732523,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60249,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[169,70,215,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116535,"usec":522434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154474,"noise_level":-21.419237,"freq_skew":1.759422,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116538,"usec":561720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.484092,"noise_level":-20.553568,"freq_skew":9.045259,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116539,"usec":319355},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.546708,"noise_level":-20.334179,"freq_skew":9.154883,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48769,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[110,117]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116540,"usec":74582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676475,"noise_level":-20.973501,"freq_skew":4.852445,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116540,"usec":850078},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644816,"noise_level":-20.611917,"freq_skew":5.964466,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[8,112]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116543,"usec":111817},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626345,"noise_level":-20.749083,"freq_skew":1.694793,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116546,"usec":189175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099186,"noise_level":-20.840151,"freq_skew":5.173270,"avlc":{"src":{"addr":"471F32","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116546,"usec":206260},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915005,"noise_level":-20.688393,"freq_skew":3.791287,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116547,"usec":702381},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210311,"noise_level":-21.255854,"freq_skew":1.807124,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116553,"usec":815358},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090230,"noise_level":-20.180635,"freq_skew":4.611835,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116555,"usec":350440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512438,"noise_level":-19.731297,"freq_skew":2.219120,"avlc":{"src":{"addr":"4D239A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116555,"usec":352047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564094,"noise_level":-20.197311,"freq_skew":3.826135,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[4]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116556,"usec":108076},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803476,"noise_level":-20.505001,"freq_skew":3.914798,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":252,"calling_addr":"24056755","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,82,76,88,0,80,93,237,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116556,"usec":117047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.563619,"noise_level":-20.577614,"freq_skew":3.702040,"avlc":{"src":{"addr":"4BB84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116561,"usec":456778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311098,"noise_level":-20.442505,"freq_skew":5.670629,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116564,"usec":535351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741031,"noise_level":-20.289284,"freq_skew":4.008103,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116564,"usec":535753},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-12.271076,"noise_level":-20.289284,"freq_skew":1.909794,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116568,"usec":346034},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700019,"noise_level":-19.865631,"freq_skew":5.605409,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43458,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[243,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116569,"usec":843965},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809802,"noise_level":-20.786257,"freq_skew":5.684535,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWD","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR84CE","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116571,"usec":408163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.765145,"noise_level":-20.821173,"freq_skew":3.810585,"avlc":{"src":{"addr":"4401E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116571,"usec":421045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193510,"noise_level":-20.716782,"freq_skew":5.325303,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116572,"usec":167785},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660273,"noise_level":-21.985819,"freq_skew":5.414414,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBJ","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"OS013D","msg_num":"M85","msg_num_seq":"A","msg_text":"00205266284QPXP1X HH6ELE8::E2H2:6U88ULUJ12:HX8YYY:U:2:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116573,"usec":691488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286117,"noise_level":-22.906511,"freq_skew":5.383803,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116574,"usec":448668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988746,"noise_level":-22.584816,"freq_skew":5.232244,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116575,"usec":200103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928589,"noise_level":-22.577869,"freq_skew":3.835906,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116577,"usec":542271},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484130,"noise_level":-22.631821,"freq_skew":5.009945,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VGB","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"ZD0101","msg_num":"M20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116577,"usec":544247},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929766,"noise_level":-23.554237,"freq_skew":5.186399,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60265,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[125,132,46,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116578,"usec":309731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722164,"noise_level":-23.161648,"freq_skew":5.720589,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116579,"usec":62356},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097053,"noise_level":-23.193577,"freq_skew":5.491217,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116579,"usec":811594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444917,"noise_level":-22.958416,"freq_skew":5.210269,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116580,"usec":578522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959979,"noise_level":-22.611334,"freq_skew":5.225502,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116582,"usec":87445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939727,"noise_level":-22.109863,"freq_skew":5.496552,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116584,"usec":401565},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499794,"noise_level":-22.439629,"freq_skew":5.288669,"avlc":{"src":{"addr":"4CA569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43461,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[147,216]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":56,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116586,"usec":680864},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708021,"noise_level":-21.653669,"freq_skew":2.748845,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116592,"usec":802843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363960,"noise_level":-26.248737,"freq_skew":1.109871,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116593,"usec":573525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848630,"noise_level":-26.366337,"freq_skew":2.695746,"avlc":{"src":{"addr":"4D23DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116593,"usec":574587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981909,"noise_level":-26.348278,"freq_skew":1.827100,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116595,"usec":80217},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541712,"noise_level":-25.932398,"freq_skew":3.605389,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWC","mode":"2","label":"_d","blk_id":"1","ack":"N","flight":"LH015X","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116597,"usec":420218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740091,"noise_level":-26.081354,"freq_skew":5.586432,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116605,"usec":38972},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.326979,"noise_level":-22.656322,"freq_skew":1.797345,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116607,"usec":315416},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443999,"noise_level":-23.088158,"freq_skew":6.110670,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43269,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[10,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":56,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116608,"usec":837206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107677,"noise_level":-22.535942,"freq_skew":5.330746,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116611,"usec":113996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977052,"noise_level":-21.589195,"freq_skew":4.170013,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116612,"usec":692324},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365159,"noise_level":-22.616734,"freq_skew":5.831087,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"KL066B","msg_num":"M43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116613,"usec":427918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.687341,"noise_level":-22.664627,"freq_skew":9.229401,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116613,"usec":446534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512137,"noise_level":-22.454702,"freq_skew":5.845776,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116617,"usec":246696},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801258,"noise_level":-22.078987,"freq_skew":8.331318,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDXQ"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":9.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116617,"usec":250229},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008239,"noise_level":-22.224640,"freq_skew":3.360190,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABVX","mode":"2","label":"_d","blk_id":"6","ack":"F","flight":"LH0754","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116618,"usec":783821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867631,"noise_level":-22.002010,"freq_skew":5.977357,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116620,"usec":297174},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655245,"noise_level":-22.727600,"freq_skew":8.313594,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"GS0000","msg_num":"M07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116621,"usec":822591},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384107,"noise_level":-23.135170,"freq_skew":8.359551,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116621,"usec":840047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769351,"noise_level":-23.986368,"freq_skew":3.495018,"avlc":{"src":{"addr":"3C4AD8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116624,"usec":100112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494337,"noise_level":-23.563560,"freq_skew":5.755635,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116627,"usec":179481},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.081030,"noise_level":-22.382242,"freq_skew":1.230511,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60249,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[159,123,158,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116631,"usec":21660},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346422,"noise_level":-21.148609,"freq_skew":1.361030,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60249,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[159,123,158,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116632,"usec":547604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413692,"noise_level":-20.582533,"freq_skew":5.867091,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116637,"usec":912045},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284737,"noise_level":-20.704639,"freq_skew":1.050962,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60249,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[159,123,158,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116638,"usec":675804},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976356,"noise_level":-21.109583,"freq_skew":4.209679,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116639,"usec":420445},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.869036,"noise_level":-22.254150,"freq_skew":4.059803,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43469,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[156,1,77,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116639,"usec":427088},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.884932,"noise_level":-22.186853,"freq_skew":9.217796,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48769,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[110,117]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116639,"usec":427947},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893841,"noise_level":-22.175690,"freq_skew":4.325684,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1606,"dst_ref":43469,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[83,103,168,48]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116640,"usec":188738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436852,"noise_level":-21.857971,"freq_skew":0.842352,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116640,"usec":189315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250151,"noise_level":-21.857971,"freq_skew":4.135300,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116642,"usec":449970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.829557,"noise_level":-22.180614,"freq_skew":3.962670,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116642,"usec":461070},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176627,"noise_level":-22.058662,"freq_skew":9.167719,"avlc":{"src":{"addr":"495299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48769,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[253,76]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":57,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116643,"usec":232892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835277,"noise_level":-22.121250,"freq_skew":8.431948,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116648,"usec":590734},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572034,"noise_level":-21.271160,"freq_skew":0.806687,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"VVTS"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":10.000000},"alt":19000}},{"name":"alternate_ground_stations","value":["29D257","219DD7","219DD8","298DD7","29E057","261557"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116649,"usec":322698},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065093,"noise_level":-22.291624,"freq_skew":1.318381,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116649,"usec":326860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525117,"noise_level":-22.190439,"freq_skew":1.069340,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"VN-A871","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"VN0030","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116649,"usec":327840},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658171,"noise_level":-23.328873,"freq_skew":0.954606,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"42100453","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,72,86,78,0,136,129,43,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116650,"usec":94511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600236,"noise_level":-24.221748,"freq_skew":4.189850,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116650,"usec":860732},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.206151,"noise_level":-23.838715,"freq_skew":0.989211,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116651,"usec":600752},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347097,"noise_level":-24.016457,"freq_skew":1.188086,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116655,"usec":445624},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.383711,"noise_level":-23.626675,"freq_skew":1.249570,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,86,76,71,0,52,82,5,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116655,"usec":464337},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089976,"noise_level":-23.405334,"freq_skew":8.304127,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116656,"usec":962008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.525149,"noise_level":-23.798069,"freq_skew":1.163334,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116656,"usec":971176},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.221409,"noise_level":-24.651089,"freq_skew":7.867445,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116660,"usec":807489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627582,"noise_level":-24.069082,"freq_skew":3.402957,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116663,"usec":89107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682066,"noise_level":-24.033384,"freq_skew":3.484389,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116663,"usec":843152},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.494161,"noise_level":-24.492245,"freq_skew":5.005214,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116666,"usec":918372},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.289879,"noise_level":-23.507776,"freq_skew":1.754518,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7519,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116667,"usec":691213},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577892,"noise_level":-23.226213,"freq_skew":5.952793,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116668,"usec":439631},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427039,"noise_level":-23.027023,"freq_skew":6.049887,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[141,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116670,"usec":721131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.238738,"noise_level":-23.409672,"freq_skew":5.186194,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116670,"usec":738516},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613879,"noise_level":-23.193726,"freq_skew":5.801230,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116671,"usec":478718},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113856,"noise_level":-23.793434,"freq_skew":5.526364,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[250,245,73,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116677,"usec":594636},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499969,"noise_level":-21.818256,"freq_skew":4.563321,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116678,"usec":402302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.691335,"noise_level":-21.513128,"freq_skew":3.189338,"avlc":{"src":{"addr":"407F64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116679,"usec":162042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342462,"noise_level":-21.258427,"freq_skew":4.553837,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116686,"usec":21952},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832574,"noise_level":-21.725473,"freq_skew":4.656101,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52841,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,23,207,97]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":57,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116686,"usec":788945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810954,"noise_level":-21.392887,"freq_skew":2.531026,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"LH003W","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116686,"usec":799953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784520,"noise_level":-21.731785,"freq_skew":4.426552,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116687,"usec":545227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444178,"noise_level":-21.532635,"freq_skew":4.546097,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116695,"usec":171338},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121254,"noise_level":-21.232851,"freq_skew":4.332117,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116695,"usec":955758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747100,"noise_level":-20.850954,"freq_skew":5.875058,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116696,"usec":697839},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621647,"noise_level":-20.699009,"freq_skew":5.967470,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[137,143]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116698,"usec":219064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099328,"noise_level":-20.774036,"freq_skew":4.483446,"avlc":{"src":{"addr":"3C0893","type":"Aircraft","status":"Airborne"},"dst":{"addr":"224A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116698,"usec":235423},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553252,"noise_level":-22.040083,"freq_skew":6.088174,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116699,"usec":38404},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714495,"noise_level":-21.769695,"freq_skew":4.058286,"avlc":{"src":{"addr":"4BBD03","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116701,"usec":299614},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.233865,"noise_level":-22.937405,"freq_skew":5.742798,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-EAJ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"SN2960","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116702,"usec":62386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812830,"noise_level":-23.682861,"freq_skew":4.089274,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116705,"usec":100055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162961,"noise_level":-24.481180,"freq_skew":1.955065,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116705,"usec":113474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847147,"noise_level":-24.294052,"freq_skew":4.769185,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116709,"usec":712434},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791084,"noise_level":-23.920250,"freq_skew":4.546445,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116714,"usec":293731},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955749,"noise_level":-26.074675,"freq_skew":4.698692,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116714,"usec":294420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954607,"noise_level":-26.074675,"freq_skew":5.905503,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116714,"usec":311166},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835961,"noise_level":-26.456684,"freq_skew":4.862452,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":784,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":7,"ack":3,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,68,76,72,0,60,74,19],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116715,"usec":800086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845148,"noise_level":-26.966593,"freq_skew":5.314508,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116715,"usec":801696},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762479,"noise_level":-26.851139,"freq_skew":4.670645,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,68,76,72,0,60,74,19,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116716,"usec":560201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522682,"noise_level":-27.120493,"freq_skew":5.303366,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116718,"usec":94101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936451,"noise_level":-27.816223,"freq_skew":0.775944,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116719,"usec":644268},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.493664,"noise_level":-27.324146,"freq_skew":3.398244,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43273,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[171,160,88,15]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43273,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[148,49,166,200]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":58,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116720,"usec":411704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941725,"noise_level":-27.431705,"freq_skew":5.018914,"avlc":{"src":{"addr":"4D223B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116721,"usec":165275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627952,"noise_level":-27.501154,"freq_skew":3.735269,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116724,"usec":965838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090966,"noise_level":-25.426659,"freq_skew":3.938359,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116728,"usec":49528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933564,"noise_level":-25.237644,"freq_skew":4.672726,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116728,"usec":55750},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266980,"noise_level":-26.038887,"freq_skew":0.749234,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116728,"usec":813519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.905156,"noise_level":-26.160328,"freq_skew":5.603342,"avlc":{"src":{"addr":"452169","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116734,"usec":184111},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641551,"noise_level":-24.885525,"freq_skew":3.711936,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH08PP","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116738,"usec":722146},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603089,"noise_level":-23.641321,"freq_skew":5.197084,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48821,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[182,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116738,"usec":728561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803751,"noise_level":-23.764137,"freq_skew":3.735156,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116740,"usec":274299},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763192,"noise_level":-23.683130,"freq_skew":3.764451,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH08PP","msg_num":"M82","msg_num_seq":"A","msg_text":"00529209281G:R:-G4YY9(AUSP5EMY++D2DOO:8C3MEE,-7PGG(+UYOO(+YDD8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116740,"usec":274670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925342,"noise_level":-23.683130,"freq_skew":5.189392,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116742,"usec":566458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963793,"noise_level":-23.104000,"freq_skew":3.869005,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116743,"usec":335104},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.582761,"noise_level":-23.446379,"freq_skew":1.972219,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[198,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116746,"usec":401252},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894941,"noise_level":-22.355385,"freq_skew":5.170410,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116747,"usec":158384},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880351,"noise_level":-22.086197,"freq_skew":5.277032,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8,"dst_ref":48822,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[216,69]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116748,"usec":688360},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500256,"noise_level":-21.509398,"freq_skew":5.124641,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":42,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48822,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[13,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":59,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116749,"usec":421680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024963,"noise_level":-21.376076,"freq_skew":4.576062,"avlc":{"src":{"addr":"48C226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116750,"usec":188468},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157629,"noise_level":-20.987968,"freq_skew":5.250298,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116751,"usec":708369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.833773,"noise_level":-20.768810,"freq_skew":3.221680,"avlc":{"src":{"addr":"407F64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116755,"usec":539017},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.053543,"noise_level":-20.305292,"freq_skew":1.197884,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116757,"usec":847619},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.846542,"noise_level":-20.198517,"freq_skew":4.951010,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116757,"usec":847843},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323986,"noise_level":-20.198517,"freq_skew":3.753312,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"RJ0125","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116758,"usec":588085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.054812,"noise_level":-20.154198,"freq_skew":4.124712,"avlc":{"src":{"addr":"3C664C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116761,"usec":676040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831365,"noise_level":-19.998533,"freq_skew":5.284329,"avlc":{"src":{"addr":"440666","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116762,"usec":427864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274758,"noise_level":-20.538311,"freq_skew":4.052982,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116763,"usec":198694},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247927,"noise_level":-20.523298,"freq_skew":4.953132,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116763,"usec":939816},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462618,"noise_level":-20.477293,"freq_skew":4.135127,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":369,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":8,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,74,65,0,116,72,34],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116764,"usec":703599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351255,"noise_level":-22.455566,"freq_skew":5.114166,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116765,"usec":487980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598616,"noise_level":-22.694397,"freq_skew":3.886677,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116766,"usec":280263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.641113,"noise_level":-23.378735,"freq_skew":5.203262,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116767,"usec":777082},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962654,"noise_level":-22.929188,"freq_skew":5.137734,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":9,"dst_ref":54812,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[104,253]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116770,"usec":818058},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892292,"noise_level":-21.715860,"freq_skew":5.144509,"avlc":{"src":{"addr":"3C6654","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRT","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"LH03NX","msg_num":"M53","msg_num_seq":"A","msg_text":"/ENGM.TI2/040ENGMA5AC3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116771,"usec":593887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019929,"noise_level":-22.446985,"freq_skew":3.937537,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116774,"usec":672175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196192,"noise_level":-23.253801,"freq_skew":5.202517,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116776,"usec":951636},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404136,"noise_level":-23.553383,"freq_skew":3.379888,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":222,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116784,"usec":570886},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074864,"noise_level":-20.920643,"freq_skew":1.998610,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[248,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116784,"usec":579521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268660,"noise_level":-20.843727,"freq_skew":5.953055,"avlc":{"src":{"addr":"471D6B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116785,"usec":319021},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809806,"noise_level":-21.103821,"freq_skew":5.925740,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[3,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116786,"usec":857578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081598,"noise_level":-21.412085,"freq_skew":0.698408,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116787,"usec":666240},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624635,"noise_level":-22.265362,"freq_skew":3.663388,"avlc":{"src":{"addr":"74482C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAL","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"RJ0125","msg_num":"M01","msg_num_seq":"A","msg_text":"115942,11698,1220, 40,N 49.864 E 9.176"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116789,"usec":948758},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.708789,"noise_level":-22.038662,"freq_skew":5.692129,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[24,89]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116796,"usec":802724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963660,"noise_level":-20.560169,"freq_skew":2.377530,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116798,"usec":345823},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.058255,"noise_level":-19.945526,"freq_skew":1.909685,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60270,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,170]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":11,"min":59,"sec":57}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116800,"usec":648140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866832,"noise_level":-20.389244,"freq_skew":3.583148,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116802,"usec":944844},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253936,"noise_level":-20.004913,"freq_skew":1.962090,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[244,122]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116804,"usec":454969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117569,"noise_level":-19.630692,"freq_skew":4.014843,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116814,"usec":401593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091919,"noise_level":-20.331512,"freq_skew":2.625046,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116815,"usec":917627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483542,"noise_level":-19.943264,"freq_skew":3.926930,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116817,"usec":440169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906238,"noise_level":-19.472979,"freq_skew":8.383679,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116822,"usec":44870},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662125,"noise_level":-19.617235,"freq_skew":5.801825,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXF","mode":"2","label":"20","blk_id":"2","ack":"!","flight":"KL066B","msg_num":"M44","msg_num_seq":"A","msg_text":"RST31A15120020KLM66B LJLJEHAM\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116823,"usec":554131},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776163,"noise_level":-20.691967,"freq_skew":2.858752,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":314,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116824,"usec":324472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059707,"noise_level":-20.447435,"freq_skew":5.876875,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116828,"usec":925497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251065,"noise_level":-19.815163,"freq_skew":3.969408,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116830,"usec":430657},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808317,"noise_level":-20.936169,"freq_skew":2.675711,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N879TQ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BO0844","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116830,"usec":433975},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881962,"noise_level":-21.859682,"freq_skew":2.763685,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"53014575","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,66,79,69,0,172,25,125,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116831,"usec":202166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614737,"noise_level":-21.460136,"freq_skew":2.871156,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116834,"usec":274779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719601,"noise_level":-20.590582,"freq_skew":2.679321,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116834,"usec":284205},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324477,"noise_level":-20.516520,"freq_skew":3.962825,"avlc":{"src":{"addr":"4CA702","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48811,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[155,30]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116854,"usec":155880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701471,"noise_level":-17.168087,"freq_skew":5.377686,"avlc":{"src":{"addr":"471D6B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116854,"usec":884731},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004804,"noise_level":-17.589529,"freq_skew":2.105078,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":6.900000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116861,"usec":18675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889884,"noise_level":-18.209160,"freq_skew":4.925289,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116862,"usec":526563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820091,"noise_level":-17.951511,"freq_skew":8.254969,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116862,"usec":529280},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.468919,"noise_level":-18.853628,"freq_skew":5.149519,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGS","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"W60569","msg_num":"F53","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116867,"usec":100407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883762,"noise_level":-20.892706,"freq_skew":2.581307,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116868,"usec":650025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.884197,"noise_level":-24.352840,"freq_skew":6.787605,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116868,"usec":658977},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430543,"noise_level":-24.224756,"freq_skew":5.683229,"avlc":{"src":{"addr":"4BCDEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOJ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XQ07XH","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116869,"usec":416165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874729,"noise_level":-24.504173,"freq_skew":1.015630,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116870,"usec":938898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709282,"noise_level":-25.274784,"freq_skew":5.744061,"avlc":{"src":{"addr":"4BCDEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116871,"usec":686170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392235,"noise_level":-25.817921,"freq_skew":0.951597,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116872,"usec":475111},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690592,"noise_level":-25.163948,"freq_skew":1.048112,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH04LM","msg_num":"218","msg_num_seq":"A","sublabel":"T2","msg_text":"T13!bMF)0N;&np&G'm|1GEeX0JmopEH1SiG7=(!Yr&jBFu:tX0K-9l1bpa=!9*u'6N[E%a4rfZ#`MFc$mON0>seSl","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":51,"ack_required":false,"compression":1,"encoding":0,"app_type":10,"non_acars":{"app_id":"0TU","message":{"text":"04EP15EDDFLGAVN49583E00831812000200P210012007GXXXX2400YG;ET"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116874,"usec":769593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150208,"noise_level":-24.812691,"freq_skew":0.985846,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116875,"usec":513089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468024,"noise_level":-25.546217,"freq_skew":3.487926,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116875,"usec":515053},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.922213,"noise_level":-25.911438,"freq_skew":5.154691,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGS","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"W60569","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116880,"usec":95919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897864,"noise_level":-26.150513,"freq_skew":5.652725,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116880,"usec":848207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448963,"noise_level":-25.821772,"freq_skew":5.396407,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116886,"usec":197141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643734,"noise_level":-24.061728,"freq_skew":5.413873,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116889,"usec":267701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.680325,"noise_level":-22.811338,"freq_skew":5.195399,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGS","mode":"2","label":"_d","blk_id":"5","ack":"S","flight":"W60569","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116890,"usec":799522},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.331798,"noise_level":-22.097166,"freq_skew":5.145922,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGS","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"W60569","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116894,"usec":645151},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584783,"noise_level":-21.639807,"freq_skew":6.115171,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116896,"usec":915520},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097513,"noise_level":-22.378101,"freq_skew":5.792352,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116897,"usec":682461},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835214,"noise_level":-22.401630,"freq_skew":6.147877,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXF","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"KL066B","msg_num":"M46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116899,"usec":189212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.217352,"noise_level":-23.337666,"freq_skew":5.521362,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116899,"usec":954968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613054,"noise_level":-22.914450,"freq_skew":2.538739,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116902,"usec":280169},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338357,"noise_level":-23.769081,"freq_skew":5.762710,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43493,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[236,40,205,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":1,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116902,"usec":280169},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.338357,"noise_level":-23.769081,"freq_skew":5.762710,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116903,"usec":41751},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661002,"noise_level":-23.363152,"freq_skew":5.874376,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116903,"usec":780887},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598324,"noise_level":-23.223555,"freq_skew":5.344589,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXF","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"KL066B","msg_num":"M46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116903,"usec":786224},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182538,"noise_level":-24.301056,"freq_skew":6.028272,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43493,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[138,122,17,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116903,"usec":792794},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507416,"noise_level":-24.215965,"freq_skew":5.330044,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXF","mode":"2","label":"_d","blk_id":"6","ack":"S","flight":"KL066B","msg_num":"M47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116906,"usec":57624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902889,"noise_level":-24.750175,"freq_skew":6.052469,"avlc":{"src":{"addr":"4B8DF2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43493,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[223,71,67,89]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116906,"usec":817309},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739041,"noise_level":-24.767979,"freq_skew":4.114449,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17072050","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,85,73,0,60,116,40,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116906,"usec":830931},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277458,"noise_level":-24.574640,"freq_skew":0.445061,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116906,"usec":837941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801425,"noise_level":-24.915197,"freq_skew":5.250414,"avlc":{"src":{"addr":"4BC8CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116907,"usec":588673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063181,"noise_level":-24.673843,"freq_skew":3.770609,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116908,"usec":384775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749437,"noise_level":-24.224483,"freq_skew":0.508354,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116910,"usec":682034},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331732,"noise_level":-23.849573,"freq_skew":0.269059,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116911,"usec":430996},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742300,"noise_level":-24.312836,"freq_skew":4.077816,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAH","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"X302HE","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116913,"usec":699299},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479651,"noise_level":-23.535240,"freq_skew":5.401634,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[179,13]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116913,"usec":713325},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756580,"noise_level":-23.354446,"freq_skew":4.038239,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116917,"usec":532813},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946211,"noise_level":-24.904604,"freq_skew":7.701387,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116919,"usec":834280},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.176128,"noise_level":-23.510283,"freq_skew":4.829382,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":11.100000},"alt":22000}},{"name":"alternate_ground_stations","value":["10910A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116920,"usec":587723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.220395,"noise_level":-23.190933,"freq_skew":8.484477,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116922,"usec":912889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006993,"noise_level":-22.309135,"freq_skew":4.819244,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116924,"usec":419266},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562058,"noise_level":-22.935850,"freq_skew":4.202367,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":8.700000},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116924,"usec":419608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939270,"noise_level":-22.935850,"freq_skew":3.785993,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116925,"usec":183766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803426,"noise_level":-22.566273,"freq_skew":2.550747,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116928,"usec":251026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782024,"noise_level":-22.596884,"freq_skew":5.316214,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116928,"usec":254051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702154,"noise_level":-22.561817,"freq_skew":8.278148,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116928,"usec":258974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.075016,"noise_level":-23.677237,"freq_skew":5.142863,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116929,"usec":7027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938770,"noise_level":-24.629326,"freq_skew":3.510659,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116929,"usec":16760},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840303,"noise_level":-24.511719,"freq_skew":5.423805,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":363,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43269,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[21,190]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":2,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116929,"usec":781543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674025,"noise_level":-24.070461,"freq_skew":3.425833,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116930,"usec":548394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453587,"noise_level":-23.597809,"freq_skew":5.479407,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116931,"usec":295014},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815738,"noise_level":-24.351490,"freq_skew":5.520454,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43486,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[76,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116934,"usec":341546},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745294,"noise_level":-25.313013,"freq_skew":2.342277,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":8.700000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116938,"usec":174441},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861925,"noise_level":-24.277565,"freq_skew":3.832420,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43495,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,183,135,70]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":2,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116938,"usec":182626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148690,"noise_level":-24.164597,"freq_skew":4.148439,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116938,"usec":926140},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576814,"noise_level":-24.039234,"freq_skew":0.742458,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"VN-A871","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"VN0030","msg_num":"D08","msg_num_seq":"A","sublabel":"DF","msg_text":"EB0032AA_VN-A871 EDDFVVTS195\r\n 49941 0107711201 24600-263269048110/9W010015"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116939,"usec":700434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208153,"noise_level":-24.535316,"freq_skew":0.217821,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116941,"usec":205933},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580010,"noise_level":-24.833721,"freq_skew":5.388255,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":364,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":1564},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994108,"noise_level":-26.565399,"freq_skew":4.451628,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":8.200000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":756977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264482,"noise_level":-26.150070,"freq_skew":4.262016,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":762151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846888,"noise_level":-26.079823,"freq_skew":0.332906,"avlc":{"src":{"addr":"88812B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"VN-A871","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"VN0030","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":763205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689998,"noise_level":-26.626354,"freq_skew":3.855668,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":773975},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801156,"noise_level":-27.404785,"freq_skew":4.275292,"avlc":{"src":{"addr":"3C664D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH014C","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116942,"usec":777731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362971,"noise_level":-27.343880,"freq_skew":0.739692,"avlc":{"src":{"addr":"896189","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116945,"usec":35295},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270894,"noise_level":-28.243946,"freq_skew":1.932609,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35482,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[216,51]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116946,"usec":572343},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875996,"noise_level":-26.857298,"freq_skew":4.000618,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116946,"usec":579345},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701776,"noise_level":-26.762177,"freq_skew":3.932813,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43495,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[225,187,149,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116948,"usec":76450},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.830492,"noise_level":-27.024763,"freq_skew":3.881047,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43495,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,111,149,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":2,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116948,"usec":899281},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559928,"noise_level":-27.775600,"freq_skew":3.942727,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116949,"usec":634009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646110,"noise_level":-27.544813,"freq_skew":3.990535,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116949,"usec":636635},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465627,"noise_level":-28.533289,"freq_skew":3.867870,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116951,"usec":165541},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582127,"noise_level":-27.262209,"freq_skew":8.287406,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":57,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116951,"usec":937014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707568,"noise_level":-28.332367,"freq_skew":4.019024,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116952,"usec":690285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693615,"noise_level":-27.847433,"freq_skew":2.333457,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116952,"usec":695565},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553398,"noise_level":-27.762100,"freq_skew":4.985910,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":51,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[20,28]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116954,"usec":190441},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809662,"noise_level":-28.185558,"freq_skew":3.940897,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116956,"usec":532441},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767420,"noise_level":-27.206383,"freq_skew":4.754611,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116958,"usec":50494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360027,"noise_level":-28.506325,"freq_skew":3.743829,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH05LY","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116958,"usec":794505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.160245,"noise_level":-29.352268,"freq_skew":2.100776,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116959,"usec":550621},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588967,"noise_level":-29.168451,"freq_skew":2.077252,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH003W","msg_num":"M16","msg_num_seq":"A","msg_text":"00013209202HI2Y)3W22M3I1UG323Y23G78KO+FUU35IJG3GMGIUM2M3223G"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116959,"usec":570763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090199,"noise_level":-28.957396,"freq_skew":3.732751,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116960,"usec":317020},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097816,"noise_level":-28.880156,"freq_skew":1.936249,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LS0003","msg_num":"M13","msg_num_seq":"A","msg_text":"0E21202352/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":2,"sec":35}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116961,"usec":68539},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051657,"noise_level":-28.548544,"freq_skew":3.774491,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":8.400001},"alt":28000}},{"name":"alternate_ground_stations","value":["10943A","10911A","10935A","109ACA","10910A","10981A","10902A","1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116963,"usec":399951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140600,"noise_level":-27.465857,"freq_skew":3.989410,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116964,"usec":145964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500769,"noise_level":-27.469479,"freq_skew":1.906263,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116964,"usec":900065},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367713,"noise_level":-27.009771,"freq_skew":5.091182,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":51,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[20,28]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116965,"usec":666077},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732229,"noise_level":-26.517813,"freq_skew":8.482803,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[238,231]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116967,"usec":178179},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482619,"noise_level":-26.267969,"freq_skew":3.733427,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116967,"usec":179384},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497159,"noise_level":-26.232296,"freq_skew":4.921003,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48822,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[158,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116969,"usec":521943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341323,"noise_level":-26.290657,"freq_skew":5.041613,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116971,"usec":36551},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181026,"noise_level":-26.164444,"freq_skew":4.360642,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCB","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"SK2768","msg_num":"S86","msg_num_seq":"A","msg_text":"0EV120248V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":12,"min":2,"sec":48}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116971,"usec":782548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739462,"noise_level":-25.971338,"freq_skew":4.212055,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116971,"usec":783392},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744798,"noise_level":-26.429777,"freq_skew":3.970031,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCFV"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116971,"usec":803331},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546642,"noise_level":-26.073006,"freq_skew":5.041740,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":10.200000},"alt":39000}},{"name":"alternate_ground_stations","value":["234837","261557","26D478","2848F8","219DD8","2148B7","26D477","2251B7"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116972,"usec":543853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.565883,"noise_level":-25.968771,"freq_skew":3.991900,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116972,"usec":559961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881877,"noise_level":-25.747129,"freq_skew":4.492471,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116974,"usec":55331},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322248,"noise_level":-26.211090,"freq_skew":3.598937,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116974,"usec":818349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.684413,"noise_level":-26.143517,"freq_skew":4.494109,"avlc":{"src":{"addr":"346185","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116974,"usec":837071},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.365596,"noise_level":-26.071869,"freq_skew":1.667111,"avlc":{"src":{"addr":"3C55C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":17,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48844,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[73,176,131,118]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116975,"usec":635145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364604,"noise_level":-25.746033,"freq_skew":3.773689,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116976,"usec":391625},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.781534,"noise_level":-25.415762,"freq_skew":4.484933,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116979,"usec":419260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149459,"noise_level":-24.122181,"freq_skew":3.603304,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116979,"usec":444068},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673676,"noise_level":-23.860884,"freq_skew":4.410123,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-LCYO","mode":"2","label":"_d","blk_id":"0","ack":"O","flight":"CJ8765","msg_num":"M18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116980,"usec":171885},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907207,"noise_level":-23.580942,"freq_skew":4.253849,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43335,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[201,96]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116985,"usec":553628},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576120,"noise_level":-23.696209,"freq_skew":1.774241,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[195,253]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116986,"usec":318890},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.985665,"noise_level":-23.357285,"freq_skew":3.919920,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116989,"usec":382846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485149,"noise_level":-22.720358,"freq_skew":4.023139,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116991,"usec":659864},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146560,"noise_level":-22.790634,"freq_skew":1.724459,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[195,253]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116992,"usec":406680},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907194,"noise_level":-22.601086,"freq_skew":4.931314,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48822,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[154,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116995,"usec":444914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875223,"noise_level":-22.970934,"freq_skew":4.560676,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116996,"usec":249149},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583382,"noise_level":-24.022522,"freq_skew":3.494901,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWC","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH015X","msg_num":"M73","msg_num_seq":"A","msg_text":"000592677324HOEEV2V2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116997,"usec":789298},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099307,"noise_level":-23.193806,"freq_skew":5.110090,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":71,"dst_ref":32852,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[249,84,122,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784116999,"usec":276352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.642841,"noise_level":-22.789345,"freq_skew":5.003169,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117003,"usec":141263},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499238,"noise_level":-22.500542,"freq_skew":4.989531,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117004,"usec":650030},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.619183,"noise_level":-22.126450,"freq_skew":1.650990,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60270,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[240,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117004,"usec":657640},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355477,"noise_level":-22.060131,"freq_skew":3.475071,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117005,"usec":427582},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096211,"noise_level":-21.746542,"freq_skew":1.927339,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7534,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35482,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,78]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":3,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117008,"usec":439350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.334622,"noise_level":-20.935925,"freq_skew":5.104446,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117008,"usec":460692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.177773,"noise_level":-20.744562,"freq_skew":3.824358,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117009,"usec":245749},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.588773,"noise_level":-20.622402,"freq_skew":1.654848,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":60270,"variable_part_params":[{"name":"checksum","value":[23,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117010,"usec":10630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.492879,"noise_level":-21.414145,"freq_skew":1.635706,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117011,"usec":524479},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528955,"noise_level":-20.927183,"freq_skew":4.968277,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":10.200000},"alt":39000}},{"name":"alternate_ground_stations","value":["234837","261557","26D478","2848F8","219DD8","2148B7","26D477","2251B7"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117012,"usec":299643},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171342,"noise_level":-21.763588,"freq_skew":1.731137,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35482,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[119,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117018,"usec":388175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608228,"noise_level":-22.753038,"freq_skew":3.800261,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117018,"usec":400064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306930,"noise_level":-23.918943,"freq_skew":4.599267,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117032,"usec":903280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314199,"noise_level":-20.261013,"freq_skew":5.601237,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117037,"usec":506233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761451,"noise_level":-19.382389,"freq_skew":4.788338,"avlc":{"src":{"addr":"346185","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117038,"usec":278038},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633798,"noise_level":-19.158777,"freq_skew":4.388076,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117038,"usec":281638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891185,"noise_level":-19.127296,"freq_skew":4.484701,"avlc":{"src":{"addr":"346185","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117039,"usec":18033},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476533,"noise_level":-19.080292,"freq_skew":1.136979,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDP"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":11.600000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117042,"usec":54619},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633745,"noise_level":-21.469328,"freq_skew":4.112610,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43335,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[43,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117042,"usec":54903},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810122,"noise_level":-21.469328,"freq_skew":4.324674,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117042,"usec":76563},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522359,"noise_level":-22.876339,"freq_skew":1.394030,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"DI01LE","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117042,"usec":819898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300076,"noise_level":-23.698357,"freq_skew":5.814333,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117043,"usec":625456},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401418,"noise_level":-23.488176,"freq_skew":1.158735,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117043,"usec":628856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032296,"noise_level":-24.450159,"freq_skew":4.404543,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117043,"usec":631458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976269,"noise_level":-24.421211,"freq_skew":3.734437,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117043,"usec":631639},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636833,"noise_level":-24.421211,"freq_skew":4.484515,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":790,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":10,"ack":4,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,68,76,72,0,60,74,19],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117043,"usec":637645},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776998,"noise_level":-25.396547,"freq_skew":4.074949,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117044,"usec":381909},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668128,"noise_level":-25.642765,"freq_skew":3.902650,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48841,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[168,158,181,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117044,"usec":392554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.211853,"noise_level":-25.494347,"freq_skew":4.281871,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AALR","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"3S0531","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117045,"usec":129955},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513314,"noise_level":-26.174917,"freq_skew":5.471995,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117045,"usec":133735},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853187,"noise_level":-26.052008,"freq_skew":4.572977,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[20,28]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117045,"usec":134317},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600093,"noise_level":-26.034588,"freq_skew":3.957390,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48841,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,111,153,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":4,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117045,"usec":899225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768415,"noise_level":-25.676666,"freq_skew":1.400980,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"25B2C5","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117046,"usec":658052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595853,"noise_level":-25.651674,"freq_skew":4.522668,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117047,"usec":419295},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616111,"noise_level":-26.198524,"freq_skew":3.923358,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48841,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,111,153,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":4,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117048,"usec":929596},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928416,"noise_level":-25.582554,"freq_skew":3.762888,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117048,"usec":934842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259695,"noise_level":-25.549269,"freq_skew":4.372754,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117048,"usec":939539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992608,"noise_level":-25.483696,"freq_skew":1.336617,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"25B2C5","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117048,"usec":948051},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526534,"noise_level":-26.062052,"freq_skew":4.043097,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117052,"usec":23275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928196,"noise_level":-24.778648,"freq_skew":4.552533,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117052,"usec":31242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501245,"noise_level":-25.282133,"freq_skew":1.232802,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"25B2C5","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117052,"usec":782894},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142233,"noise_level":-24.959879,"freq_skew":3.979308,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062413","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,70,69,0,64,101,11,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117055,"usec":56065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059284,"noise_level":-23.972668,"freq_skew":4.265453,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117056,"usec":619584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592944,"noise_level":-23.715677,"freq_skew":4.581133,"avlc":{"src":{"addr":"346185","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117057,"usec":375037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794149,"noise_level":-23.453220,"freq_skew":1.186580,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"25B2C5","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117058,"usec":892141},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573516,"noise_level":-22.890177,"freq_skew":2.328324,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINC","mode":"2","label":"_d","blk_id":"9","ack":"J","flight":"LH001E","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117060,"usec":432557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.848831,"noise_level":-23.057808,"freq_skew":4.346509,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117061,"usec":169335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879008,"noise_level":-23.521297,"freq_skew":4.079357,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117061,"usec":945785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132097,"noise_level":-23.027500,"freq_skew":3.981411,"avlc":{"src":{"addr":"40650B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117063,"usec":481484},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.371256,"noise_level":-22.536980,"freq_skew":4.537902,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EDDP"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":14.500000},"alt":32000}},{"name":"alternate_ground_stations","value":["224A77","2B24B7","2754B7"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117063,"usec":483958},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.417888,"noise_level":-22.455931,"freq_skew":1.814245,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,85,73,0,60,12,166,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,73,84,0,1,82,82,1,143,69,83,80,68,0,1,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":7537,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":16,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[219,89]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117065,"usec":777394},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033104,"noise_level":-22.206881,"freq_skew":3.826227,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48841,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[113,11,226,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117066,"usec":516432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061393,"noise_level":-22.682682,"freq_skew":3.471511,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117067,"usec":295768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.486340,"noise_level":-22.266939,"freq_skew":4.409619,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117071,"usec":884087},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949102,"noise_level":-22.840424,"freq_skew":4.681313,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VGB","mode":"2","label":"44","blk_id":"5","ack":"!","flight":"ZD0101","msg_num":"M21","msg_num_seq":"A","msg_text":"06cE5g 7M9` .fLggf (:7C9 7LoE57a5A<7g(.)7. g97. `7gg ,)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117073,"usec":423581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532027,"noise_level":-22.123951,"freq_skew":3.546473,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117074,"usec":174822},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121885,"noise_level":-23.069782,"freq_skew":4.787467,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117075,"usec":674526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636383,"noise_level":-22.682747,"freq_skew":3.313461,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117075,"usec":683602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.465737,"noise_level":-22.576933,"freq_skew":1.832182,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117075,"usec":693572},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.530787,"noise_level":-22.495514,"freq_skew":1.927837,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":16,"dst_ref":269,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[18,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117077,"usec":999944},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062425,"noise_level":-22.050447,"freq_skew":1.773495,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117078,"usec":5273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666207,"noise_level":-21.995628,"freq_skew":4.313342,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117078,"usec":10639},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538078,"noise_level":-21.941151,"freq_skew":4.695340,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48822,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[99,68]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117078,"usec":767177},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240788,"noise_level":-21.716007,"freq_skew":1.680524,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17006246","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,166,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117081,"usec":54859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151620,"noise_level":-21.439932,"freq_skew":1.707137,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117087,"usec":179844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509052,"noise_level":-20.114029,"freq_skew":4.351449,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117088,"usec":663494},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881869,"noise_level":-20.036034,"freq_skew":2.185822,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117107,"usec":30888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891089,"noise_level":-18.129362,"freq_skew":5.324163,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117107,"usec":34258},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269057,"noise_level":-18.802530,"freq_skew":3.772060,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-GSTB","mode":"2","label":"_d","blk_id":"1","ack":"V","flight":"4Y1000","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117109,"usec":295462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.735742,"noise_level":-18.331234,"freq_skew":3.653565,"avlc":{"src":{"addr":"3C5EE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117110,"usec":108979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413648,"noise_level":-18.722515,"freq_skew":5.540237,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117112,"usec":379114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073270,"noise_level":-18.382816,"freq_skew":4.631765,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117113,"usec":142888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690700,"noise_level":-18.320835,"freq_skew":1.610094,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117113,"usec":151818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186603,"noise_level":-18.256641,"freq_skew":4.324624,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117113,"usec":900803},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165188,"noise_level":-20.393496,"freq_skew":5.226615,"avlc":{"src":{"addr":"4D215C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"9H646FX","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XA0646","msg_num":"M26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117114,"usec":669625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846856,"noise_level":-20.166431,"freq_skew":2.792540,"avlc":{"src":{"addr":"AC197D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117116,"usec":189572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079113,"noise_level":-19.986227,"freq_skew":5.181385,"avlc":{"src":{"addr":"4D215C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117116,"usec":950527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309367,"noise_level":-21.352089,"freq_skew":4.897588,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117118,"usec":510987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000450,"noise_level":-21.054825,"freq_skew":1.478949,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117120,"usec":40822},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.943634,"noise_level":-20.559242,"freq_skew":3.382647,"avlc":{"src":{"addr":"4ACA6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":8.400001},"alt":31000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117121,"usec":547423},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.763349,"noise_level":-20.090412,"freq_skew":3.337260,"avlc":{"src":{"addr":"4ACA6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RSL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SK061U","msg_num":"M09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117123,"usec":802824},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109288,"noise_level":-19.944828,"freq_skew":1.832906,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":275,"variable_part_params":[{"name":"checksum","value":[155,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117125,"usec":386101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517614,"noise_level":-20.445843,"freq_skew":3.911161,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117126,"usec":129400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184144,"noise_level":-20.838566,"freq_skew":5.187781,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117129,"usec":160715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333620,"noise_level":-19.956919,"freq_skew":3.638490,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117133,"usec":4844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.749207,"noise_level":-20.508699,"freq_skew":3.781826,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117133,"usec":770764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116634,"noise_level":-20.674116,"freq_skew":1.723394,"avlc":{"src":{"addr":"49D0F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117133,"usec":777176},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073289,"noise_level":-20.617977,"freq_skew":2.626744,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":240,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117139,"usec":116307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549477,"noise_level":-20.663958,"freq_skew":2.221189,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117139,"usec":135968},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719844,"noise_level":-21.444832,"freq_skew":4.668424,"avlc":{"src":{"addr":"471F9E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21617636","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,87,90,90,0,71,31,158,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117139,"usec":876405},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705732,"noise_level":-22.151562,"freq_skew":4.545592,"avlc":{"src":{"addr":"471F9E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LZI","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"W601EB","msg_num":"S02","msg_num_seq":"A","msg_text":"0EV120537V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":12,"min":5,"sec":37}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117141,"usec":406481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587642,"noise_level":-21.717489,"freq_skew":4.742906,"avlc":{"src":{"addr":"471F9E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117142,"usec":919721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.885329,"noise_level":-21.173849,"freq_skew":3.567355,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117143,"usec":695141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090473,"noise_level":-20.775469,"freq_skew":3.876828,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117145,"usec":231419},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.810913,"noise_level":-20.403652,"freq_skew":4.979506,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117146,"usec":8015},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.986932,"noise_level":-20.957111,"freq_skew":5.039537,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117147,"usec":513975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982685,"noise_level":-21.660788,"freq_skew":4.547429,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117148,"usec":291036},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626722,"noise_level":-21.391581,"freq_skew":2.203461,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWV","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH06FM","msg_num":"M17","msg_num_seq":"A","msg_text":"00098209288Q2AA44*66)TT1,1IA2MI7UULL*-DFTIEE,--1PIIPD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117148,"usec":294163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762339,"noise_level":-21.371212,"freq_skew":4.655496,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117148,"usec":294761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994688,"noise_level":-21.361046,"freq_skew":5.646578,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117151,"usec":362621},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.392570,"noise_level":-22.067234,"freq_skew":3.432187,"avlc":{"src":{"addr":"4ACA6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[133,52]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117152,"usec":889880},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793238,"noise_level":-21.471050,"freq_skew":3.720522,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117154,"usec":410065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951487,"noise_level":-21.248959,"freq_skew":4.739409,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117154,"usec":410966},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279305,"noise_level":-21.620760,"freq_skew":5.240133,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCX","mode":"2","label":"8S","blk_id":"3","ack":"!","flight":"FR0000","msg_num":"M54","msg_num_seq":"A","msg_text":"111458,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117156,"usec":667173},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.085488,"noise_level":-21.004599,"freq_skew":5.242242,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCX","mode":"2","label":"8S","blk_id":"4","ack":"!","flight":"FR83XQ","msg_num":"M55","msg_num_seq":"A","msg_text":"111641,C,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117158,"usec":228520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897053,"noise_level":-21.425926,"freq_skew":5.182400,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117158,"usec":235362},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.183911,"noise_level":-21.364729,"freq_skew":5.160472,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LIRA"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":16.600000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117163,"usec":545441},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770534,"noise_level":-19.696123,"freq_skew":1.291314,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117165,"usec":108653},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.910955,"noise_level":-22.099007,"freq_skew":3.543137,"avlc":{"src":{"addr":"4ACA6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117166,"usec":619550},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061376,"noise_level":-22.251177,"freq_skew":5.557715,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117167,"usec":399263},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.972876,"noise_level":-22.094210,"freq_skew":4.283536,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35500,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[40,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117171,"usec":218164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444297,"noise_level":-22.721033,"freq_skew":5.016070,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117171,"usec":976401},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580702,"noise_level":-23.220276,"freq_skew":2.534808,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINC","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH001E","msg_num":"246","msg_num_seq":"B","sublabel":"T2","msg_text":"#Yo;EL@:='*sX*hNF\"AG.YV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117176,"usec":540616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440030,"noise_level":-22.982428,"freq_skew":2.462322,"avlc":{"src":{"addr":"3C65C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117176,"usec":551884},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266943,"noise_level":-23.786421,"freq_skew":5.050419,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117177,"usec":281791},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816041,"noise_level":-23.613539,"freq_skew":4.898942,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCX","mode":"2","label":"QQ","blk_id":"3","ack":"!","flight":"FR83XQ","msg_num":"M62","msg_num_seq":"A","msg_text":"EDSBLICT12031158"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117178,"usec":852863},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873730,"noise_level":-23.274055,"freq_skew":5.064334,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCX","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"FR83XQ","msg_num":"S18","msg_num_seq":"A","msg_text":"0E21205462/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":5,"sec":46}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117181,"usec":148933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766851,"noise_level":-22.180864,"freq_skew":4.415113,"avlc":{"src":{"addr":"346185","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117184,"usec":171636},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068303,"noise_level":-21.210007,"freq_skew":4.655581,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48822,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[101,211]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":6,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117187,"usec":262799},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.153950,"noise_level":-20.876825,"freq_skew":4.591388,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20101553","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,131,107,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117188,"usec":27560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.163061,"noise_level":-20.593245,"freq_skew":4.577425,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117190,"usec":278313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.477695,"noise_level":-20.088116,"freq_skew":3.421957,"avlc":{"src":{"addr":"4ACA6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117191,"usec":855614},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.506089,"noise_level":-19.727186,"freq_skew":4.458673,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":48822,"variable_part_params":[{"name":"checksum","value":[185,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117193,"usec":383699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567630,"noise_level":-22.431656,"freq_skew":4.510706,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117200,"usec":239730},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822478,"noise_level":-21.099998,"freq_skew":4.574014,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[38,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117202,"usec":528492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826815,"noise_level":-20.408575,"freq_skew":3.757998,"avlc":{"src":{"addr":"4D2145","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117203,"usec":282434},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761196,"noise_level":-20.175030,"freq_skew":4.760684,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[34,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117204,"usec":41285},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950915,"noise_level":-20.698853,"freq_skew":3.855234,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":97,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117204,"usec":42914},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074108,"noise_level":-20.689442,"freq_skew":4.548461,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54798,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[166,123,242,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117204,"usec":59111},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845467,"noise_level":-20.716810,"freq_skew":4.728430,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54812,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[193,29]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":6,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117207,"usec":899597},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244520,"noise_level":-19.544918,"freq_skew":4.532409,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117213,"usec":232179},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.068050,"noise_level":-19.462923,"freq_skew":1.869737,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35482,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117219,"usec":357345},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973433,"noise_level":-19.661037,"freq_skew":5.620864,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48779,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[60,157]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117220,"usec":111341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.549522,"noise_level":-20.563772,"freq_skew":1.587997,"avlc":{"src":{"addr":"3C55C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48849,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,4,245,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117221,"usec":642777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.307310,"noise_level":-20.191841,"freq_skew":4.442907,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117223,"usec":929837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546785,"noise_level":-19.787720,"freq_skew":1.071099,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117224,"usec":687492},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.819448,"noise_level":-20.018349,"freq_skew":4.930631,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WAN","mode":"2","label":"17","blk_id":"9","ack":"!","flight":"W67437","msg_num":"M43","msg_num_seq":"A","msg_text":"120700,18819,1336, 13120,N 51.155,E 8.102,15JUL26, 1056, 9,- 18"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117226,"usec":247197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943408,"noise_level":-20.724457,"freq_skew":4.947186,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117227,"usec":14302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340506,"noise_level":-20.509970,"freq_skew":4.139543,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117227,"usec":763982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101328,"noise_level":-20.458546,"freq_skew":4.736805,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117229,"usec":268101},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248877,"noise_level":-20.954466,"freq_skew":1.766028,"avlc":{"src":{"addr":"4006EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFT","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LS0003","msg_num":"M18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117230,"usec":38540},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654722,"noise_level":-20.965927,"freq_skew":4.964843,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":440,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117230,"usec":44830},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.116361,"noise_level":-21.155487,"freq_skew":5.070714,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52825,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[13,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117230,"usec":786164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937716,"noise_level":-21.027451,"freq_skew":8.551170,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117230,"usec":794964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.166791,"noise_level":-21.823109,"freq_skew":4.829956,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117231,"usec":545008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338657,"noise_level":-21.653345,"freq_skew":4.496011,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117235,"usec":388973},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924633,"noise_level":-20.396463,"freq_skew":4.460105,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":372,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117235,"usec":389557},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769377,"noise_level":-21.233772,"freq_skew":4.475107,"avlc":{"src":{"addr":"40836B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117239,"usec":999953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.989574,"noise_level":-20.310867,"freq_skew":4.946320,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117243,"usec":28869},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461061,"noise_level":-19.839993,"freq_skew":8.429255,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":61,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117243,"usec":782357},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.103308,"noise_level":-19.679462,"freq_skew":3.955589,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LDSP"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":10.400001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117243,"usec":782357},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.103308,"noise_level":-19.679462,"freq_skew":3.955589,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC59GM","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117243,"usec":782357},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":2,"sig_level":-5.103308,"noise_level":-19.679462,"freq_skew":3.955589,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006276","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,190,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117244,"usec":551557},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.992841,"noise_level":-20.504091,"freq_skew":3.858407,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117246,"usec":114773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.533412,"noise_level":-20.255875,"freq_skew":3.454165,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117249,"usec":142692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.540626,"noise_level":-21.019810,"freq_skew":3.923556,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117251,"usec":416863},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621880,"noise_level":-21.554956,"freq_skew":8.374143,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"GS0000","msg_num":"M12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117252,"usec":968921},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250424,"noise_level":-22.276278,"freq_skew":7.831290,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117253,"usec":736363},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.227336,"noise_level":-22.064402,"freq_skew":3.731074,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":8.000000},"alt":5000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117253,"usec":755283},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704384,"noise_level":-22.242887,"freq_skew":8.566528,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[110,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117255,"usec":279111},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.890269,"noise_level":-22.615129,"freq_skew":4.910300,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"VIDP"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":8.600000},"alt":2000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117256,"usec":16351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.003617,"noise_level":-22.486965,"freq_skew":3.775007,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117256,"usec":771285},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.278105,"noise_level":-23.888292,"freq_skew":4.694717,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117256,"usec":784338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784560,"noise_level":-23.713388,"freq_skew":7.774423,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117257,"usec":538498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.172165,"noise_level":-23.528889,"freq_skew":4.853009,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117257,"usec":548963},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619351,"noise_level":-24.514015,"freq_skew":8.241714,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"GS0000","msg_num":"M13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117258,"usec":298369},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553344,"noise_level":-26.204302,"freq_skew":5.683216,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OYNEW","mode":"2","label":"42","blk_id":"3","ack":"!","flight":"ZD0500","msg_num":"M29","msg_num_seq":"A","msg_text":"07yT7.;)Emk;0;]..kmD0)m0.) Xn})]Xy$)]Xy$)]X{{)]XX$);"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117259,"usec":850895},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043087,"noise_level":-26.211035,"freq_skew":7.655773,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117260,"usec":614156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919190,"noise_level":-25.778080,"freq_skew":5.731678,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117260,"usec":628286},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058947,"noise_level":-25.544729,"freq_skew":4.002345,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117261,"usec":370721},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.528624,"noise_level":-25.381809,"freq_skew":3.910210,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117261,"usec":377662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507909,"noise_level":-25.285501,"freq_skew":1.763741,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117262,"usec":890539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623860,"noise_level":-25.241653,"freq_skew":-0.018810,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117262,"usec":894432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524208,"noise_level":-25.317177,"freq_skew":4.804811,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117263,"usec":667897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561907,"noise_level":-25.424709,"freq_skew":3.706358,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117265,"usec":968381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819246,"noise_level":-24.444111,"freq_skew":4.706444,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117268,"usec":248217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723357,"noise_level":-23.982292,"freq_skew":2.734529,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117269,"usec":3130},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692020,"noise_level":-24.174503,"freq_skew":3.967249,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117270,"usec":527135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173209,"noise_level":-23.408670,"freq_skew":3.754745,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117271,"usec":300139},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017481,"noise_level":-23.559334,"freq_skew":3.459768,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117273,"usec":609050},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817818,"noise_level":-23.552187,"freq_skew":5.558178,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OYNEW","mode":"2","label":"_d","blk_id":"6","ack":"G","flight":"ZD0500","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117275,"usec":117899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127297,"noise_level":-24.034843,"freq_skew":5.645236,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117275,"usec":879565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807244,"noise_level":-24.886753,"freq_skew":3.451025,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117275,"usec":883618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748113,"noise_level":-25.011778,"freq_skew":5.699078,"avlc":{"src":{"addr":"458D0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117278,"usec":169724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912346,"noise_level":-23.854734,"freq_skew":3.497639,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117279,"usec":724914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966459,"noise_level":-23.874941,"freq_skew":4.104823,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117279,"usec":739782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846408,"noise_level":-23.687016,"freq_skew":3.514721,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH04TT","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117281,"usec":241349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471740,"noise_level":-23.973801,"freq_skew":3.211396,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117282,"usec":761831},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.035561,"noise_level":-23.454370,"freq_skew":5.736653,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127150","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,104,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117284,"usec":272687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991842,"noise_level":-24.147003,"freq_skew":5.838379,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117285,"usec":844638},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.022148,"noise_level":-24.011934,"freq_skew":3.365020,"avlc":{"src":{"addr":"3C6569","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117288,"usec":880070},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814881,"noise_level":-23.171976,"freq_skew":3.796943,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117290,"usec":404568},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.316510,"noise_level":-22.570671,"freq_skew":4.268706,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":28,"dst_ref":60310,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[187,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117291,"usec":171637},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506704,"noise_level":-22.474720,"freq_skew":5.411574,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGS","mode":"2","label":"_d","blk_id":"1","ack":"W","flight":"W60569","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117291,"usec":915165},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.369933,"noise_level":-22.258007,"freq_skew":4.921238,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117294,"usec":240522},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.568421,"noise_level":-23.002605,"freq_skew":4.353106,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCB","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"SK2768","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117294,"usec":985542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114302,"noise_level":-23.105247,"freq_skew":4.423109,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117296,"usec":499765},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419543,"noise_level":-22.401800,"freq_skew":4.248660,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60313,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[116,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":8,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117296,"usec":500900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927511,"noise_level":-22.367512,"freq_skew":4.232581,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117297,"usec":264349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.171351,"noise_level":-23.193180,"freq_skew":5.351867,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117298,"usec":32424},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588238,"noise_level":-23.154934,"freq_skew":4.410364,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[17,26]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117298,"usec":841222},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080910,"noise_level":-22.740322,"freq_skew":4.758723,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46589,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[77,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117299,"usec":597214},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496833,"noise_level":-22.528582,"freq_skew":0.156123,"avlc":{"src":{"addr":"896198","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EEY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EK058Q","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117301,"usec":113148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633116,"noise_level":-23.355158,"freq_skew":4.421880,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCB","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"SK2768","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117301,"usec":119478},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180936,"noise_level":-23.278805,"freq_skew":4.499789,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSN","mode":"2","label":"_d","blk_id":"4","ack":"T","flight":"EC59GM","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117303,"usec":408443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524899,"noise_level":-22.354248,"freq_skew":-0.083607,"avlc":{"src":{"addr":"896198","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117304,"usec":160675},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.397580,"noise_level":-22.162741,"freq_skew":1.813073,"avlc":{"src":{"addr":"3C0CA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117307,"usec":225368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390522,"noise_level":-21.233751,"freq_skew":4.896323,"avlc":{"src":{"addr":"471F9E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117309,"usec":511503},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489099,"noise_level":-20.559769,"freq_skew":3.512443,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"LH08PP","msg_num":"M83","msg_num_seq":"A","msg_text":"/LMML.TI2/040LMMLA9D93"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117309,"usec":516402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.553536,"noise_level":-20.522793,"freq_skew":3.832710,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117311,"usec":29442},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913311,"noise_level":-21.875507,"freq_skew":4.484739,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46589,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[73,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117313,"usec":365384},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018787,"noise_level":-22.574001,"freq_skew":8.288632,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117320,"usec":998209},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575194,"noise_level":-21.686737,"freq_skew":1.862197,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH003W","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117321,"usec":746233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629703,"noise_level":-22.325790,"freq_skew":4.981571,"avlc":{"src":{"addr":"4D2422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117322,"usec":499031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140500,"noise_level":-22.951603,"freq_skew":1.034052,"avlc":{"src":{"addr":"511170","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117324,"usec":786629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.024749,"noise_level":-22.799973,"freq_skew":4.850567,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117324,"usec":788559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724741,"noise_level":-22.776028,"freq_skew":2.410446,"avlc":{"src":{"addr":"3C6427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117325,"usec":530574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852343,"noise_level":-22.669075,"freq_skew":5.779337,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117325,"usec":554215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367334,"noise_level":-22.889776,"freq_skew":3.375564,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117327,"usec":91160},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748404,"noise_level":-22.859171,"freq_skew":5.670633,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48779,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[60,157]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117327,"usec":852756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170355,"noise_level":-22.890327,"freq_skew":4.156930,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117327,"usec":857092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617811,"noise_level":-22.805931,"freq_skew":3.807630,"avlc":{"src":{"addr":"71001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117329,"usec":385122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774642,"noise_level":-22.203411,"freq_skew":3.598606,"avlc":{"src":{"addr":"71001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117330,"usec":154562},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026090,"noise_level":-22.658966,"freq_skew":5.602717,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117331,"usec":654870},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279323,"noise_level":-22.829079,"freq_skew":4.245544,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117332,"usec":413344},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.151239,"noise_level":-23.546127,"freq_skew":5.638816,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48779,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[144,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":8,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117332,"usec":428787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718949,"noise_level":-23.377916,"freq_skew":4.490485,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117333,"usec":221421},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454399,"noise_level":-23.499596,"freq_skew":0.613733,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH04LM","msg_num":"221","msg_num_seq":"B","sublabel":"T2","msg_text":"RT3#b@q3T?+VjYcH5bq$-m\""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117333,"usec":222687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865830,"noise_level":-23.486610,"freq_skew":5.655334,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117334,"usec":726223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559987,"noise_level":-22.982473,"freq_skew":0.593192,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117334,"usec":748022},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848046,"noise_level":-23.412149,"freq_skew":1.885082,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWV","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH06FM","msg_num":"M18","msg_num_seq":"A","msg_text":"00099234229OCYQ,(S+SIWWZ76--X2*X4M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117336,"usec":259733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.272210,"noise_level":-23.868774,"freq_skew":5.897478,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117337,"usec":8269},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740922,"noise_level":-23.654482,"freq_skew":5.943205,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7,"dst_ref":43529,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[87,249]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117339,"usec":284324},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282879,"noise_level":-24.138588,"freq_skew":1.773222,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117340,"usec":85185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475527,"noise_level":-23.795748,"freq_skew":1.776131,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117340,"usec":106265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769349,"noise_level":-23.504850,"freq_skew":5.602398,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117340,"usec":851410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707823,"noise_level":-24.008102,"freq_skew":5.844302,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117342,"usec":367605},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339580,"noise_level":-23.386324,"freq_skew":4.488679,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[118,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117345,"usec":400584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316866,"noise_level":-23.770439,"freq_skew":4.704932,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117346,"usec":972358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728596,"noise_level":-23.177959,"freq_skew":4.794219,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117346,"usec":988789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.147928,"noise_level":-23.123396,"freq_skew":4.133046,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117347,"usec":738116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319300,"noise_level":-22.926525,"freq_skew":4.324785,"avlc":{"src":{"addr":"3C4A13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117350,"usec":769160},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978355,"noise_level":-21.787926,"freq_skew":5.543571,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48779,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[114,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117351,"usec":526848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625086,"noise_level":-22.165735,"freq_skew":2.289240,"avlc":{"src":{"addr":"3C6427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117353,"usec":839382},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530350,"noise_level":-21.327047,"freq_skew":8.482183,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[240,227]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117364,"usec":517082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458761,"noise_level":-19.115192,"freq_skew":4.562102,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117365,"usec":283486},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862751,"noise_level":-20.984024,"freq_skew":4.519854,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":28,"dst_ref":43269,"variable_part_params":[{"name":"checksum","value":[39,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117368,"usec":378946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588026,"noise_level":-21.154102,"freq_skew":4.406179,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117369,"usec":867779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876252,"noise_level":-21.479101,"freq_skew":4.458497,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117369,"usec":880758},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661397,"noise_level":-21.295679,"freq_skew":8.261532,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[106,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117373,"usec":708295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079141,"noise_level":-21.088051,"freq_skew":8.534736,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117375,"usec":994886},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071071,"noise_level":-21.682846,"freq_skew":9.426208,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117380,"usec":605685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686120,"noise_level":-21.227922,"freq_skew":4.482872,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117382,"usec":866756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638577,"noise_level":-20.954227,"freq_skew":4.221636,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117383,"usec":642028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533743,"noise_level":-20.985092,"freq_skew":5.725881,"avlc":{"src":{"addr":"4CAE68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117385,"usec":139800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273924,"noise_level":-21.046516,"freq_skew":2.010643,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117386,"usec":704194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.968669,"noise_level":-20.861145,"freq_skew":4.425382,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117387,"usec":474917},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773675,"noise_level":-20.430782,"freq_skew":3.587039,"avlc":{"src":{"addr":"71001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117395,"usec":854417},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.703396,"noise_level":-18.901871,"freq_skew":1.950094,"avlc":{"src":{"addr":"407FCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEB","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BA0734","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117396,"usec":635555},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155969,"noise_level":-18.749775,"freq_skew":1.918715,"avlc":{"src":{"addr":"407FCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117398,"usec":915238},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667959,"noise_level":-23.787540,"freq_skew":0.447071,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":50,"dst_ref":43532,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[97,201,245,95]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117401,"usec":228889},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753789,"noise_level":-24.689342,"freq_skew":0.523835,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43532,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[4,57,132,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117404,"usec":261292},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620714,"noise_level":-24.452906,"freq_skew":3.910619,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":244,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,108,1,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117404,"usec":278608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722747,"noise_level":-24.462635,"freq_skew":2.021769,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117405,"usec":21783},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800746,"noise_level":-24.318640,"freq_skew":0.432344,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117405,"usec":23326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185366,"noise_level":-24.852730,"freq_skew":1.708860,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"_d","blk_id":"6","ack":"W","flight":"LH003W","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117405,"usec":31503},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725879,"noise_level":-25.082111,"freq_skew":0.611583,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":95,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117405,"usec":783823},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289709,"noise_level":-26.754675,"freq_skew":5.666699,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48872,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[193,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117405,"usec":787946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815983,"noise_level":-27.665459,"freq_skew":8.351946,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117407,"usec":339339},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583787,"noise_level":-27.576096,"freq_skew":2.735881,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"RJ0115","msg_num":"J25","msg_num_seq":"A","msg_text":"/EGCC.TI2/000EGCCA97BD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117408,"usec":113900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621348,"noise_level":-27.001652,"freq_skew":0.117887,"avlc":{"src":{"addr":"3C6634","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117409,"usec":635049},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336289,"noise_level":-26.766434,"freq_skew":4.267341,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60313,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[44,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117410,"usec":370651},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.106881,"noise_level":-26.728659,"freq_skew":2.682770,"avlc":{"src":{"addr":"3C6427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117410,"usec":386582},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623657,"noise_level":-26.523771,"freq_skew":2.496813,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"RJ0115","msg_num":"J25","msg_num_seq":"A","msg_text":"/EGCC.TI2/000EGCCA97BD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117412,"usec":645636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279579,"noise_level":-26.235487,"freq_skew":4.190398,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117414,"usec":216057},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613475,"noise_level":-25.180393,"freq_skew":2.650956,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"RJ0115","msg_num":"J25","msg_num_seq":"A","msg_text":"/EGCC.TI2/000EGCCA97BD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117415,"usec":731930},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795492,"noise_level":-24.926483,"freq_skew":2.358514,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117417,"usec":255460},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752931,"noise_level":-24.966381,"freq_skew":5.653569,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":222,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117417,"usec":264672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690939,"noise_level":-25.877218,"freq_skew":4.071430,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117418,"usec":17867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.399961,"noise_level":-25.558474,"freq_skew":4.184428,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117419,"usec":529878},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435061,"noise_level":-24.771618,"freq_skew":0.611453,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117420,"usec":284636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.143344,"noise_level":-24.461277,"freq_skew":4.684990,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117421,"usec":78194},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468451,"noise_level":-24.175678,"freq_skew":5.738353,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117428,"usec":729121},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367199,"noise_level":-23.106451,"freq_skew":2.679826,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JY-RAB","mode":"2","label":"_d","blk_id":"0","ack":"F","flight":"RJ0115","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117429,"usec":473076},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744020,"noise_level":-22.897825,"freq_skew":1.990409,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117430,"usec":999853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208600,"noise_level":-22.277821,"freq_skew":3.263866,"avlc":{"src":{"addr":"408227","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117431,"usec":7204},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.025311,"noise_level":-22.187962,"freq_skew":3.553422,"avlc":{"src":{"addr":"408227","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEH","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"BA0644","msg_num":"S10","msg_num_seq":"A","msg_text":"0EV121027V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":12,"min":10,"sec":27}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117433,"usec":288726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494880,"noise_level":-22.596266,"freq_skew":1.905317,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117434,"usec":72968},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.127843,"noise_level":-23.681835,"freq_skew":2.684638,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"35044042","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,82,74,65,0,116,72,34,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117434,"usec":85199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643824,"noise_level":-23.976164,"freq_skew":1.889455,"avlc":{"src":{"addr":"4D0118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117434,"usec":849238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647876,"noise_level":-23.639553,"freq_skew":2.630622,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117437,"usec":119176},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830469,"noise_level":-24.581205,"freq_skew":1.788380,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIHY","mode":"2","label":"BA","blk_id":"8","ack":"!","flight":"LH003W","msg_num":"J01","msg_num_seq":"A","msg_text":"/SOUCAYA.CC1.D-AIHY6040C2A3491018CC","arinc622":{"msg_type":"fans1a_cpdlc_connect_confirm","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".D-AIHY","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":0,"msg_ref":32,"timestamp":{"hour":12,"min":10,"sec":35}},"atc_downlink_msg_element_id":{"choice_label":"[versionnumber]","choice":"dM73VersionNumber","data":{"ver_num":1}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117437,"usec":877773},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881379,"noise_level":-25.032015,"freq_skew":7.688552,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-VXZ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"ZD0000","msg_num":"M40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117437,"usec":885542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176751,"noise_level":-24.924164,"freq_skew":3.627942,"avlc":{"src":{"addr":"408227","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117438,"usec":647864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501576,"noise_level":-24.447502,"freq_skew":-0.087282,"avlc":{"src":{"addr":"896198","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117439,"usec":398215},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.461572,"noise_level":-24.218637,"freq_skew":7.752963,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117440,"usec":154693},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496083,"noise_level":-23.899860,"freq_skew":5.699993,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48872,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[114,14]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117441,"usec":713053},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298154,"noise_level":-23.206987,"freq_skew":4.374821,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[30,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117444,"usec":12734},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.623364,"noise_level":-22.395096,"freq_skew":4.654583,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117445,"usec":507866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810768,"noise_level":-22.014465,"freq_skew":1.229856,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117447,"usec":52393},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.493545,"noise_level":-21.454132,"freq_skew":4.606181,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":76,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":10,"dst_ref":60318,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[150,214]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117447,"usec":838090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.807263,"noise_level":-21.291363,"freq_skew":1.957391,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117448,"usec":616073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025995,"noise_level":-20.906940,"freq_skew":4.249497,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117450,"usec":117154},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160949,"noise_level":-20.538815,"freq_skew":3.614707,"avlc":{"src":{"addr":"71001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117451,"usec":623835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.710156,"noise_level":-21.209070,"freq_skew":4.557138,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117453,"usec":920203},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150390,"noise_level":-20.408524,"freq_skew":4.011127,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6535,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117455,"usec":485905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.547309,"noise_level":-20.194717,"freq_skew":0.506441,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117455,"usec":488325},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648067,"noise_level":-20.176968,"freq_skew":4.241036,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117457,"usec":756803},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026016,"noise_level":-19.544561,"freq_skew":4.103208,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6535,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117460,"usec":16009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.470739,"noise_level":-20.325413,"freq_skew":4.358173,"avlc":{"src":{"addr":"4D222C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117461,"usec":584085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726727,"noise_level":-20.959881,"freq_skew":8.315658,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117464,"usec":631508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785896,"noise_level":-22.025623,"freq_skew":2.309207,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117466,"usec":142516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631349,"noise_level":-21.740185,"freq_skew":8.216223,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117471,"usec":501485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.646416,"noise_level":-21.516268,"freq_skew":1.791464,"avlc":{"src":{"addr":"407FCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117473,"usec":772229},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.566805,"noise_level":-23.180382,"freq_skew":4.274603,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117476,"usec":851416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765858,"noise_level":-22.010189,"freq_skew":8.326625,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117478,"usec":372976},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.344026,"noise_level":-22.987995,"freq_skew":1.835747,"avlc":{"src":{"addr":"4D0118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48863,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[109,92,149,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117484,"usec":501022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144831,"noise_level":-20.696640,"freq_skew":5.031312,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117489,"usec":864429},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.241748,"noise_level":-20.207539,"freq_skew":1.162124,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54811,"credit":1,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[107,254,45,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117491,"usec":385851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574469,"noise_level":-19.765291,"freq_skew":5.029332,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117492,"usec":892151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816178,"noise_level":-19.617653,"freq_skew":6.108521,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117495,"usec":160940},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186988,"noise_level":-20.540775,"freq_skew":4.449901,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6902,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46589,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[116,223]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117498,"usec":256920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606680,"noise_level":-21.143250,"freq_skew":3.204983,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117500,"usec":533550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195087,"noise_level":-20.430237,"freq_skew":4.496836,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117511,"usec":226028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.578660,"noise_level":-20.068481,"freq_skew":4.664899,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117511,"usec":233950},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286232,"noise_level":-19.938143,"freq_skew":4.184633,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117514,"usec":274055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066155,"noise_level":-19.702993,"freq_skew":5.115264,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117517,"usec":361424},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121121,"noise_level":-18.905245,"freq_skew":5.502413,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117523,"usec":480196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.392127,"noise_level":-19.839899,"freq_skew":4.570504,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117524,"usec":238354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598696,"noise_level":-19.693834,"freq_skew":2.709335,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117524,"usec":244378},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586030,"noise_level":-20.805246,"freq_skew":4.636823,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117526,"usec":498610},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556380,"noise_level":-20.484734,"freq_skew":2.781651,"avlc":{"src":{"addr":"3C5824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"hdlc_options","value":[32,132,128]},{"name":"procedure_classes","value":[0,1]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[36]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117527,"usec":275753},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910599,"noise_level":-20.597513,"freq_skew":3.943000,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117530,"usec":356027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462621,"noise_level":-20.315033,"freq_skew":1.879450,"avlc":{"src":{"addr":"4D0118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48863,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[234,242,53,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117531,"usec":112232},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639255,"noise_level":-20.552139,"freq_skew":4.264744,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35500,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[126,123]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117531,"usec":851868},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.816730,"noise_level":-20.359905,"freq_skew":3.275826,"avlc":{"src":{"addr":"408227","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":282,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117532,"usec":636627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574612,"noise_level":-20.302166,"freq_skew":1.800538,"avlc":{"src":{"addr":"4D0118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117533,"usec":382262},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172182,"noise_level":-20.688934,"freq_skew":3.974106,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC59GM","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117534,"usec":159192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024500,"noise_level":-20.284752,"freq_skew":4.049288,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117535,"usec":705155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884706,"noise_level":-19.924337,"freq_skew":8.092508,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117537,"usec":988383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141367,"noise_level":-20.897036,"freq_skew":4.106193,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117537,"usec":990344},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858111,"noise_level":-20.877796,"freq_skew":4.749349,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[19,22]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117538,"usec":972},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109966,"noise_level":-21.497610,"freq_skew":4.208374,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCB","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"SK2768","msg_num":"F19","msg_num_seq":"A","sublabel":"M1","msg_text":"REQPWI/WQ390.340.300:KONIN.EXITI.BKD.LUWIL.BERIM/DQ390/WREKCH.ESMS/TS121201,15072669F9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117540,"usec":251112},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550291,"noise_level":-21.828148,"freq_skew":5.808421,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48872,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[114,14]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117540,"usec":260089},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398861,"noise_level":-22.236040,"freq_skew":2.886745,"avlc":{"src":{"addr":"3C5824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117540,"usec":276970},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538667,"noise_level":-22.058094,"freq_skew":8.101833,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[113,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117543,"usec":334295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888338,"noise_level":-22.086689,"freq_skew":5.771848,"avlc":{"src":{"addr":"45B8B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117543,"usec":342613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251260,"noise_level":-23.118793,"freq_skew":4.073094,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117544,"usec":106372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484529,"noise_level":-22.777321,"freq_skew":3.439259,"avlc":{"src":{"addr":"408227","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117544,"usec":113982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033715,"noise_level":-22.767487,"freq_skew":4.624404,"avlc":{"src":{"addr":"4D215C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117549,"usec":446427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534653,"noise_level":-22.126644,"freq_skew":4.923237,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117550,"usec":974274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185229,"noise_level":-22.529015,"freq_skew":5.025362,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117552,"usec":510437},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.882006,"noise_level":-21.998367,"freq_skew":3.889146,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117562,"usec":460109},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345835,"noise_level":-21.069523,"freq_skew":7.984567,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[102,18]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117563,"usec":975414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115090,"noise_level":-22.979593,"freq_skew":7.830150,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117564,"usec":738662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.370034,"noise_level":-23.318226,"freq_skew":1.905472,"avlc":{"src":{"addr":"3C6519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117565,"usec":504687},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006101,"noise_level":-23.619757,"freq_skew":4.737796,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[170,18]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117566,"usec":232941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863957,"noise_level":-23.580318,"freq_skew":4.292142,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117567,"usec":2460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380045,"noise_level":-23.502159,"freq_skew":4.523934,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117570,"usec":69194},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453696,"noise_level":-23.585672,"freq_skew":4.124860,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746747","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117571,"usec":592016},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.214212,"noise_level":-23.436321,"freq_skew":4.028354,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60273,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117571,"usec":601770},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219127,"noise_level":-23.320978,"freq_skew":4.144279,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117572,"usec":362990},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873551,"noise_level":-22.996119,"freq_skew":3.630433,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117573,"usec":119820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.615139,"noise_level":-22.766174,"freq_skew":0.703917,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117575,"usec":385939},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.873004,"noise_level":-21.902836,"freq_skew":4.315887,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":11.300000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117575,"usec":388944},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.488740,"noise_level":-22.270653,"freq_skew":3.825247,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117575,"usec":400609},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.833944,"noise_level":-22.158567,"freq_skew":4.616605,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":79,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60318,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[214,198]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117579,"usec":240142},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484272,"noise_level":-23.214016,"freq_skew":7.940844,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":75,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43429,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[34,254]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":12,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117580,"usec":740537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.866141,"noise_level":-25.178919,"freq_skew":4.485761,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117582,"usec":308536},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498298,"noise_level":-24.629061,"freq_skew":8.165357,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":77,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[87,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117582,"usec":323012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510186,"noise_level":-25.237465,"freq_skew":4.980202,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117586,"usec":114270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740479,"noise_level":-24.156876,"freq_skew":4.338859,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117586,"usec":884395},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649845,"noise_level":-23.706203,"freq_skew":4.456852,"avlc":{"src":{"addr":"48C2B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6903,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46589,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[116,223]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117587,"usec":621439},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.935930,"noise_level":-23.712353,"freq_skew":4.218822,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35500,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[43,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":13,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117587,"usec":624110},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670232,"noise_level":-23.672489,"freq_skew":2.625670,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117588,"usec":391747},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890388,"noise_level":-23.363964,"freq_skew":4.109773,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117589,"usec":955353},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026607,"noise_level":-22.818501,"freq_skew":3.927498,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117590,"usec":705422},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834950,"noise_level":-22.640112,"freq_skew":4.533847,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,81,84,82,0,6,161,12,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117590,"usec":730682},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612144,"noise_level":-22.373505,"freq_skew":2.017640,"avlc":{"src":{"addr":"4D0118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117590,"usec":731837},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174845,"noise_level":-22.373505,"freq_skew":4.001421,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35500,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[29,122]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117591,"usec":468005},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232501,"noise_level":-22.114834,"freq_skew":4.967158,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,76,173,148,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117592,"usec":224646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.032362,"noise_level":-22.059610,"freq_skew":5.794798,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117592,"usec":234000},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.214419,"noise_level":-21.961077,"freq_skew":4.117807,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"FRMR","pf":true,"unknown_proto":{"data":[225,18,8]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117594,"usec":493681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987292,"noise_level":-21.220634,"freq_skew":1.240432,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"_d","blk_id":"6","ack":"P","flight":"LH035N","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117599,"usec":106946},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074451,"noise_level":-20.054642,"freq_skew":5.095470,"avlc":{"src":{"addr":"4D247B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDLW"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":8.100000},"alt":9000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117599,"usec":112628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236585,"noise_level":-20.019749,"freq_skew":3.628228,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117599,"usec":118324},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391970,"noise_level":-19.984993,"freq_skew":4.983101,"avlc":{"src":{"addr":"4D247B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WBX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"W606LZ","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117599,"usec":869033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689743,"noise_level":-20.393494,"freq_skew":0.323049,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117602,"usec":157283},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.046919,"noise_level":-19.603476,"freq_skew":4.779555,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117602,"usec":901802},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.382907,"noise_level":-19.520885,"freq_skew":5.000918,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":351,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,83,65,83,0,76,173,148],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117603,"usec":707957},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173668,"noise_level":-19.443125,"freq_skew":3.912992,"avlc":{"src":{"addr":"3C6654","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":9.100000},"alt":33000}},{"name":"alternate_ground_stations","value":["10930A","109CEA","109F2A","10931A","109D4A","10902A","10934A","10956A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117607,"usec":487826},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975656,"noise_level":-19.042318,"freq_skew":1.494659,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"_d","blk_id":"7","ack":"Q","flight":"LH035N","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117610,"usec":577482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757884,"noise_level":-18.290142,"freq_skew":4.400891,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117612,"usec":90044},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.251102,"noise_level":-18.315237,"freq_skew":5.084131,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,148,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117615,"usec":120722},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.605140,"noise_level":-17.937342,"freq_skew":4.114094,"avlc":{"src":{"addr":"3C6654","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117620,"usec":507786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715220,"noise_level":-17.718891,"freq_skew":4.645584,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117621,"usec":251910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.201283,"noise_level":-17.672256,"freq_skew":5.164549,"avlc":{"src":{"addr":"4BC847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43526,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[19,38,111,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117622,"usec":774554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325986,"noise_level":-17.647751,"freq_skew":4.028802,"avlc":{"src":{"addr":"440CBE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117623,"usec":564361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673884,"noise_level":-17.614687,"freq_skew":0.396616,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117623,"usec":568996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214872,"noise_level":-18.358759,"freq_skew":5.497184,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117624,"usec":339838},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338240,"noise_level":-18.131659,"freq_skew":5.245600,"avlc":{"src":{"addr":"4BC847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43526,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[19,38,111,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117625,"usec":85627},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819394,"noise_level":-18.271868,"freq_skew":0.303798,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":51,"dst_ref":43560,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[69,24,142,12]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117625,"usec":86319},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712750,"noise_level":-18.602320,"freq_skew":3.611389,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":9.400001},"alt":14000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117625,"usec":845472},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298985,"noise_level":-19.326799,"freq_skew":2.674193,"avlc":{"src":{"addr":"8852E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117625,"usec":845741},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704385,"noise_level":-19.318766,"freq_skew":0.220888,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43560,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,67,196,40]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":13,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117626,"usec":618095},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655426,"noise_level":-19.151733,"freq_skew":3.597874,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH0895","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117628,"usec":127698},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.086994,"noise_level":-18.999454,"freq_skew":5.143909,"avlc":{"src":{"addr":"4BC847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43526,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[19,38,111,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117628,"usec":878221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772920,"noise_level":-19.031071,"freq_skew":3.812089,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117631,"usec":975306},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022477,"noise_level":-20.394554,"freq_skew":5.086721,"avlc":{"src":{"addr":"4BC847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43526,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[19,38,111,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117631,"usec":975679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789928,"noise_level":-20.394554,"freq_skew":2.110393,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117633,"usec":488019},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320100,"noise_level":-21.280672,"freq_skew":4.947120,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117634,"usec":999847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746496,"noise_level":-21.798794,"freq_skew":2.092807,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117635,"usec":3249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.685959,"noise_level":-21.766800,"freq_skew":3.694540,"avlc":{"src":{"addr":"440C33","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117635,"usec":780424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.324128,"noise_level":-21.330822,"freq_skew":3.609493,"avlc":{"src":{"addr":"440C33","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117635,"usec":784202},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918157,"noise_level":-21.290417,"freq_skew":4.444451,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54812,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[19,22]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117637,"usec":327125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965406,"noise_level":-21.044643,"freq_skew":4.610013,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117637,"usec":340974},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527130,"noise_level":-20.956924,"freq_skew":4.517063,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.300000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117638,"usec":79897},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669098,"noise_level":-21.014326,"freq_skew":5.242610,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WZW","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"W60614","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117638,"usec":81589},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584480,"noise_level":-21.004566,"freq_skew":4.406914,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SCB","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"SK2768","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117638,"usec":846796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.793879,"noise_level":-20.904613,"freq_skew":3.817396,"avlc":{"src":{"addr":"440C33","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117638,"usec":854703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612493,"noise_level":-20.837399,"freq_skew":5.095945,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117639,"usec":603824},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771866,"noise_level":-21.605623,"freq_skew":4.422278,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":254,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":43563,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,1]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[15,39,249,56]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117640,"usec":351251},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841022,"noise_level":-22.417465,"freq_skew":4.268461,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":254,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":56,"dst_ref":43424,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[30,17,58,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117641,"usec":128021},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736969,"noise_level":-23.345512,"freq_skew":4.452240,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117641,"usec":129182},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.270926,"noise_level":-23.320017,"freq_skew":4.066931,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":424,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117641,"usec":902875},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190537,"noise_level":-24.125099,"freq_skew":4.004999,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":31,"pkt_type_name":"Reset Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117642,"usec":646485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.493946,"noise_level":-23.972815,"freq_skew":4.235957,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117645,"usec":714924},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.388412,"noise_level":-22.710526,"freq_skew":4.378198,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117645,"usec":727366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337491,"noise_level":-22.499502,"freq_skew":3.865286,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117648,"usec":768385},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.433656,"noise_level":-22.455027,"freq_skew":2.207457,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":20,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":2,"ack":0,"credit_offered":10,"credit_avail":0}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117649,"usec":526065},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941679,"noise_level":-22.763176,"freq_skew":4.191498,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":254,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43563,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[190,12,162,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117650,"usec":323325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682589,"noise_level":-22.714386,"freq_skew":4.441291,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117651,"usec":80270},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726222,"noise_level":-22.434023,"freq_skew":4.292347,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117651,"usec":840011},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.307888,"noise_level":-22.162422,"freq_skew":4.398946,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117652,"usec":597615},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.579085,"noise_level":-21.953276,"freq_skew":2.058802,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117653,"usec":356361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.857279,"noise_level":-21.643450,"freq_skew":2.096944,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117654,"usec":125199},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595051,"noise_level":-21.334164,"freq_skew":4.456782,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":8.900001},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117654,"usec":876782},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.173309,"noise_level":-21.850010,"freq_skew":4.744559,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":7.300000},"alt":24000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117654,"usec":892282},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.328400,"noise_level":-21.690269,"freq_skew":5.690401,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117655,"usec":621786},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.920460,"noise_level":-21.533413,"freq_skew":4.223540,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117656,"usec":394054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015773,"noise_level":-22.343252,"freq_skew":3.899302,"avlc":{"src":{"addr":"4D225D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117657,"usec":945387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.856501,"noise_level":-22.749462,"freq_skew":4.830227,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117658,"usec":705670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903903,"noise_level":-22.467979,"freq_skew":4.537935,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117658,"usec":724168},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.935538,"noise_level":-22.307901,"freq_skew":4.419725,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43304,"variable_part_params":[{"name":"atn_checksum","value":[51,155,253,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117658,"usec":730731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323751,"noise_level":-22.240185,"freq_skew":3.418883,"avlc":{"src":{"addr":"71001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117660,"usec":995270},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104065,"noise_level":-21.528229,"freq_skew":5.423241,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60259,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[31,149,12,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":14,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117660,"usec":999918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209255,"noise_level":-21.497213,"freq_skew":3.895636,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117661,"usec":759082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.435955,"noise_level":-21.298012,"freq_skew":4.292679,"avlc":{"src":{"addr":"4CAD92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117662,"usec":511917},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.619053,"noise_level":-21.049452,"freq_skew":0.653469,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46599,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[58,31]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117663,"usec":278608},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745790,"noise_level":-20.741331,"freq_skew":4.167553,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43304,"variable_part_params":[{"name":"atn_checksum","value":[51,155,253,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117664,"usec":845150},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.585639,"noise_level":-20.236023,"freq_skew":2.580002,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":375,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":9,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117665,"usec":606566},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942328,"noise_level":-20.485069,"freq_skew":0.864908,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":6.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117667,"usec":104547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480351,"noise_level":-20.151709,"freq_skew":4.197007,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117667,"usec":113062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031528,"noise_level":-20.183750,"freq_skew":8.241158,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117667,"usec":118515},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.250096,"noise_level":-21.254822,"freq_skew":1.117805,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117667,"usec":120084},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620639,"noise_level":-21.234772,"freq_skew":4.149559,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43304,"variable_part_params":[{"name":"atn_checksum","value":[51,155,253,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117669,"usec":396220},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.993505,"noise_level":-20.477724,"freq_skew":4.501451,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":7.300000},"alt":24000}},{"name":"alternate_ground_stations","value":["10902A","10943A","10957A","10910A","10956A","10942A","10984A","10934A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117670,"usec":179562},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191016,"noise_level":-20.485062,"freq_skew":0.916297,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54811,"credit":1,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[107,254,45,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117670,"usec":937049},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601280,"noise_level":-20.339334,"freq_skew":4.213774,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43304,"variable_part_params":[{"name":"atn_checksum","value":[51,155,253,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117673,"usec":239902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364633,"noise_level":-21.928417,"freq_skew":4.724253,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117673,"usec":985470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357534,"noise_level":-21.756603,"freq_skew":4.783901,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117673,"usec":991609},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941728,"noise_level":-22.972910,"freq_skew":0.506904,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117673,"usec":995510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894339,"noise_level":-22.948483,"freq_skew":4.569648,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117674,"usec":16047},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336461,"noise_level":-22.916077,"freq_skew":5.103959,"avlc":{"src":{"addr":"4D247B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117674,"usec":761416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651449,"noise_level":-22.652779,"freq_skew":5.386089,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117675,"usec":509258},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180551,"noise_level":-22.818804,"freq_skew":0.646687,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117675,"usec":510869},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421558,"noise_level":-22.806795,"freq_skew":7.933412,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[34,78]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117675,"usec":512664},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954419,"noise_level":-24.082184,"freq_skew":4.446340,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48808,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[8,228]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":14,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117677,"usec":54577},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.669681,"noise_level":-23.834213,"freq_skew":0.731525,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117677,"usec":818886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800978,"noise_level":-23.464041,"freq_skew":4.699373,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117677,"usec":835482},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890330,"noise_level":-23.259390,"freq_skew":4.571736,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[228,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117680,"usec":123689},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638631,"noise_level":-22.268852,"freq_skew":8.033245,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":79,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[241,217]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117680,"usec":852629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105144,"noise_level":-23.543589,"freq_skew":0.925342,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117680,"usec":861939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806285,"noise_level":-23.961412,"freq_skew":4.828476,"avlc":{"src":{"addr":"4D247B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117682,"usec":373137},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.602670,"noise_level":-23.225946,"freq_skew":1.078373,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117683,"usec":931698},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144763,"noise_level":-22.772083,"freq_skew":1.125628,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":103,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117684,"usec":696773},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.672152,"noise_level":-22.227774,"freq_skew":0.631002,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117686,"usec":970990},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.333639,"noise_level":-21.714525,"freq_skew":4.519758,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54812,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[44,176]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":14,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117687,"usec":757066},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.207724,"noise_level":-21.260988,"freq_skew":0.901837,"avlc":{"src":{"addr":"345205","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,86,76,71,0,52,82,5,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117688,"usec":496683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372414,"noise_level":-21.161133,"freq_skew":0.631921,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117691,"usec":570898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.559671,"noise_level":-20.238894,"freq_skew":4.560072,"avlc":{"src":{"addr":"4B3811","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117691,"usec":584408},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697906,"noise_level":-20.568563,"freq_skew":3.840992,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117693,"usec":108106},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758714,"noise_level":-20.550911,"freq_skew":1.587406,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117693,"usec":856553},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.150816,"noise_level":-20.404081,"freq_skew":1.740283,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":5.200000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117693,"usec":858207},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.009117,"noise_level":-20.394985,"freq_skew":1.669503,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48914,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,129,195,126]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":14,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117693,"usec":872416},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885901,"noise_level":-20.286583,"freq_skew":1.737857,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117694,"usec":612483},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014758,"noise_level":-20.206161,"freq_skew":1.957622,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117696,"usec":138113},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724245,"noise_level":-20.200176,"freq_skew":4.286718,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1174,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117696,"usec":146236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654374,"noise_level":-20.120544,"freq_skew":4.456717,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-ALX","mode":"2","label":"_d","blk_id":"7","ack":"L","flight":"QR043F","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117697,"usec":705853},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564794,"noise_level":-20.469959,"freq_skew":1.764042,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117703,"usec":761962},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.686896,"noise_level":-19.680149,"freq_skew":0.514573,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":652,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1208,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[0,16]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117706,"usec":104481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240444,"noise_level":-20.955185,"freq_skew":4.381960,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117706,"usec":853016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374046,"noise_level":-20.920622,"freq_skew":4.328762,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117706,"usec":856673},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.203547,"noise_level":-21.758497,"freq_skew":0.502607,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117709,"usec":136950},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992451,"noise_level":-20.937134,"freq_skew":1.686893,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":5.200000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117712,"usec":213735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.514820,"noise_level":-21.244499,"freq_skew":0.551945,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117712,"usec":956151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356629,"noise_level":-21.134928,"freq_skew":4.400464,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117712,"usec":971864},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573837,"noise_level":-21.008894,"freq_skew":4.363909,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDT","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH089D","msg_num":"M78","msg_num_seq":"A","msg_text":"00065234236)NBQJJSUS4AAJ2V*BX20DO("}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117713,"usec":718627},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.946899,"noise_level":-20.921532,"freq_skew":3.238983,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".91478S","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"MC0000","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117713,"usec":725170},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.089495,"noise_level":-21.730413,"freq_skew":0.794059,"avlc":{"src":{"addr":"406B12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":20,"dst_ref":21198,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[144,33]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117714,"usec":482952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924421,"noise_level":-22.323746,"freq_skew":-0.183166,"avlc":{"src":{"addr":"4D239C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117715,"usec":238184},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101557,"noise_level":-22.845680,"freq_skew":5.114217,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117715,"usec":254621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379391,"noise_level":-22.654938,"freq_skew":3.321211,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117716,"usec":750435},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663686,"noise_level":-22.239649,"freq_skew":3.311168,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH05LY","msg_num":"M43","msg_num_seq":"A","msg_text":"00118209215KOJE-DMEBXX(4X5TPBY+(3O3G,G6NOMBOEE31MJ7YG1:+KKXJ*J++"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117717,"usec":555544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787150,"noise_level":-23.191494,"freq_skew":4.082284,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117717,"usec":568530},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280643,"noise_level":-23.054607,"freq_skew":4.832883,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":359,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117717,"usec":573831},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820609,"noise_level":-23.754148,"freq_skew":4.470901,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117719,"usec":857528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563427,"noise_level":-22.756502,"freq_skew":5.231013,"avlc":{"src":{"addr":"471DBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117721,"usec":366870},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.256787,"noise_level":-23.022873,"freq_skew":5.906906,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60259,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[180,119,74,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117725,"usec":193867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388122,"noise_level":-21.659496,"freq_skew":2.775776,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117725,"usec":956886},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772280,"noise_level":-21.927933,"freq_skew":4.406417,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117726,"usec":722452},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791483,"noise_level":-21.660961,"freq_skew":7.709965,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":980,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46612,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[244,139,131,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117726,"usec":728896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841918,"noise_level":-21.587658,"freq_skew":1.928326,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNO","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"SN02PN","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117729,"usec":638},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877486,"noise_level":-20.886747,"freq_skew":7.735061,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":13.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117729,"usec":638},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.877486,"noise_level":-20.886747,"freq_skew":7.735061,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCC","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"PC1621","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117729,"usec":2763},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806876,"noise_level":-20.867529,"freq_skew":7.381916,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734143","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,99,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117729,"usec":767522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075467,"noise_level":-20.547165,"freq_skew":7.485266,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117733,"usec":587726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680915,"noise_level":-19.535358,"freq_skew":1.678368,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117733,"usec":605370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046158,"noise_level":-19.404612,"freq_skew":5.022248,"avlc":{"src":{"addr":"4D247B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117735,"usec":889798},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997679,"noise_level":-18.945436,"freq_skew":4.855672,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117740,"usec":468094},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934131,"noise_level":-18.146639,"freq_skew":8.061877,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117742,"usec":687},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602605,"noise_level":-20.268259,"freq_skew":5.828376,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46680,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[154,92,151,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117743,"usec":508573},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152097,"noise_level":-20.855015,"freq_skew":5.567860,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117748,"usec":110256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247499,"noise_level":-20.693367,"freq_skew":4.525948,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117750,"usec":400054},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523566,"noise_level":-19.945642,"freq_skew":4.911268,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":11.200000},"alt":26000}},{"name":"alternate_ground_stations","value":["10935A","109ACA","1090BA","109B5A","10910A","10911A","10F69A","10FA7A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117758,"usec":59030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.309261,"noise_level":-18.831961,"freq_skew":3.375546,"avlc":{"src":{"addr":"781B5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117758,"usec":64173},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.870931,"noise_level":-18.794077,"freq_skew":5.041485,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJR","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"EN04UX","msg_num":"M10","msg_num_seq":"A","msg_text":"0E21215552/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":15,"sec":55}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117758,"usec":826825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269217,"noise_level":-19.702427,"freq_skew":4.918267,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117759,"usec":570314},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113023,"noise_level":-19.847092,"freq_skew":1.698700,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117759,"usec":582791},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040900,"noise_level":-19.762165,"freq_skew":4.128088,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43574,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[14,66]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117761,"usec":117498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348021,"noise_level":-20.271587,"freq_skew":4.171500,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117761,"usec":864736},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882793,"noise_level":-21.168230,"freq_skew":4.196788,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43574,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[172,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117761,"usec":880245},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.798765,"noise_level":-21.773617,"freq_skew":4.440722,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6567,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":43574,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[134,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117763,"usec":397446},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.877021,"noise_level":-22.168657,"freq_skew":4.641182,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJR","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"EN04UX","msg_num":"M10","msg_num_seq":"A","msg_text":"0E21215552/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":15,"sec":55}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117767,"usec":230042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336554,"noise_level":-21.854876,"freq_skew":4.958865,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117767,"usec":974677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335618,"noise_level":-22.203117,"freq_skew":2.399124,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117771,"usec":8401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020257,"noise_level":-21.171904,"freq_skew":4.861674,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117771,"usec":25707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.471132,"noise_level":-21.381580,"freq_skew":4.750540,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117772,"usec":586447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061995,"noise_level":-20.934999,"freq_skew":3.985244,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117775,"usec":602863},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815106,"noise_level":-20.149399,"freq_skew":4.284204,"avlc":{"src":{"addr":"780A3A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"VHHH"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":10.200000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117776,"usec":367226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153518,"noise_level":-20.390482,"freq_skew":7.560761,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117776,"usec":369577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.829939,"noise_level":-20.372332,"freq_skew":5.175931,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117778,"usec":701897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966309,"noise_level":-20.374260,"freq_skew":4.059977,"avlc":{"src":{"addr":"780A3A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117780,"usec":219833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463953,"noise_level":-21.195383,"freq_skew":4.295753,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117780,"usec":226861},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596614,"noise_level":-21.506325,"freq_skew":7.794356,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[241,217]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117788,"usec":601085},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439784,"noise_level":-22.165577,"freq_skew":4.539310,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABHF","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH078P","msg_num":"M21","msg_num_seq":"A","msg_text":"000171AD176,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117789,"usec":354589},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508947,"noise_level":-21.967239,"freq_skew":5.648714,"avlc":{"src":{"addr":"4BCE09","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1161,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117789,"usec":364874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941078,"noise_level":-22.039291,"freq_skew":5.289812,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117790,"usec":110568},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913905,"noise_level":-21.891602,"freq_skew":4.853934,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":3.500000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117792,"usec":440165},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776729,"noise_level":-22.137054,"freq_skew":4.180329,"avlc":{"src":{"addr":"780A3A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..B-KQH","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"CX0288","msg_num":"S10","msg_num_seq":"A","msg_text":"0E21216172S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":16,"sec":17}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117793,"usec":962735},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493385,"noise_level":-22.708614,"freq_skew":1.272381,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":7.000000},"alt":17000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117793,"usec":964200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752322,"noise_level":-23.116083,"freq_skew":-0.325229,"avlc":{"src":{"addr":"4D239C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117793,"usec":965196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113677,"noise_level":-23.116083,"freq_skew":4.023375,"avlc":{"src":{"addr":"780A3A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117794,"usec":706732},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707880,"noise_level":-23.685017,"freq_skew":4.325894,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48889,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[101,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":16,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117796,"usec":997089},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597612,"noise_level":-22.426579,"freq_skew":4.579145,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117797,"usec":767405},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042880,"noise_level":-22.177504,"freq_skew":1.864177,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117797,"usec":767405},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.042880,"noise_level":-22.177504,"freq_skew":1.864177,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[187,66,27,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117800,"usec":849679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094537,"noise_level":-21.216988,"freq_skew":4.493513,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117803,"usec":112014},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.994145,"noise_level":-21.696899,"freq_skew":4.120626,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AALR","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"3S0531","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117803,"usec":868493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.458145,"noise_level":-21.457350,"freq_skew":1.846646,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117804,"usec":649136},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.288791,"noise_level":-22.112938,"freq_skew":4.797348,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":11.400001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117806,"usec":186443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.927752,"noise_level":-21.754841,"freq_skew":4.153760,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117807,"usec":734311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299652,"noise_level":-20.982302,"freq_skew":3.678898,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117808,"usec":471955},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.857010,"noise_level":-20.962872,"freq_skew":5.053067,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117809,"usec":999428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313784,"noise_level":-20.703186,"freq_skew":2.566636,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117809,"usec":999624},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968753,"noise_level":-20.703186,"freq_skew":4.249310,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDT","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH089D","msg_num":"M79","msg_num_seq":"A","msg_text":"00066234231IX,4SSLVL,EEL,1236,PX70"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117810,"usec":769731},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872804,"noise_level":-20.379641,"freq_skew":4.366164,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDT","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"LH089D","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117811,"usec":507154},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617935,"noise_level":-21.242676,"freq_skew":4.132899,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[172,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117813,"usec":822033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477962,"noise_level":-20.853594,"freq_skew":4.289477,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117816,"usec":871563},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036709,"noise_level":-21.315205,"freq_skew":4.687581,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-ALX","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"QR043F","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117817,"usec":633490},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717112,"noise_level":-21.056345,"freq_skew":4.281885,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48889,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[74,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117817,"usec":646660},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659984,"noise_level":-21.052790,"freq_skew":4.419745,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48889,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[135,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":16,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117818,"usec":425073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.785304,"noise_level":-21.013657,"freq_skew":4.867256,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117819,"usec":205128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623549,"noise_level":-22.683258,"freq_skew":4.309335,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117820,"usec":708521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.584214,"noise_level":-22.566240,"freq_skew":7.744743,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117820,"usec":709960},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.992900,"noise_level":-22.554573,"freq_skew":3.537978,"avlc":{"src":{"addr":"A0A545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117821,"usec":461386},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945833,"noise_level":-22.456532,"freq_skew":4.479515,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-ALX","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"QR043F","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117822,"usec":219898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026245,"noise_level":-22.206608,"freq_skew":7.693302,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117822,"usec":236966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.854793,"noise_level":-22.051229,"freq_skew":5.372360,"avlc":{"src":{"addr":"40768A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117823,"usec":800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.995897,"noise_level":-21.706182,"freq_skew":7.513668,"avlc":{"src":{"addr":"4B39E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117823,"usec":750815},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662933,"noise_level":-21.528303,"freq_skew":1.244734,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH035N","msg_num":"M64","msg_num_seq":"A","msg_text":"009392342812(VK++1B15CC4L+WYW+AH+M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117824,"usec":526093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266390,"noise_level":-22.306936,"freq_skew":3.707375,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117826,"usec":76081},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982043,"noise_level":-21.896664,"freq_skew":1.701006,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48914,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[240,169,66,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":17,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117826,"usec":84183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187284,"noise_level":-21.832067,"freq_skew":4.163436,"avlc":{"src":{"addr":"4CAC84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117826,"usec":827843},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967854,"noise_level":-21.736069,"freq_skew":1.858736,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117831,"usec":384832},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656549,"noise_level":-22.035028,"freq_skew":4.022283,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117831,"usec":386493},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861717,"noise_level":-22.024057,"freq_skew":1.895186,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[162,144,39,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117832,"usec":954125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327023,"noise_level":-21.810108,"freq_skew":4.126179,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117835,"usec":206725},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732852,"noise_level":-21.180847,"freq_skew":1.640877,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[162,144,39,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117835,"usec":208844},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364172,"noise_level":-21.101604,"freq_skew":4.190594,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6570,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43576,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[162,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117842,"usec":854733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594517,"noise_level":-22.802732,"freq_skew":1.327149,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117842,"usec":855289},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560003,"noise_level":-23.873938,"freq_skew":7.893348,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":82,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117843,"usec":634690},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010203,"noise_level":-24.133366,"freq_skew":1.153737,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"_d","blk_id":"6","ack":"V","flight":"LH035N","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117845,"usec":135029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861668,"noise_level":-24.948734,"freq_skew":5.981941,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60259,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[180,119,74,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117848,"usec":986403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508319,"noise_level":-24.724789,"freq_skew":4.257029,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117851,"usec":259800},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861217,"noise_level":-23.709116,"freq_skew":4.472300,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117854,"usec":353100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388817,"noise_level":-22.401489,"freq_skew":1.714810,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117855,"usec":95803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.670190,"noise_level":-22.310352,"freq_skew":4.628095,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117855,"usec":851330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538713,"noise_level":-22.009630,"freq_skew":1.385175,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117857,"usec":374968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.919814,"noise_level":-22.771965,"freq_skew":5.570854,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117858,"usec":890864},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788517,"noise_level":-22.182877,"freq_skew":1.294833,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"LH035N","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117859,"usec":690705},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605057,"noise_level":-22.590378,"freq_skew":5.686203,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDT","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"PC706H","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117859,"usec":690705},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.605057,"noise_level":-22.590378,"freq_skew":5.686203,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22744224","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,200,148,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117861,"usec":209276},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703964,"noise_level":-23.455374,"freq_skew":5.619653,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDT","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"PC706H","msg_num":"S49","msg_num_seq":"A","msg_text":"0EV121737V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":12,"min":17,"sec":37}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117861,"usec":968683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217074,"noise_level":-23.026525,"freq_skew":8.387097,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117862,"usec":728088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618881,"noise_level":-22.807779,"freq_skew":5.384635,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117864,"usec":232589},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027819,"noise_level":-22.216339,"freq_skew":4.163877,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43299,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[112,219,254,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":17,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117866,"usec":558951},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.590734,"noise_level":-21.221704,"freq_skew":4.927943,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":369,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117867,"usec":339432},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934897,"noise_level":-20.975286,"freq_skew":3.645095,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117868,"usec":85156},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.247378,"noise_level":-20.849861,"freq_skew":8.327799,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"GS090U","msg_num":"M25","msg_num_seq":"A","msg_text":"0E21217402/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":17,"sec":40}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117868,"usec":95776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833625,"noise_level":-20.735668,"freq_skew":4.437876,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117868,"usec":837751},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459066,"noise_level":-21.254250,"freq_skew":8.495816,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117870,"usec":352935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.534334,"noise_level":-21.095705,"freq_skew":1.520959,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117871,"usec":136758},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.326312,"noise_level":-20.814543,"freq_skew":3.259814,"avlc":{"src":{"addr":"781B5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[218,87,34,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117872,"usec":692902},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405656,"noise_level":-20.359228,"freq_skew":5.871147,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117873,"usec":461715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814697,"noise_level":-20.812246,"freq_skew":4.214160,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117874,"usec":197953},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175524,"noise_level":-21.101229,"freq_skew":5.587735,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044361","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,72,241,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117874,"usec":208662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620095,"noise_level":-21.032412,"freq_skew":2.706149,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117874,"usec":215911},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.337619,"noise_level":-22.188488,"freq_skew":3.987803,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43299,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[100,204,154,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":17,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117874,"usec":962864},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617118,"noise_level":-22.044415,"freq_skew":3.236624,"avlc":{"src":{"addr":"AE04E5","type":"Aircraft","status":"On ground"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".91478S","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"MC0000","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117874,"usec":975115},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.365617,"noise_level":-22.471432,"freq_skew":4.182087,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117877,"usec":234391},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986956,"noise_level":-23.076981,"freq_skew":4.076660,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43299,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[46,27,17,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117877,"usec":243218},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108503,"noise_level":-22.978512,"freq_skew":8.312646,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":11,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":5,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,77,2,128],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117877,"usec":245969},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937020,"noise_level":-22.941872,"freq_skew":4.587650,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[167,16]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117877,"usec":992535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894818,"noise_level":-22.689632,"freq_skew":4.223834,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117878,"usec":760988},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508276,"noise_level":-22.412827,"freq_skew":2.066478,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43583,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[34,210,139,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117881,"usec":94288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427421,"noise_level":-22.253231,"freq_skew":5.818895,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":222,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":16,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117881,"usec":97928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.649914,"noise_level":-22.219521,"freq_skew":1.785523,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117883,"usec":346601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.104613,"noise_level":-21.581831,"freq_skew":5.110803,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117884,"usec":879891},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.600294,"noise_level":-20.958624,"freq_skew":4.864738,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43515,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[78,33,140,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117887,"usec":194860},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792602,"noise_level":-20.540081,"freq_skew":8.273163,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117888,"usec":708588},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.903533,"noise_level":-21.631218,"freq_skew":2.485620,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUU","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA074E","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117889,"usec":495561},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931987,"noise_level":-21.535337,"freq_skew":2.431209,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117891,"usec":747557},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804102,"noise_level":-20.969944,"freq_skew":4.397262,"avlc":{"src":{"addr":"06A10C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":152,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117892,"usec":529251},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.742479,"noise_level":-20.730469,"freq_skew":2.321971,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117892,"usec":531648},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906313,"noise_level":-21.423740,"freq_skew":5.901515,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117893,"usec":333302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178789,"noise_level":-21.191511,"freq_skew":8.203860,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117894,"usec":68609},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096602,"noise_level":-21.112171,"freq_skew":8.385757,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":13,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":8,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,77,2,128],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117894,"usec":91735},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642188,"noise_level":-21.285339,"freq_skew":8.494749,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117894,"usec":92308},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890850,"noise_level":-21.524395,"freq_skew":8.548746,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":11,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":5,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,77,2,128],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117894,"usec":94129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.327185,"noise_level":-21.514050,"freq_skew":5.111975,"avlc":{"src":{"addr":"300558","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117895,"usec":600190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750477,"noise_level":-21.230097,"freq_skew":5.896267,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117897,"usec":880123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726965,"noise_level":-20.464272,"freq_skew":8.600219,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117900,"usec":185646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237809,"noise_level":-20.921074,"freq_skew":8.371593,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117900,"usec":215509},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050657,"noise_level":-20.720592,"freq_skew":8.263775,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117905,"usec":499628},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055964,"noise_level":-20.173832,"freq_skew":2.291643,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117907,"usec":74549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868939,"noise_level":-19.934233,"freq_skew":3.947454,"avlc":{"src":{"addr":"780A3A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117910,"usec":113181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.082048,"noise_level":-21.048779,"freq_skew":5.570483,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117912,"usec":378583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797878,"noise_level":-22.136150,"freq_skew":7.474985,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117913,"usec":178278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101159,"noise_level":-21.873571,"freq_skew":2.221896,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117913,"usec":961459},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471864,"noise_level":-22.763212,"freq_skew":4.578947,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":20,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43584,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[149,84,249,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117914,"usec":703573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.361744,"noise_level":-23.591909,"freq_skew":3.431715,"avlc":{"src":{"addr":"A0A545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117916,"usec":993196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545092,"noise_level":-23.942879,"freq_skew":1.325238,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117917,"usec":745093},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511261,"noise_level":-23.753490,"freq_skew":4.707633,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43586,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[217,184,249,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117918,"usec":516940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927859,"noise_level":-23.442705,"freq_skew":2.298473,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117920,"usec":56113},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.153255,"noise_level":-23.026762,"freq_skew":7.566666,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":986,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117921,"usec":602711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802999,"noise_level":-22.869827,"freq_skew":2.596370,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117923,"usec":98490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533279,"noise_level":-22.532675,"freq_skew":5.456285,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43466,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[125,78,15,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117925,"usec":389763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373084,"noise_level":-21.659561,"freq_skew":3.162148,"avlc":{"src":{"addr":"A0A545","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117926,"usec":131899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.489423,"noise_level":-21.555042,"freq_skew":3.875656,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117928,"usec":458284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726138,"noise_level":-20.770807,"freq_skew":1.987151,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[102,49,15,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117930,"usec":732265},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896818,"noise_level":-22.537024,"freq_skew":1.843216,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117930,"usec":747619},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652057,"noise_level":-22.989780,"freq_skew":2.222282,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117931,"usec":493055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749577,"noise_level":-22.688686,"freq_skew":2.046722,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[102,49,15,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117934,"usec":565912},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.510904,"noise_level":-22.963223,"freq_skew":5.622616,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":60259,"variable_part_params":[{"name":"atn_checksum","value":[3,162,105,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117934,"usec":585921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.237164,"noise_level":-22.734138,"freq_skew":5.243695,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117936,"usec":841688},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657506,"noise_level":-22.719601,"freq_skew":2.098085,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNO","mode":"2","label":"1G","blk_id":"4","ack":"!","flight":"SN02PN","msg_num":"M68","msg_num_seq":"A","msg_text":"EBBR,EDDM,15JUL26,15C;0008;,; ;,0008,SN2647"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117938,"usec":368097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004314,"noise_level":-22.212021,"freq_skew":1.964451,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117939,"usec":904009},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933742,"noise_level":-21.893255,"freq_skew":5.562684,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":60259,"variable_part_params":[{"name":"atn_checksum","value":[3,162,105,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117940,"usec":698321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601574,"noise_level":-21.700974,"freq_skew":2.396710,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117942,"usec":213558},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343222,"noise_level":-21.606998,"freq_skew":5.633316,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43466,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[140,130,10,173]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43466,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[104,37,5,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":19,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117942,"usec":224853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322387,"noise_level":-22.293501,"freq_skew":4.076817,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117943,"usec":746947},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005450,"noise_level":-21.756231,"freq_skew":4.189271,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117945,"usec":262962},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.788660,"noise_level":-22.203588,"freq_skew":5.537880,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117946,"usec":2762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514231,"noise_level":-22.997044,"freq_skew":3.836447,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117946,"usec":775111},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801103,"noise_level":-23.392908,"freq_skew":5.425280,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117949,"usec":86151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857219,"noise_level":-23.158596,"freq_skew":4.938665,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117949,"usec":107052},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444159,"noise_level":-22.900076,"freq_skew":5.538513,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43466,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,106,84,192]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":19,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117949,"usec":862541},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542819,"noise_level":-23.713617,"freq_skew":5.245502,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":43466,"variable_part_params":[{"name":"atn_checksum","value":[65,144,126,231]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117950,"usec":617561},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472301,"noise_level":-23.464155,"freq_skew":5.357212,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117950,"usec":617561},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.472301,"noise_level":-23.464155,"freq_skew":5.357212,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[104,133,2,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117950,"usec":620790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893807,"noise_level":-24.204990,"freq_skew":2.294598,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117952,"usec":141102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.461185,"noise_level":-23.814222,"freq_skew":5.028169,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117952,"usec":873881},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751179,"noise_level":-23.760490,"freq_skew":4.366535,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43576,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[154,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117952,"usec":883258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.661675,"noise_level":-24.196386,"freq_skew":4.697108,"avlc":{"src":{"addr":"4D24C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117952,"usec":891750},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175610,"noise_level":-24.126265,"freq_skew":2.019146,"avlc":{"src":{"addr":"3C70B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":11.700000},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117955,"usec":193036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645144,"noise_level":-23.759846,"freq_skew":4.062069,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117957,"usec":500921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247990,"noise_level":-22.678421,"freq_skew":8.444942,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117958,"usec":233909},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751008,"noise_level":-22.987669,"freq_skew":2.036301,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117958,"usec":243705},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349771,"noise_level":-23.416651,"freq_skew":5.439244,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117959,"usec":768601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116615,"noise_level":-23.395229,"freq_skew":2.219130,"avlc":{"src":{"addr":"3CC253","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117960,"usec":560906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865793,"noise_level":-23.167118,"freq_skew":4.158205,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117961,"usec":330769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748333,"noise_level":-22.751942,"freq_skew":3.754628,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117962,"usec":855867},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362883,"noise_level":-22.130798,"freq_skew":2.361498,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117962,"usec":859163},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869360,"noise_level":-22.512020,"freq_skew":2.276878,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":27,"pkt_type_name":"Reset Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":2,"diag_code_descr":"Invalid P(R)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117963,"usec":607542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587127,"noise_level":-22.362528,"freq_skew":4.120691,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117963,"usec":612944},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926874,"noise_level":-22.305710,"freq_skew":2.337590,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117964,"usec":361300},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639492,"noise_level":-22.750967,"freq_skew":2.302188,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117965,"usec":871292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926879,"noise_level":-22.861216,"freq_skew":2.361837,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117973,"usec":549701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691947,"noise_level":-21.016417,"freq_skew":5.526170,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117975,"usec":72982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840843,"noise_level":-22.229557,"freq_skew":5.601818,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117975,"usec":839177},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.887252,"noise_level":-21.909904,"freq_skew":7.638761,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[34,78]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117977,"usec":352159},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.434519,"noise_level":-21.874048,"freq_skew":4.680445,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[167,16]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117977,"usec":365715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811661,"noise_level":-21.745670,"freq_skew":2.075732,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117982,"usec":723505},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769847,"noise_level":-20.087879,"freq_skew":2.248931,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117983,"usec":484369},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.699349,"noise_level":-20.525724,"freq_skew":4.530650,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48808,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[224,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117985,"usec":744763},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636509,"noise_level":-19.937080,"freq_skew":3.874282,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117985,"usec":756779},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082362,"noise_level":-20.312817,"freq_skew":3.989336,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117986,"usec":497561},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466144,"noise_level":-20.276873,"freq_skew":4.115113,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":35845,"dst_ref":43299,"variable_part_params":[{"name":"atn_checksum","value":[142,187,246,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117986,"usec":499485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201468,"noise_level":-20.267910,"freq_skew":1.954464,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117986,"usec":512559},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261837,"noise_level":-21.200542,"freq_skew":5.901651,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"LH01GM","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117991,"usec":102666},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079356,"noise_level":-20.355614,"freq_skew":4.166646,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117991,"usec":102666},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.079356,"noise_level":-20.355614,"freq_skew":4.166646,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":35845,"dst_ref":43299,"variable_part_params":[{"name":"atn_checksum","value":[142,187,246,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117992,"usec":628178},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.168545,"noise_level":-19.880217,"freq_skew":4.315819,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117992,"usec":631689},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878845,"noise_level":-19.854553,"freq_skew":2.304449,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117992,"usec":637912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049960,"noise_level":-20.307178,"freq_skew":5.506973,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117994,"usec":182285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349052,"noise_level":-21.029095,"freq_skew":3.973505,"avlc":{"src":{"addr":"3CEFC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117994,"usec":187460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809141,"noise_level":-21.563118,"freq_skew":7.603390,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117994,"usec":936992},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681324,"noise_level":-21.337309,"freq_skew":1.880204,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117997,"usec":223754},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893260,"noise_level":-21.472565,"freq_skew":2.018661,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117997,"usec":239576},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.418195,"noise_level":-22.160950,"freq_skew":4.459551,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117997,"usec":995609},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.871354,"noise_level":-22.304760,"freq_skew":2.193468,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43572,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[70,152,127,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117998,"usec":741531},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674636,"noise_level":-22.181063,"freq_skew":1.768222,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784117999,"usec":486878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.773375,"noise_level":-22.304716,"freq_skew":4.460702,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118000,"usec":248139},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873034,"noise_level":-21.788092,"freq_skew":7.461609,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCC","mode":"2","label":"_d","blk_id":"3","ack":"N","flight":"PC1621","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118003,"usec":344066},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.180017,"noise_level":-20.848360,"freq_skew":3.982252,"avlc":{"src":{"addr":"3CEFC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118005,"usec":633996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.864193,"noise_level":-21.137985,"freq_skew":4.487214,"avlc":{"src":{"addr":"486483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118006,"usec":382913},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.759373,"noise_level":-21.048325,"freq_skew":7.636427,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":995,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43595,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[176,177,115,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118006,"usec":386526},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164106,"noise_level":-21.028746,"freq_skew":7.571013,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":996,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":80,"dst_ref":43595,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[157,57,155,43]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118009,"usec":460297},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098243,"noise_level":-20.841314,"freq_skew":2.567984,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118010,"usec":972744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371645,"noise_level":-20.519522,"freq_skew":7.380829,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118010,"usec":986733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891566,"noise_level":-20.400463,"freq_skew":2.376902,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118012,"usec":498578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.986080,"noise_level":-19.957174,"freq_skew":5.792593,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118012,"usec":505905},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558444,"noise_level":-20.445450,"freq_skew":2.366773,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118016,"usec":332434},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456862,"noise_level":-19.984810,"freq_skew":3.609907,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EETN"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":8.700000},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118017,"usec":108897},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428608,"noise_level":-20.674797,"freq_skew":5.478135,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":198,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118018,"usec":628231},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852423,"noise_level":-22.712006,"freq_skew":2.059923,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48914,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,101,184,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":20,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118019,"usec":374967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394153,"noise_level":-22.559061,"freq_skew":2.491735,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118020,"usec":133075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881879,"noise_level":-22.363035,"freq_skew":-0.180312,"avlc":{"src":{"addr":"4D239C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118022,"usec":443248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239563,"noise_level":-23.920742,"freq_skew":4.093575,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118024,"usec":740044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635214,"noise_level":-25.155472,"freq_skew":2.744068,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118027,"usec":20423},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738799,"noise_level":-24.861679,"freq_skew":2.223324,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118027,"usec":23037},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448035,"noise_level":-25.247402,"freq_skew":2.232809,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48914,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[162,246,189,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118027,"usec":775958},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884723,"noise_level":-25.012226,"freq_skew":1.997562,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43572,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,226,134,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":20,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118028,"usec":568153},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643437,"noise_level":-24.738174,"freq_skew":2.155765,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43572,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[240,112,117,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118029,"usec":326196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774593,"noise_level":-24.356985,"freq_skew":2.443962,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118031,"usec":596563},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783501,"noise_level":-24.267017,"freq_skew":3.336049,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIED","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH0882","msg_num":"D13","msg_num_seq":"I","sublabel":"DF","msg_text":",00200,020,005,019,014,014,2/1E0882,0934,62,115,040,000,023,0/1N0881,0935,62,123,040,000,032,0/1S4878,6117,015,N14,160,40,04948,2/1T4827,6230,018,N13,151,41,04948,2/1X4881,00200,022,014,025,018,013,2/2E0884"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118033,"usec":139728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692290,"noise_level":-23.519348,"freq_skew":2.631833,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118039,"usec":253377},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732934,"noise_level":-22.017799,"freq_skew":1.994523,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43600,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[148,242,12,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":20,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118039,"usec":254253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685807,"noise_level":-22.017799,"freq_skew":2.194075,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118040,"usec":12805},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191609,"noise_level":-22.330130,"freq_skew":1.985129,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[217,199,134,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118040,"usec":759194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134374,"noise_level":-22.652758,"freq_skew":7.909719,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118041,"usec":560078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144516,"noise_level":-22.561417,"freq_skew":2.067064,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118041,"usec":561049},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224800,"noise_level":-22.514881,"freq_skew":2.601381,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118044,"usec":599965},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727423,"noise_level":-22.245352,"freq_skew":2.441900,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118046,"usec":882182},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497273,"noise_level":-22.115345,"freq_skew":-0.218715,"avlc":{"src":{"addr":"4D239C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48954,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[213,88]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118047,"usec":651489},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302531,"noise_level":-23.162432,"freq_skew":5.672817,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":290,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118048,"usec":437594},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187056,"noise_level":-23.258549,"freq_skew":7.183422,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":11.000000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118049,"usec":974850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.442916,"noise_level":-23.262829,"freq_skew":6.811905,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118050,"usec":732892},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742106,"noise_level":-23.530499,"freq_skew":3.917811,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60344,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[182,30,145,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118052,"usec":247194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196821,"noise_level":-23.118450,"freq_skew":4.713818,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[248,253,187,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118053,"usec":15528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616528,"noise_level":-22.909542,"freq_skew":5.486605,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[4,62,76,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118054,"usec":560434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605091,"noise_level":-22.983364,"freq_skew":2.284162,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118056,"usec":86824},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.840803,"noise_level":-23.070435,"freq_skew":3.626945,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60347,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,101,189,183]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":20,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118056,"usec":90138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.366747,"noise_level":-23.592539,"freq_skew":6.981319,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118056,"usec":850040},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148990,"noise_level":-23.333723,"freq_skew":8.366940,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":6.900000},"alt":30000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118057,"usec":595411},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618298,"noise_level":-23.157034,"freq_skew":4.119897,"avlc":{"src":{"addr":"4BCDE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43576,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[7,64]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118058,"usec":350284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242350,"noise_level":-22.850189,"freq_skew":8.279280,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-AND","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XA55ND","msg_num":"M19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118062,"usec":189971},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848525,"noise_level":-22.618406,"freq_skew":3.914739,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":184,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118064,"usec":485257},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380721,"noise_level":-21.790260,"freq_skew":2.552400,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUU","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"BA074E","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118064,"usec":493513},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601951,"noise_level":-21.705286,"freq_skew":2.430275,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20052125","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118064,"usec":497100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.462232,"noise_level":-21.673632,"freq_skew":2.418253,"avlc":{"src":{"addr":"505DED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118064,"usec":497798},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805383,"noise_level":-21.663109,"freq_skew":2.565351,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118065,"usec":240665},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552793,"noise_level":-21.496412,"freq_skew":2.443640,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0],"dst_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":2790,"segment_offset":0,"pdu_total_len":140},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":true,"unknown_proto":{"data":[133,0,62,1,0,0,0,2,0,0,0,0,3,0,152,214,15,25,36,39,182,46,51,63,194,3,22,186,182,181,1,3,132,11,184,11,71,0,39,65,66,65,87,0,64,84,85]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118065,"usec":244853},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626479,"noise_level":-22.421787,"freq_skew":-0.282478,"avlc":{"src":{"addr":"4D239C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48955,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[17,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118066,"usec":665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067399,"noise_level":-22.262547,"freq_skew":4.907522,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118066,"usec":750375},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802840,"noise_level":-22.396509,"freq_skew":8.297275,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118066,"usec":765894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279896,"noise_level":-22.294104,"freq_skew":8.239294,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118066,"usec":771768},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136690,"noise_level":-22.295452,"freq_skew":5.865284,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":64,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[167,137]},{"name":"atn_checksum","value":[34,57,25,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118068,"usec":268852},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524781,"noise_level":-22.404346,"freq_skew":5.885812,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48958,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[119,51,46,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118069,"usec":84589},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.982635,"noise_level":-22.896967,"freq_skew":2.640671,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118069,"usec":836269},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316577,"noise_level":-22.705107,"freq_skew":2.672883,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118070,"usec":586055},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535435,"noise_level":-22.696810,"freq_skew":5.848810,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48958,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[234,210,41,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118071,"usec":356830},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038617,"noise_level":-22.376526,"freq_skew":8.232572,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54832,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[185,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118071,"usec":359239},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620144,"noise_level":-22.905418,"freq_skew":2.670560,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2794,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118071,"usec":360718},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910424,"noise_level":-22.881180,"freq_skew":3.875595,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118072,"usec":111788},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869494,"noise_level":-22.607185,"freq_skew":8.417927,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54832,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[150,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":21,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118072,"usec":113434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415055,"noise_level":-22.595467,"freq_skew":5.667258,"avlc":{"src":{"addr":"3C5EE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118072,"usec":121479},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879646,"noise_level":-22.502279,"freq_skew":3.735205,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118073,"usec":631889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.522579,"noise_level":-21.995956,"freq_skew":8.418881,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118075,"usec":132800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870910,"noise_level":-22.848227,"freq_skew":8.237181,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118075,"usec":937576},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451609,"noise_level":-23.930826,"freq_skew":3.837555,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60347,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[89,192,185,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118075,"usec":938443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.425971,"noise_level":-23.903553,"freq_skew":8.108662,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118075,"usec":942846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967120,"noise_level":-23.715012,"freq_skew":2.556514,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118078,"usec":235013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.334448,"noise_level":-22.918842,"freq_skew":3.798448,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118083,"usec":598566},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502405,"noise_level":-20.938395,"freq_skew":3.882408,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118085,"usec":864145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857706,"noise_level":-21.489521,"freq_skew":8.409492,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118088,"usec":963593},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.539903,"noise_level":-21.005314,"freq_skew":2.987878,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118091,"usec":234895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.026875,"noise_level":-20.454435,"freq_skew":6.288640,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118091,"usec":979274},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930623,"noise_level":-20.354336,"freq_skew":5.118504,"avlc":{"src":{"addr":"46A5E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43604,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[149,37,69,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118091,"usec":982615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.440850,"noise_level":-20.523422,"freq_skew":2.859640,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118092,"usec":751631},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.880639,"noise_level":-20.215284,"freq_skew":5.553404,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118092,"usec":753604},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.858673,"noise_level":-20.206385,"freq_skew":3.056572,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118094,"usec":266468},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680953,"noise_level":-20.514183,"freq_skew":3.754455,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"LH2544","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118095,"usec":25950},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.448175,"noise_level":-20.286791,"freq_skew":2.864410,"avlc":{"src":{"addr":"3CD906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"LFSB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118104,"usec":212208},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405266,"noise_level":-22.112143,"freq_skew":3.343783,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":100,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118104,"usec":986439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298480,"noise_level":-22.806072,"freq_skew":2.653420,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118106,"usec":489777},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938370,"noise_level":-23.031776,"freq_skew":8.182117,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54832,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[174,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118109,"usec":579452},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.904617,"noise_level":-22.495939,"freq_skew":6.862082,"avlc":{"src":{"addr":"3D5403","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118109,"usec":580935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029792,"noise_level":-22.484369,"freq_skew":8.054083,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118110,"usec":331823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701227,"noise_level":-22.166517,"freq_skew":2.652494,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118113,"usec":362307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674306,"noise_level":-22.972891,"freq_skew":1.844846,"avlc":{"src":{"addr":"4BCE02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118114,"usec":138979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.997732,"noise_level":-23.512405,"freq_skew":3.933480,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118114,"usec":900714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881248,"noise_level":-23.167925,"freq_skew":1.717570,"avlc":{"src":{"addr":"4BCE02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118115,"usec":683999},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":4,"idx":0,"sig_level":-4.703019,"noise_level":-23.056068,"freq_skew":3.647918,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIED","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LH0882","msg_num":"D15","msg_num_seq":"I","sublabel":"DF","msg_text":"220,018,N11,145,40,06001,2/X94881,00350,026,015,028,019,013,2/E00888,0933,64,109,040,000,027,0/S04644,6119,013,N11,157,41,07000,2/T04600,6209,016,N08,143,41,06998,2/V00175,0087,00592,00096,222,222,215,0/X02"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118123,"usec":323679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150834,"noise_level":-22.530134,"freq_skew":5.544684,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118124,"usec":99002},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329972,"noise_level":-22.132559,"freq_skew":2.783186,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIML"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":7.100000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118125,"usec":613814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.888701,"noise_level":-21.625784,"freq_skew":3.412813,"avlc":{"src":{"addr":"394A61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118130,"usec":229970},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.876350,"noise_level":-20.568317,"freq_skew":3.998461,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-FBO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FH8014","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118130,"usec":961307},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108475,"noise_level":-21.424774,"freq_skew":7.646134,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCC","mode":"2","label":"_d","blk_id":"7","ack":"O","flight":"PC1621","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118130,"usec":982760},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.370402,"noise_level":-21.252510,"freq_skew":3.762126,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22714117","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,70,72,89,0,75,152,79,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118132,"usec":482116},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051303,"noise_level":-22.380802,"freq_skew":7.470345,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCC","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"PC1621","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118133,"usec":241715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.620659,"noise_level":-22.077675,"freq_skew":4.041896,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118133,"usec":247796},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804132,"noise_level":-22.438562,"freq_skew":5.426972,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48864,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[149,239]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118134,"usec":776093},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.914810,"noise_level":-22.704313,"freq_skew":3.660315,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118136,"usec":320051},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.750980,"noise_level":-22.417942,"freq_skew":3.631327,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":6.700000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118137,"usec":84943},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169439,"noise_level":-22.113537,"freq_skew":2.916705,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,84,85,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118137,"usec":94315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572181,"noise_level":-22.051544,"freq_skew":8.205168,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118137,"usec":851576},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.059629,"noise_level":-21.802156,"freq_skew":3.820445,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118138,"usec":604120},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330565,"noise_level":-21.622318,"freq_skew":8.336665,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54832,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[170,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118138,"usec":610510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759089,"noise_level":-22.042572,"freq_skew":3.956246,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-FBO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FH8014","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118139,"usec":355776},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.177607,"noise_level":-22.807549,"freq_skew":2.458364,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2798,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":4,"ack":5,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":279,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,66,65,87,0,64,84,85]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,66,65,87,0,64,84,85]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118139,"usec":373439},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035997,"noise_level":-22.605898,"freq_skew":3.526022,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60347,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[34,197,187,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118140,"usec":879864},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936681,"noise_level":-22.484032,"freq_skew":7.724603,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118140,"usec":881991},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649353,"noise_level":-22.460939,"freq_skew":3.926651,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118141,"usec":653699},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612751,"noise_level":-22.088512,"freq_skew":3.764642,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":36,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118142,"usec":450873},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364411,"noise_level":-22.671825,"freq_skew":3.819795,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,70,72,89,0,75,152,79,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118148,"usec":516369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961091,"noise_level":-23.882420,"freq_skew":2.419091,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118149,"usec":315102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.414047,"noise_level":-23.549355,"freq_skew":3.880171,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118149,"usec":321670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992978,"noise_level":-23.548796,"freq_skew":3.604043,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118150,"usec":73939},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523331,"noise_level":-23.041142,"freq_skew":5.286638,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[4,62,76,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118150,"usec":833650},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740212,"noise_level":-22.943077,"freq_skew":7.564620,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[83,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118150,"usec":839694},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.128168,"noise_level":-22.858166,"freq_skew":5.369239,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":366,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118150,"usec":841206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.024140,"noise_level":-23.437254,"freq_skew":4.751594,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118153,"usec":889044},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.081429,"noise_level":-22.783365,"freq_skew":10.061230,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118156,"usec":963302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.348831,"noise_level":-25.657516,"freq_skew":7.875851,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118158,"usec":490782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238618,"noise_level":-25.100815,"freq_skew":3.671578,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118163,"usec":47442},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788568,"noise_level":-23.780832,"freq_skew":5.064753,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":377,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118165,"usec":349973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.467954,"noise_level":-23.681526,"freq_skew":2.727052,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118166,"usec":127945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303679,"noise_level":-23.229042,"freq_skew":8.292679,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118167,"usec":627316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635101,"noise_level":-23.125595,"freq_skew":8.300881,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118172,"usec":227894},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051620,"noise_level":-21.602690,"freq_skew":5.043184,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":11.300000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118175,"usec":280879},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750721,"noise_level":-21.274139,"freq_skew":7.543104,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[34,78]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118176,"usec":21583},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985081,"noise_level":-21.204014,"freq_skew":4.052505,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":131,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118176,"usec":36327},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.732856,"noise_level":-21.765985,"freq_skew":5.527783,"avlc":{"src":{"addr":"3CC1BE","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118178,"usec":336416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461430,"noise_level":-21.997242,"freq_skew":4.396791,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118179,"usec":112695},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.743970,"noise_level":-23.258625,"freq_skew":3.945759,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118182,"usec":141232},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885904,"noise_level":-23.573498,"freq_skew":4.838743,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":11.300000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118182,"usec":143379},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761452,"noise_level":-23.547323,"freq_skew":5.008798,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43515,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[78,100,31,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118182,"usec":908476},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296325,"noise_level":-23.201483,"freq_skew":5.012841,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118182,"usec":908476},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.296325,"noise_level":-23.201483,"freq_skew":5.012841,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118183,"usec":701207},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879431,"noise_level":-23.039751,"freq_skew":5.036433,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":379,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":7,"ack":4,"credit_offered":0,"credit_avail":3,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118183,"usec":713172},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981690,"noise_level":-23.087475,"freq_skew":7.791227,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[34,78]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118184,"usec":473357},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906997,"noise_level":-24.358389,"freq_skew":7.507241,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43429,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[16,247]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":23,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118185,"usec":246941},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522340,"noise_level":-24.605186,"freq_skew":7.720603,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48888,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[193,94]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":23,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118185,"usec":993884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062447,"noise_level":-25.174162,"freq_skew":3.662897,"avlc":{"src":{"addr":"3C5EEA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118188,"usec":275090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130762,"noise_level":-24.163673,"freq_skew":2.998004,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118191,"usec":363074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654442,"noise_level":-23.150257,"freq_skew":3.881145,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118192,"usec":102932},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121403,"noise_level":-23.112886,"freq_skew":3.457968,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"CYUL"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":4.000000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118196,"usec":701130},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683599,"noise_level":-23.193520,"freq_skew":1.806486,"avlc":{"src":{"addr":"4BCE02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":321,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118197,"usec":459923},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529329,"noise_level":-23.632738,"freq_skew":1.795004,"avlc":{"src":{"addr":"4BCE02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118202,"usec":24272},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338192,"noise_level":-22.539537,"freq_skew":3.766775,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60347,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[34,197,187,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118205,"usec":111812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.624156,"noise_level":-21.985291,"freq_skew":8.386770,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118208,"usec":130005},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026336,"noise_level":-21.312099,"freq_skew":3.256689,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"CYUL"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":4.000000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118208,"usec":131854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078388,"noise_level":-21.281845,"freq_skew":2.339944,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118208,"usec":134199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.267733,"noise_level":-21.728245,"freq_skew":5.323175,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118208,"usec":138921},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518679,"noise_level":-21.612436,"freq_skew":5.390308,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JVX","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"2L01VC","msg_num":"C88","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE1223000715ABQ\n12205915310 0 0\n12212405310 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118208,"usec":909010},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595475,"noise_level":-21.405758,"freq_skew":7.517236,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118211,"usec":998879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032063,"noise_level":-22.338318,"freq_skew":5.350012,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118217,"usec":339278},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240781,"noise_level":-21.844719,"freq_skew":5.039267,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":380,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":7,"ack":3,"credit_offered":3,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,83,65,83,0,76,173,148],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118218,"usec":107661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.197244,"noise_level":-21.821609,"freq_skew":5.095268,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118219,"usec":633250},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471811,"noise_level":-21.271620,"freq_skew":7.610702,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":997,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118231,"usec":850262},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.761653,"noise_level":-20.222073,"freq_skew":5.271820,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43598,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[44,127,224,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118233,"usec":374407},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497390,"noise_level":-19.860435,"freq_skew":5.503459,"avlc":{"src":{"addr":"4B19FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48864,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[149,239]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118237,"usec":971624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370749,"noise_level":-21.110661,"freq_skew":2.549395,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118237,"usec":978726},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136743,"noise_level":-21.128157,"freq_skew":3.853826,"avlc":{"src":{"addr":"4CABDE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118246,"usec":369685},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232872,"noise_level":-22.009071,"freq_skew":1.588631,"avlc":{"src":{"addr":"49D0F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"LIP."}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118248,"usec":638551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.413667,"noise_level":-22.043537,"freq_skew":1.635628,"avlc":{"src":{"addr":"49D0F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118249,"usec":407635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940627,"noise_level":-21.656643,"freq_skew":3.699477,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118249,"usec":409042},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139509,"noise_level":-22.473869,"freq_skew":5.204758,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43598,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[44,127,224,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118250,"usec":956598},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592841,"noise_level":-22.012846,"freq_skew":5.213841,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[4,62,76,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118254,"usec":752044},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.311128,"noise_level":-20.997387,"freq_skew":4.172198,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":288,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118257,"usec":40011},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689447,"noise_level":-20.215271,"freq_skew":5.064650,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[4,62,76,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118260,"usec":108739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157791,"noise_level":-19.696894,"freq_skew":2.357073,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118260,"usec":868739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.468448,"noise_level":-19.383854,"freq_skew":3.938144,"avlc":{"src":{"addr":"3C4592","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118260,"usec":869124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.114615,"noise_level":-19.375767,"freq_skew":4.530007,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118263,"usec":923335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810784,"noise_level":-19.293045,"freq_skew":3.460096,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118264,"usec":728530},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455688,"noise_level":-19.087317,"freq_skew":2.679108,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":377,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":9,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118265,"usec":476581},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091986,"noise_level":-18.963095,"freq_skew":8.495218,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60349,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[59,67]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118269,"usec":266874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246381,"noise_level":-18.239418,"freq_skew":8.113008,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118272,"usec":351526},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981595,"noise_level":-20.281084,"freq_skew":8.354668,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-AND","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA55ND","msg_num":"M22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118272,"usec":351526},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.981595,"noise_level":-20.281084,"freq_skew":8.354668,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60349,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[59,67]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118272,"usec":353966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658870,"noise_level":-20.524969,"freq_skew":4.906264,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118273,"usec":113635},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189526,"noise_level":-20.849569,"freq_skew":5.167970,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48966,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[142,116,21,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118275,"usec":410210},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155654,"noise_level":-21.505936,"freq_skew":5.135047,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118277,"usec":717217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154297,"noise_level":-21.829777,"freq_skew":8.104605,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118278,"usec":470999},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.414953,"noise_level":-21.628395,"freq_skew":3.051350,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JME","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LX01LE","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118281,"usec":509521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175650,"noise_level":-20.564737,"freq_skew":3.238602,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118283,"usec":796431},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539640,"noise_level":-20.255451,"freq_skew":3.602632,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIED","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH0882","msg_num":"D20","msg_num_seq":"I","sublabel":"DF","msg_text":"/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118285,"usec":358348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043096,"noise_level":-20.295237,"freq_skew":3.299907,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118292,"usec":220307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.051678,"noise_level":-19.138493,"freq_skew":3.142983,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118295,"usec":278707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757426,"noise_level":-18.235348,"freq_skew":8.254182,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118297,"usec":562901},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846933,"noise_level":-18.239311,"freq_skew":3.648599,"avlc":{"src":{"addr":"4D22C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":541,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118305,"usec":998653},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854602,"noise_level":-21.525860,"freq_skew":5.226412,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDT","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"PC706H","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118309,"usec":796357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148216,"noise_level":-20.570688,"freq_skew":2.593318,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118311,"usec":314298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558345,"noise_level":-22.208225,"freq_skew":2.506727,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118312,"usec":105590},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797331,"noise_level":-22.041824,"freq_skew":1.608526,"avlc":{"src":{"addr":"4BCE02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPB","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"XQ01ZN","msg_num":"M60","msg_num_seq":"A","msg_text":"122509,+33645,1526,23280,N 52.1133,E 10.9272,SXS1ZN ,5,7,4,925760,/,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118322,"usec":22845},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762329,"noise_level":-20.934849,"freq_skew":4.888311,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118324,"usec":316482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799870,"noise_level":-20.386040,"freq_skew":8.480759,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118325,"usec":102402},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844346,"noise_level":-20.259830,"freq_skew":2.634254,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118325,"usec":849799},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.537370,"noise_level":-20.082655,"freq_skew":3.733408,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60347,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[34,197,187,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118328,"usec":911143},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991078,"noise_level":-19.738628,"freq_skew":2.679099,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":4,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118329,"usec":641910},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990277,"noise_level":-19.663101,"freq_skew":7.407430,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118329,"usec":642409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.111583,"noise_level":-19.654749,"freq_skew":4.183880,"avlc":{"src":{"addr":"234837","type":"Ground station","status":"On ground"},"dst":{"addr":"3D70F5","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118329,"usec":643935},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231763,"noise_level":-19.604807,"freq_skew":3.502178,"avlc":{"src":{"addr":"4D22C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43401,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[225,50,22,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118329,"usec":647224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598497,"noise_level":-19.497576,"freq_skew":8.344317,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118332,"usec":737953},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789859,"noise_level":-19.246225,"freq_skew":8.213357,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60349,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[59,67]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118335,"usec":12764},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.585898,"noise_level":-18.803741,"freq_skew":6.608631,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118335,"usec":31242},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740798,"noise_level":-20.466330,"freq_skew":-0.091958,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH083T","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118338,"usec":66945},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.780587,"noise_level":-22.884575,"freq_skew":8.207399,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60349,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[59,67]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118338,"usec":870347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639414,"noise_level":-22.552015,"freq_skew":8.367868,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118339,"usec":616360},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.113510,"noise_level":-22.424774,"freq_skew":2.685948,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118341,"usec":147519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.569042,"noise_level":-21.729889,"freq_skew":6.716473,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118342,"usec":645020},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714008,"noise_level":-21.285633,"freq_skew":7.520015,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17270365","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,61,112,245,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118344,"usec":171025},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922823,"noise_level":-20.834270,"freq_skew":7.787574,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"GS0000","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118347,"usec":265152},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613474,"noise_level":-19.824408,"freq_skew":7.506527,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":97,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":2,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,61,112,245],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118348,"usec":768933},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766922,"noise_level":-19.556200,"freq_skew":7.623321,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,71,68,67,0,61,112,245,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118349,"usec":528326},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.580927,"noise_level":-20.270607,"freq_skew":7.726115,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118349,"usec":543980},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832622,"noise_level":-20.757660,"freq_skew":5.803579,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QFB","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FRRYR2","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118351,"usec":848372},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926546,"noise_level":-21.158558,"freq_skew":5.627764,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118354,"usec":123037},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754252,"noise_level":-20.545483,"freq_skew":4.286009,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.000000},"alt":5000}},{"name":"alternate_ground_stations","value":["10902A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118356,"usec":404254},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004579,"noise_level":-21.004131,"freq_skew":5.709497,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118357,"usec":933774},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.111094,"noise_level":-20.520569,"freq_skew":7.591044,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"44","blk_id":"2","ack":"!","flight":"GS0000","msg_num":"M17","msg_num_seq":"A","msg_text":"02N;E,0IrQ3,)-X,,)-09I-)9IvksXIXt`iI,]3QI3--QI3-Q-I,,3TA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118360,"usec":235507},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129619,"noise_level":-20.768375,"freq_skew":7.719095,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118361,"usec":784247},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792084,"noise_level":-21.035957,"freq_skew":4.383028,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118364,"usec":789667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846160,"noise_level":-21.129581,"freq_skew":5.769370,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118364,"usec":796263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118204,"noise_level":-20.963020,"freq_skew":5.757241,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118365,"usec":625740},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761259,"noise_level":-20.733181,"freq_skew":5.799397,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5863,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118366,"usec":356595},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458864,"noise_level":-21.431673,"freq_skew":2.659566,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118367,"usec":902720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.572548,"noise_level":-20.714417,"freq_skew":2.071980,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"AA0715","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118370,"usec":933393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082233,"noise_level":-20.348938,"freq_skew":2.784405,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118372,"usec":491697},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226297,"noise_level":-20.057060,"freq_skew":3.754660,"avlc":{"src":{"addr":"4D22C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":73,"dst_ref":313,"variable_part_params":[{"name":"atn_checksum","value":[216,222,215,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118373,"usec":237963},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660155,"noise_level":-19.994127,"freq_skew":7.660891,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[102,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118375,"usec":520895},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877666,"noise_level":-19.917484,"freq_skew":4.775396,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48876,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[90,8,134,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":26,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118375,"usec":539784},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874688,"noise_level":-20.413872,"freq_skew":5.698405,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9,"dst_ref":329,"variable_part_params":[{"name":"checksum","value":[118,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118377,"usec":36125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146091,"noise_level":-20.351782,"freq_skew":5.363007,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118377,"usec":54054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327276,"noise_level":-20.492765,"freq_skew":4.725841,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118378,"usec":577019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.179142,"noise_level":-20.291986,"freq_skew":4.941785,"avlc":{"src":{"addr":"300557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118378,"usec":579042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725079,"noise_level":-20.283009,"freq_skew":4.057174,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118379,"usec":384552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235539,"noise_level":-20.052769,"freq_skew":4.157875,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118387,"usec":770676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854285,"noise_level":-23.195303,"freq_skew":1.800456,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118388,"usec":526666},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254706,"noise_level":-22.935705,"freq_skew":1.835711,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":88,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":12,"ack":4,"credit_offered":4,"credit_avail":3,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118390,"usec":31744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221954,"noise_level":-22.484818,"freq_skew":3.329622,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118390,"usec":805010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053420,"noise_level":-22.689350,"freq_skew":2.662114,"avlc":{"src":{"addr":"744822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118391,"usec":571670},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.106220,"noise_level":-23.973227,"freq_skew":5.749214,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,77,37,25,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":5865,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":10,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[60,254]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118391,"usec":573469},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.711792,"noise_level":-23.959513,"freq_skew":4.791491,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH09MH","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118392,"usec":373604},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469796,"noise_level":-24.868229,"freq_skew":4.933342,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118393,"usec":869337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.148605,"noise_level":-24.525181,"freq_skew":5.783756,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118393,"usec":869979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082452,"noise_level":-24.525181,"freq_skew":4.912749,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118394,"usec":639241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.291410,"noise_level":-25.566771,"freq_skew":1.981522,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118394,"usec":643833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549960,"noise_level":-25.484722,"freq_skew":2.025829,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118395,"usec":390085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190767,"noise_level":-25.306894,"freq_skew":8.327030,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118395,"usec":398661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.635735,"noise_level":-25.132637,"freq_skew":1.957032,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118397,"usec":667262},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690387,"noise_level":-24.515373,"freq_skew":8.257077,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54832,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,108]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":26,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118399,"usec":201389},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396924,"noise_level":-23.693628,"freq_skew":8.089570,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":98,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54832,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[166,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118400,"usec":9649},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943411,"noise_level":-23.354801,"freq_skew":8.262685,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118400,"usec":751097},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.928079,"noise_level":-24.230927,"freq_skew":-0.088442,"avlc":{"src":{"addr":"3C6637","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118400,"usec":757698},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.474282,"noise_level":-24.090691,"freq_skew":-0.344371,"avlc":{"src":{"addr":"3C6637","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIQW","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH05TV","msg_num":"S02","msg_num_seq":"A","msg_text":"0EV122638V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":12,"min":26,"sec":38}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118402,"usec":278092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.696407,"noise_level":-23.499212,"freq_skew":-0.074919,"avlc":{"src":{"addr":"3C6637","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118408,"usec":394788},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.910235,"noise_level":-21.205542,"freq_skew":2.014125,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118409,"usec":908932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.531458,"noise_level":-20.786697,"freq_skew":2.023566,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118409,"usec":926980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084586,"noise_level":-20.635862,"freq_skew":8.340478,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118412,"usec":993022},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.312787,"noise_level":-19.892868,"freq_skew":5.684844,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118413,"usec":758286},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186619,"noise_level":-20.240412,"freq_skew":2.733445,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118413,"usec":760339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761497,"noise_level":-21.187689,"freq_skew":8.345857,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118417,"usec":542617},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842614,"noise_level":-21.773911,"freq_skew":5.338712,"avlc":{"src":{"addr":"3CC1BE","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118419,"usec":872897},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046439,"noise_level":-21.953053,"freq_skew":2.081429,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60345,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[83,31,52,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118422,"usec":896592},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220108,"noise_level":-21.094566,"freq_skew":8.267208,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118422,"usec":897120},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830039,"noise_level":-21.086378,"freq_skew":5.837792,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118422,"usec":903352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239648,"noise_level":-21.639500,"freq_skew":3.872175,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48974,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[37,56,12,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118422,"usec":907924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261962,"noise_level":-21.576782,"freq_skew":5.532709,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118424,"usec":423746},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081084,"noise_level":-21.209707,"freq_skew":3.313571,"avlc":{"src":{"addr":"4B1900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118425,"usec":986665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832870,"noise_level":-20.565283,"freq_skew":-0.182600,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118425,"usec":990281},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088389,"noise_level":-20.509838,"freq_skew":4.155200,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48974,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[37,56,12,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118428,"usec":263987},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885733,"noise_level":-20.487803,"freq_skew":5.661527,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118430,"usec":554620},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898086,"noise_level":-19.816816,"freq_skew":2.532757,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60334,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[152,165,155,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118431,"usec":323058},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902223,"noise_level":-19.540598,"freq_skew":5.639245,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[129,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118432,"usec":67829},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230975,"noise_level":-19.401661,"freq_skew":5.748015,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":10,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[49,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":27,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118432,"usec":885132},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078730,"noise_level":-19.161770,"freq_skew":5.932518,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":10,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[142,155]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":27,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118433,"usec":623338},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652019,"noise_level":-19.114574,"freq_skew":4.126931,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48974,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[37,56,12,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118433,"usec":625728},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.629158,"noise_level":-20.190889,"freq_skew":8.184575,"avlc":{"src":{"addr":"4D0262","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":54832,"variable_part_params":[{"name":"checksum","value":[4,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118433,"usec":635718},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419870,"noise_level":-20.102551,"freq_skew":1.834634,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118436,"usec":660570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145263,"noise_level":-20.384195,"freq_skew":7.597949,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118438,"usec":193838},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046350,"noise_level":-20.357269,"freq_skew":3.339777,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118440,"usec":520067},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031408,"noise_level":-19.786547,"freq_skew":5.768316,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118441,"usec":253635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756664,"noise_level":-20.081696,"freq_skew":1.942921,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118441,"usec":266963},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915712,"noise_level":-20.220242,"freq_skew":2.274967,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60345,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[98,155,77,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118443,"usec":556575},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873109,"noise_level":-22.450340,"freq_skew":2.210730,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":43,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":43597,"variable_part_params":[{"name":"atn_checksum","value":[66,236,41,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118443,"usec":559387},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945519,"noise_level":-22.834387,"freq_skew":1.909733,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60345,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[98,155,77,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118444,"usec":302908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534584,"noise_level":-22.726719,"freq_skew":3.021789,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118444,"usec":314575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.611524,"noise_level":-22.596912,"freq_skew":5.890081,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118445,"usec":75192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.768406,"noise_level":-23.140333,"freq_skew":3.604372,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118445,"usec":75672},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.146451,"noise_level":-23.140333,"freq_skew":5.607268,"avlc":{"src":{"addr":"4D2519","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5880,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[118,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118445,"usec":77899},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508683,"noise_level":-23.115429,"freq_skew":3.048291,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43636,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[104,151,53,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":27,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118451,"usec":951020},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.176369,"noise_level":-22.204027,"freq_skew":4.288372,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22714117","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,70,72,89,0,75,152,79,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118452,"usec":706962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.451976,"noise_level":-22.004818,"freq_skew":8.506258,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118455,"usec":778484},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970501,"noise_level":-22.140728,"freq_skew":2.247977,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60345,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,13,168,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":27,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118457,"usec":292833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678243,"noise_level":-21.623011,"freq_skew":4.006193,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118459,"usec":575095},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.552127,"noise_level":-21.526796,"freq_skew":1.913856,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118464,"usec":189315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.845632,"noise_level":-23.508591,"freq_skew":2.096963,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118464,"usec":935796},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350924,"noise_level":-24.071671,"freq_skew":3.823771,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118466,"usec":456284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737181,"noise_level":-23.468485,"freq_skew":3.986565,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48983,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[73,231,63,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118466,"usec":456769},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.769339,"noise_level":-23.919554,"freq_skew":2.190570,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60345,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,161,222,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118468,"usec":33721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845854,"noise_level":-23.999180,"freq_skew":4.562899,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118469,"usec":537884},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.863925,"noise_level":-23.491249,"freq_skew":3.970391,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48983,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[73,231,63,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118469,"usec":543625},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763463,"noise_level":-24.114483,"freq_skew":2.082073,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60345,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,161,222,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118470,"usec":306869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687323,"noise_level":-24.605692,"freq_skew":3.965373,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118473,"usec":368948},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.273423,"noise_level":-23.961914,"freq_skew":5.384561,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48966,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[62,250,186,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118473,"usec":375879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261319,"noise_level":-23.866497,"freq_skew":2.205517,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118474,"usec":907426},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.688826,"noise_level":-23.151171,"freq_skew":4.101495,"avlc":{"src":{"addr":"4B984F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,70,72,89,0,75,152,79,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118475,"usec":667743},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639156,"noise_level":-23.055391,"freq_skew":3.904760,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118476,"usec":423891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356834,"noise_level":-22.880455,"freq_skew":5.619382,"avlc":{"src":{"addr":"4D2421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118477,"usec":178796},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943102,"noise_level":-22.641731,"freq_skew":5.478920,"avlc":{"src":{"addr":"3CC1BE","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118477,"usec":186083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790364,"noise_level":-22.583063,"freq_skew":3.571053,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABT","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BT1056","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118479,"usec":443499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.434077,"noise_level":-22.013458,"freq_skew":5.753941,"avlc":{"src":{"addr":"4D2421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118479,"usec":455514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012487,"noise_level":-21.883020,"freq_skew":3.608346,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118484,"usec":808122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171772,"noise_level":-22.361149,"freq_skew":4.599520,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118487,"usec":131129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705300,"noise_level":-22.282749,"freq_skew":4.686065,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43515,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[243,152,31,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118488,"usec":647141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321779,"noise_level":-21.799389,"freq_skew":1.815735,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118490,"usec":916106},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706120,"noise_level":-21.361380,"freq_skew":5.267648,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43515,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[243,152,31,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118494,"usec":13124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396230,"noise_level":-20.527378,"freq_skew":4.932299,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118494,"usec":782841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.720946,"noise_level":-21.852097,"freq_skew":4.943876,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118500,"usec":871520},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753549,"noise_level":-20.260616,"freq_skew":8.375891,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":17,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118503,"usec":172471},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184500,"noise_level":-21.895397,"freq_skew":3.716287,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118509,"usec":291083},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657012,"noise_level":-20.936131,"freq_skew":4.877136,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,148,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118510,"usec":794067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470801,"noise_level":-20.650639,"freq_skew":4.060804,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118518,"usec":442190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154376,"noise_level":-21.085445,"freq_skew":1.931528,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118519,"usec":956745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.481350,"noise_level":-22.488922,"freq_skew":3.668769,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118522,"usec":270191},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843090,"noise_level":-23.646175,"freq_skew":2.181097,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60356,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[92,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118523,"usec":35366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607125,"noise_level":-23.351875,"freq_skew":3.087033,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118526,"usec":56528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516862,"noise_level":-22.982435,"freq_skew":6.576507,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118529,"usec":163653},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265575,"noise_level":-21.844578,"freq_skew":2.787719,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43636,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[83,226,235,100]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":28,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118538,"usec":322562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959265,"noise_level":-22.074987,"freq_skew":5.679806,"avlc":{"src":{"addr":"4D2421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118542,"usec":902236},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756742,"noise_level":-21.151077,"freq_skew":3.692287,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48974,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,191,175,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118543,"usec":677377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.134205,"noise_level":-21.070232,"freq_skew":3.710829,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118550,"usec":542519},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573140,"noise_level":-20.977667,"freq_skew":5.408983,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR88BE","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118550,"usec":548430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020457,"noise_level":-20.919537,"freq_skew":4.340008,"avlc":{"src":{"addr":"4D215C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118550,"usec":550699},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426356,"noise_level":-21.657326,"freq_skew":4.322141,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHE","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR31NL","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118551,"usec":307686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108675,"noise_level":-21.808975,"freq_skew":5.255888,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118557,"usec":415535},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604681,"noise_level":-20.057331,"freq_skew":4.693470,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118558,"usec":938003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055151,"noise_level":-20.574167,"freq_skew":1.937501,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118564,"usec":300982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.221319,"noise_level":-19.286224,"freq_skew":5.564756,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118568,"usec":890358},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127399,"noise_level":-21.021694,"freq_skew":4.223797,"avlc":{"src":{"addr":"89605A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118574,"usec":202762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811024,"noise_level":-24.679316,"freq_skew":-0.282538,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118575,"usec":18760},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.208227,"noise_level":-24.300241,"freq_skew":3.633184,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJP","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH0850","msg_num":"M13","msg_num_seq":"A","msg_text":"00086209212GBII78T8TDFUD8G44H9JVPPX5HH6PPK91F,1129,78015X2X"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118576,"usec":541611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331438,"noise_level":-23.846884,"freq_skew":3.802992,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118576,"usec":547387},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.008218,"noise_level":-24.401789,"freq_skew":7.334748,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[31,76]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118577,"usec":288524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.647843,"noise_level":-24.146063,"freq_skew":3.842645,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118577,"usec":290162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213446,"noise_level":-24.104166,"freq_skew":5.825291,"avlc":{"src":{"addr":"4D2421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118581,"usec":124220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926093,"noise_level":-23.451897,"freq_skew":3.518390,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".4O-AOB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"YM0341","msg_num":"M50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118582,"usec":636380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443249,"noise_level":-22.828577,"freq_skew":3.579760,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118583,"usec":400754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892240,"noise_level":-23.746805,"freq_skew":3.576410,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118584,"usec":185774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383058,"noise_level":-23.295172,"freq_skew":2.760070,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118585,"usec":671384},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647567,"noise_level":-24.322765,"freq_skew":7.579770,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48888,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[94,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118587,"usec":202116},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545169,"noise_level":-24.878807,"freq_skew":2.614494,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIED","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH0882","msg_num":"D23","msg_num_seq":"I","sublabel":"DF","msg_text":"00250,070,019,051,010,010,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118587,"usec":222490},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781520,"noise_level":-24.796951,"freq_skew":7.625868,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":106,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":19,"dst_ref":48888,"variable_part_params":[{"name":"checksum","value":[0,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118589,"usec":533818},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240578,"noise_level":-23.759882,"freq_skew":3.872729,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32738,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,114,213,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118592,"usec":557314},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794980,"noise_level":-23.227024,"freq_skew":3.733776,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118597,"usec":934051},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598458,"noise_level":-21.757185,"freq_skew":3.364416,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LDZA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118599,"usec":436445},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910168,"noise_level":-21.331795,"freq_skew":3.503735,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24016070","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,84,78,0,80,28,56,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118601,"usec":754595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210755,"noise_level":-21.727293,"freq_skew":6.630653,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118602,"usec":527507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531236,"noise_level":-22.321568,"freq_skew":6.769263,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118602,"usec":534955},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580603,"noise_level":-22.242498,"freq_skew":-0.197468,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49020,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[113,90,26,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118602,"usec":536823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020824,"noise_level":-22.231258,"freq_skew":3.382019,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118603,"usec":291234},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649389,"noise_level":-23.607018,"freq_skew":-0.204399,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49020,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[228,249,21,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118603,"usec":291234},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.649389,"noise_level":-23.607018,"freq_skew":-0.204399,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":51,"dst_ref":49020,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[148,63,202,6]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118604,"usec":52976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529555,"noise_level":-23.963366,"freq_skew":4.476628,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118604,"usec":783480},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574436,"noise_level":-23.773537,"freq_skew":-0.342066,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118605,"usec":570538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461523,"noise_level":-24.228542,"freq_skew":4.539708,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118609,"usec":407458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550368,"noise_level":-23.705542,"freq_skew":3.836807,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118610,"usec":141586},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.500674,"noise_level":-24.331795,"freq_skew":3.877829,"avlc":{"src":{"addr":"502D88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118611,"usec":688073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669117,"noise_level":-24.373320,"freq_skew":4.684008,"avlc":{"src":{"addr":"48C239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118614,"usec":700298},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.691300,"noise_level":-24.008820,"freq_skew":5.299366,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118616,"usec":265489},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582055,"noise_level":-23.422709,"freq_skew":2.494931,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118617,"usec":26445},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168637,"noise_level":-23.118935,"freq_skew":1.892470,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"2","ack":"P","flight":"AA0715","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118617,"usec":33818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951971,"noise_level":-23.830894,"freq_skew":3.279020,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118617,"usec":787012},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697357,"noise_level":-23.670372,"freq_skew":4.463863,"avlc":{"src":{"addr":"4BCDA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMF","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XQ02XZ","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118619,"usec":304865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539689,"noise_level":-23.056412,"freq_skew":4.483696,"avlc":{"src":{"addr":"4BCDA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118620,"usec":71510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026140,"noise_level":-22.646368,"freq_skew":1.947456,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"2","ack":"P","flight":"AA0715","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118621,"usec":640797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.925786,"noise_level":-22.668629,"freq_skew":4.750427,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118625,"usec":422133},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361435,"noise_level":-21.427189,"freq_skew":3.204252,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118625,"usec":434352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112885,"noise_level":-21.325415,"freq_skew":2.072931,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"2","ack":"P","flight":"AA0715","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118627,"usec":704673},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354149,"noise_level":-21.976295,"freq_skew":2.978074,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118628,"usec":498790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027954,"noise_level":-21.824947,"freq_skew":4.780683,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118628,"usec":504442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.659862,"noise_level":-21.771526,"freq_skew":3.070221,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118629,"usec":266256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862113,"noise_level":-21.519587,"freq_skew":5.734190,"avlc":{"src":{"addr":"4D2421","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118630,"usec":26407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349195,"noise_level":-21.244625,"freq_skew":2.886382,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118630,"usec":788681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.813663,"noise_level":-20.987827,"freq_skew":3.208448,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTY","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"GS0000","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118631,"usec":552702},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247917,"noise_level":-20.653709,"freq_skew":2.947672,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118631,"usec":558533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.581300,"noise_level":-20.607010,"freq_skew":3.079730,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118632,"usec":295272},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.597548,"noise_level":-20.495947,"freq_skew":2.866932,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":8,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":2949,"dst_ref":0,"credit":4,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"checksum","value":[202,21]},{"name":"atn_checksum","value":[125,27,159,192]},{"name":"calling_transport_selector","value":[1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000},{"name":"version","value":1}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118633,"usec":830500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.477370,"noise_level":-20.789621,"freq_skew":2.987585,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118634,"usec":581011},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.440082,"noise_level":-20.586740,"freq_skew":6.791700,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118634,"usec":586509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328914,"noise_level":-20.531160,"freq_skew":5.308047,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118634,"usec":595712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.671645,"noise_level":-20.448452,"freq_skew":3.247725,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118635,"usec":344023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.060846,"noise_level":-20.321339,"freq_skew":2.865571,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118636,"usec":140218},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.836783,"noise_level":-20.142916,"freq_skew":3.147521,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":4,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118636,"usec":153752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.327289,"noise_level":-20.063805,"freq_skew":2.925308,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118639,"usec":936530},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.488610,"noise_level":-20.606070,"freq_skew":4.375186,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5312,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118642,"usec":224417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489244,"noise_level":-20.672897,"freq_skew":6.895974,"avlc":{"src":{"addr":"4BC8CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118642,"usec":225946},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.308407,"noise_level":-20.663519,"freq_skew":2.969430,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":4,"chan_num":5,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118646,"usec":812071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425223,"noise_level":-20.847551,"freq_skew":-0.248850,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118648,"usec":325306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171017,"noise_level":-20.399637,"freq_skew":4.287841,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118649,"usec":142991},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657226,"noise_level":-20.607883,"freq_skew":-0.198099,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":49027,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,235,147,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":30,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118649,"usec":896927},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785924,"noise_level":-20.387136,"freq_skew":-0.234926,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":113,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49027,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[211,89,21,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118650,"usec":653783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039814,"noise_level":-21.493938,"freq_skew":8.566965,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118651,"usec":423017},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.550096,"noise_level":-21.169939,"freq_skew":3.550667,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWC","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"4X066L","msg_num":"M02","msg_num_seq":"A","msg_text":"123051,11960,1601, 12,N 48.508 E 9.138"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118653,"usec":679827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.442032,"noise_level":-21.142885,"freq_skew":3.829746,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118655,"usec":216968},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184381,"noise_level":-20.651751,"freq_skew":1.775447,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"AA0715","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118656,"usec":13754},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.119355,"noise_level":-20.475655,"freq_skew":5.406837,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"LYTV"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":14.700000},"alt":21000}},{"name":"alternate_ground_stations","value":["263B57","26D478","224A77"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118656,"usec":772575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.246644,"noise_level":-20.213575,"freq_skew":1.931755,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"5","ack":"S","flight":"AA0715","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118666,"usec":695632},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831748,"noise_level":-20.548321,"freq_skew":1.289238,"avlc":{"src":{"addr":"3C4B23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYC","mode":"2","label":"_d","blk_id":"6","ack":"R","flight":"LH0499","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118668,"usec":211398},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575570,"noise_level":-20.982384,"freq_skew":4.254036,"avlc":{"src":{"addr":"4BCDA6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMF","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"XQ02XZ","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118672,"usec":40192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660894,"noise_level":-21.543140,"freq_skew":3.582609,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118674,"usec":305198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.533825,"noise_level":-20.997925,"freq_skew":3.245657,"avlc":{"src":{"addr":"3CD906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118678,"usec":933188},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794400,"noise_level":-19.976852,"freq_skew":1.647187,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":9.500000},"alt":108000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118683,"usec":523291},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238111,"noise_level":-20.947006,"freq_skew":5.350334,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNI","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SN05UC","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118684,"usec":273073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675848,"noise_level":-20.670540,"freq_skew":1.974075,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118685,"usec":31918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166927,"noise_level":-20.558664,"freq_skew":5.437093,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118685,"usec":799591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.307588,"noise_level":-20.582312,"freq_skew":7.552465,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118688,"usec":64448},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822053,"noise_level":-20.809641,"freq_skew":1.449615,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":9.500000},"alt":108000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118688,"usec":842454},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160886,"noise_level":-20.778301,"freq_skew":5.444262,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118688,"usec":842454},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.160886,"noise_level":-20.778301,"freq_skew":5.444262,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":504,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118689,"usec":625714},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706253,"noise_level":-20.740383,"freq_skew":1.522843,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-BFJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"QR8147","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118690,"usec":380050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335619,"noise_level":-22.175327,"freq_skew":5.487134,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118691,"usec":913988},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.171645,"noise_level":-21.530392,"freq_skew":3.698581,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"dst_airport","value":"LYTV"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":14.700000},"alt":21000}},{"name":"alternate_ground_stations","value":["263B57","26D478","224A77"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118692,"usec":667578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779112,"noise_level":-21.287842,"freq_skew":4.890796,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118696,"usec":523376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009851,"noise_level":-20.540106,"freq_skew":4.683457,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118698,"usec":786124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049699,"noise_level":-20.277081,"freq_skew":6.147865,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118701,"usec":63727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224798,"noise_level":-20.062159,"freq_skew":1.969057,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118707,"usec":194749},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785031,"noise_level":-18.295094,"freq_skew":1.975826,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"AA0715","msg_num":"F63","msg_num_seq":"A","sublabel":"M2","msg_text":"RESPWI/AC,091/TS123144,1507266DC0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118709,"usec":500557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214361,"noise_level":-19.174801,"freq_skew":5.400919,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118709,"usec":525449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531904,"noise_level":-20.075687,"freq_skew":8.489890,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118711,"usec":17288},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852056,"noise_level":-19.833752,"freq_skew":4.381832,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118711,"usec":799260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429998,"noise_level":-19.768742,"freq_skew":4.248398,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118713,"usec":311384},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138047,"noise_level":-20.015413,"freq_skew":3.802942,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":5}},{"name":"dst_airport","value":"LYTV"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":14.700000},"alt":21000}},{"name":"alternate_ground_stations","value":["263B57","26D478","224A77"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118714,"usec":54156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494915,"noise_level":-19.894440,"freq_skew":4.268826,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118717,"usec":132356},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356215,"noise_level":-20.896063,"freq_skew":-0.443342,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":114,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118717,"usec":135255},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.096718,"noise_level":-21.874569,"freq_skew":3.792883,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46731,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[237,171,251,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118717,"usec":905937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049555,"noise_level":-21.588324,"freq_skew":5.433719,"avlc":{"src":{"addr":"3CC1BE","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118717,"usec":913131},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.343738,"noise_level":-21.515627,"freq_skew":3.630306,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":20,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46731,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[97,75,246,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118723,"usec":259955},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958323,"noise_level":-21.446659,"freq_skew":3.338518,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118729,"usec":341812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927910,"noise_level":-21.103371,"freq_skew":-0.249497,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118729,"usec":352858},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810648,"noise_level":-21.798653,"freq_skew":1.542170,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"01520747","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,81,84,82,0,6,161,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118731,"usec":652717},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356424,"noise_level":-23.661552,"freq_skew":4.167388,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4150,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118733,"usec":167537},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147193,"noise_level":-23.720524,"freq_skew":2.568766,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118733,"usec":930278},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809909,"noise_level":-23.457607,"freq_skew":2.310656,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60334,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[199,250,148,241]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":32,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118736,"usec":218256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841507,"noise_level":-22.997402,"freq_skew":1.503264,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118737,"usec":16742},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143570,"noise_level":-22.731665,"freq_skew":4.391334,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKT","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"FR48VM","msg_num":"M84","msg_num_seq":"A","msg_text":"/LFOB.TI2/024LFOBA6967"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118739,"usec":293849},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904555,"noise_level":-22.358549,"freq_skew":5.280602,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118739,"usec":293849},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.904555,"noise_level":-22.358549,"freq_skew":5.280602,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43656,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[222,142,72,63]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118740,"usec":43701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873760,"noise_level":-22.166948,"freq_skew":3.718819,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".4O-AOB","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"YM0341","msg_num":"M51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118740,"usec":44225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381825,"noise_level":-22.166948,"freq_skew":5.360944,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118740,"usec":59931},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096588,"noise_level":-22.023230,"freq_skew":3.819077,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"24260227","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,77,78,69,0,81,96,151,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118741,"usec":574040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551631,"noise_level":-22.334806,"freq_skew":4.214426,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118742,"usec":323748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261106,"noise_level":-23.024588,"freq_skew":3.781617,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118742,"usec":340352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.986589,"noise_level":-22.829918,"freq_skew":2.951858,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118743,"usec":879986},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375384,"noise_level":-23.573692,"freq_skew":4.642890,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48918,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[183,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118743,"usec":895029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424449,"noise_level":-23.392103,"freq_skew":4.472278,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48918,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[201,68]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118744,"usec":642706},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.515453,"noise_level":-23.929741,"freq_skew":4.137426,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118744,"usec":651678},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860725,"noise_level":-23.821180,"freq_skew":3.351014,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118747,"usec":705844},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329563,"noise_level":-23.433609,"freq_skew":4.542875,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":48918,"variable_part_params":[{"name":"checksum","value":[82,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118749,"usec":996314},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690366,"noise_level":-22.775610,"freq_skew":-0.095231,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49027,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[56,154,70,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118750,"usec":8046},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783273,"noise_level":-24.065937,"freq_skew":2.184530,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118750,"usec":755107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256339,"noise_level":-23.873878,"freq_skew":2.547688,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118750,"usec":765905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679555,"noise_level":-23.739246,"freq_skew":6.440100,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118752,"usec":283366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206006,"noise_level":-23.145485,"freq_skew":2.723885,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118753,"usec":798744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.130116,"noise_level":-23.462826,"freq_skew":4.293431,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118757,"usec":636884},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065303,"noise_level":-22.198280,"freq_skew":2.962661,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":2951,"dst_ref":43672,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[136,135,167,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118758,"usec":420203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.128140,"noise_level":-21.880566,"freq_skew":2.006417,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118759,"usec":924128},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692044,"noise_level":-21.418503,"freq_skew":2.038619,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118760,"usec":689602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.883101,"noise_level":-21.297426,"freq_skew":3.135399,"avlc":{"src":{"addr":"493299","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118760,"usec":692733},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119040,"noise_level":-21.559193,"freq_skew":1.914345,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118760,"usec":694846},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893244,"noise_level":-22.043278,"freq_skew":3.085171,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49015,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,218,237,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118763,"usec":746920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852587,"noise_level":-21.371672,"freq_skew":2.009165,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118764,"usec":525865},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349632,"noise_level":-22.112812,"freq_skew":5.520085,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118765,"usec":263545},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333796,"noise_level":-22.024639,"freq_skew":2.034933,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118766,"usec":45554},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437146,"noise_level":-21.649063,"freq_skew":7.105800,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCC","mode":"2","label":"85","blk_id":"1","ack":"!","flight":"PC1621","msg_num":"M23","msg_num_seq":"A","msg_text":"PC1621/15JUL26 12:32:42,1337"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118767,"usec":556562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765256,"noise_level":-21.732471,"freq_skew":7.271313,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118767,"usec":563068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471936,"noise_level":-22.113714,"freq_skew":3.189540,"avlc":{"src":{"addr":"4D22BC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118769,"usec":837607},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466762,"noise_level":-21.279802,"freq_skew":4.679800,"avlc":{"src":{"addr":"48C239","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSQ","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR06RJ","msg_num":"M32","msg_num_seq":"A","msg_text":"123247,124012,1313, 99,N 48.834 E 12.839"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118770,"usec":579633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043040,"noise_level":-21.179731,"freq_skew":2.870896,"avlc":{"src":{"addr":"4243FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118774,"usec":427339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.654034,"noise_level":-20.427036,"freq_skew":3.689163,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118778,"usec":283206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031081,"noise_level":-21.064041,"freq_skew":0.532212,"avlc":{"src":{"addr":"3C4B2C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118781,"usec":321225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919638,"noise_level":-20.609535,"freq_skew":5.199669,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118782,"usec":61570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183830,"noise_level":-20.844185,"freq_skew":0.625535,"avlc":{"src":{"addr":"3C4B2C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118782,"usec":843132},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959785,"noise_level":-20.818024,"freq_skew":5.635858,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AZFA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"ZQ096E","msg_num":"M13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118785,"usec":150177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183449,"noise_level":-21.112986,"freq_skew":3.031153,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118786,"usec":665930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049562,"noise_level":-21.162710,"freq_skew":4.001106,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118789,"usec":720746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.393365,"noise_level":-20.175106,"freq_skew":3.086900,"avlc":{"src":{"addr":"3C658D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH05LY","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118790,"usec":453155},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029253,"noise_level":-20.570307,"freq_skew":5.360720,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-BFA","mode":"2","label":"B6","blk_id":"2","ack":"!","flight":"QR8235","msg_num":"F12","msg_num_seq":"A","msg_text":"/JEDAAYA.ADS.A7-BFA1422AA00365D07D01F109D0D230A403376C7D00131235AF030F987D00073C1","arinc622":{"msg_type":"adsc_msg","crc_ok":true,"gs_addr":"JEDAAYA","air_addr":".A7-BFA","adsc":{"tags":[{"wpt_change_event":{"lat":48.746338,"lon":9.556046,"alt":32000,"ts_sec":1988.125000,"pos_accuracy_nm":0.250000,"nav_redundancy":true,"tcas_avail":true}},{"predicted_route":{"next_wpt":{"lat":49.275055,"lon":9.046383,"alt":32000,"eta_sec":305},"next_next_wpt":{"lat":49.718285,"lon":8.608818,"alt":32000}}}],"err":false}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118790,"usec":458026},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.718124,"noise_level":-20.524052,"freq_skew":5.777443,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17015353","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,26,235,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118792,"usec":16029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043831,"noise_level":-20.100897,"freq_skew":5.437109,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118792,"usec":29176},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989038,"noise_level":-20.306812,"freq_skew":5.680858,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118793,"usec":540634},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571228,"noise_level":-21.390591,"freq_skew":1.051746,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XQ08FR","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118794,"usec":301004},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311763,"noise_level":-21.840729,"freq_skew":4.882519,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"LIBD"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118794,"usec":316292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063749,"noise_level":-21.691706,"freq_skew":1.131995,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118795,"usec":67946},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119895,"noise_level":-22.469604,"freq_skew":4.970061,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124221","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,145,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118795,"usec":818827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975998,"noise_level":-24.113543,"freq_skew":0.885332,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118795,"usec":819322},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.516636,"noise_level":-24.113543,"freq_skew":4.746437,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR83BZ","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118795,"usec":820052},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102844,"noise_level":-24.099607,"freq_skew":7.523568,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-FPAJ","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"GS0000","msg_num":"M19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118797,"usec":385292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135536,"noise_level":-23.404100,"freq_skew":4.833546,"avlc":{"src":{"addr":"4CAC66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118798,"usec":128544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677492,"noise_level":-23.641912,"freq_skew":4.925109,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118798,"usec":892424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374162,"noise_level":-23.417458,"freq_skew":2.626880,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118798,"usec":915413},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.873819,"noise_level":-23.138763,"freq_skew":4.903481,"avlc":{"src":{"addr":"4CA891","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118799,"usec":676325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351897,"noise_level":-22.878952,"freq_skew":5.360734,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118805,"usec":17878},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965771,"noise_level":-21.072098,"freq_skew":1.822345,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"KPHL"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.500000},"alt":37000}},{"name":"alternate_ground_stations","value":["10935A","1090BA","10911A","109CBA","1098FA","10981A","10910A","10F63A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118805,"usec":780401},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887552,"noise_level":-20.782177,"freq_skew":1.990064,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"AA0715","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118806,"usec":541282},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.140733,"noise_level":-20.510828,"freq_skew":2.590268,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60334,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[4,240,150,245]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118807,"usec":293795},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909004,"noise_level":-20.355616,"freq_skew":2.014682,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118808,"usec":57570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184458,"noise_level":-20.869596,"freq_skew":2.294439,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118808,"usec":66359},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.284404,"noise_level":-21.764524,"freq_skew":2.408474,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118808,"usec":823530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742080,"noise_level":-23.476019,"freq_skew":3.642446,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH01GN","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118811,"usec":895512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655845,"noise_level":-25.363104,"freq_skew":3.093903,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118811,"usec":900802},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948236,"noise_level":-25.314922,"freq_skew":1.918596,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118811,"usec":908135},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762118,"noise_level":-25.414806,"freq_skew":0.180924,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118813,"usec":410644},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831581,"noise_level":-25.758495,"freq_skew":3.023812,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":107,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118813,"usec":411890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889673,"noise_level":-25.741655,"freq_skew":0.340749,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118814,"usec":161405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726701,"noise_level":-26.470346,"freq_skew":1.733458,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118814,"usec":166924},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.004000,"noise_level":-26.361263,"freq_skew":1.834497,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":102,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,65,76,0,171,20,142],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118814,"usec":168255},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456893,"noise_level":-26.343216,"freq_skew":4.195128,"avlc":{"src":{"addr":"48C132","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118815,"usec":682969},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.321010,"noise_level":-25.876085,"freq_skew":4.797889,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118817,"usec":256330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119579,"noise_level":-24.831005,"freq_skew":2.061600,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118821,"usec":43185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330778,"noise_level":-23.805248,"freq_skew":4.048062,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118821,"usec":798773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209994,"noise_level":-23.488043,"freq_skew":3.521494,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118821,"usec":803644},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.116971,"noise_level":-23.372017,"freq_skew":2.324130,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60334,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[117,196,222,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118823,"usec":338670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840915,"noise_level":-22.588810,"freq_skew":1.961826,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118824,"usec":90250},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.403911,"noise_level":-22.403568,"freq_skew":2.447563,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118824,"usec":874227},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146635,"noise_level":-22.278465,"freq_skew":2.445126,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60334,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[117,196,222,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118824,"usec":875206},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.962353,"noise_level":-22.278465,"freq_skew":6.565882,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":46653,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[57,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118825,"usec":632759},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081734,"noise_level":-22.517811,"freq_skew":1.766649,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,65,65,76,0,171,20,142,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,67,72,0,1,83,83,1,1,69,83,90,72,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":104,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":20,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[155,149]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118825,"usec":635339},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.369369,"noise_level":-22.785074,"freq_skew":2.319624,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60334,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[202,145,17,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118825,"usec":635339},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.369369,"noise_level":-22.785074,"freq_skew":2.319624,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60334,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[79,241,137,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118825,"usec":646433},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342190,"noise_level":-22.595644,"freq_skew":4.580276,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118826,"usec":409006},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824232,"noise_level":-23.035213,"freq_skew":1.763946,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60363,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[244,123]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118826,"usec":419161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844937,"noise_level":-22.937218,"freq_skew":5.522889,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118827,"usec":920209},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980698,"noise_level":-23.997646,"freq_skew":1.874586,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118828,"usec":696853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461155,"noise_level":-23.412262,"freq_skew":4.705489,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118829,"usec":433611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.693224,"noise_level":-23.704836,"freq_skew":2.492488,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118830,"usec":201129},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.644130,"noise_level":-23.484976,"freq_skew":2.684393,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60334,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[79,241,137,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118830,"usec":211393},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765225,"noise_level":-23.343422,"freq_skew":1.785133,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118830,"usec":216579},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654696,"noise_level":-23.279837,"freq_skew":1.052568,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":370,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118831,"usec":763364},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005270,"noise_level":-22.860592,"freq_skew":6.349811,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":46653,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[146,72]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118831,"usec":767957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566210,"noise_level":-23.625145,"freq_skew":7.292901,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118832,"usec":536925},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878569,"noise_level":-23.200588,"freq_skew":0.259693,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYG","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH0498","msg_num":"M83","msg_num_seq":"A","msg_text":"01370209211G+K+27W2V0VT*6J4*YO2WWXTBV7H71YI+AIMEH:):17GH,+YH1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118833,"usec":290227},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.198069,"noise_level":-23.880215,"freq_skew":6.505887,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":19,"dst_ref":46653,"variable_part_params":[{"name":"checksum","value":[158,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118834,"usec":797580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.253509,"noise_level":-23.353403,"freq_skew":0.687675,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118835,"usec":558831},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.291930,"noise_level":-23.836229,"freq_skew":2.631389,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60334,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[3,241,123,15]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118836,"usec":319832},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.567522,"noise_level":-23.742870,"freq_skew":2.507614,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118836,"usec":333584},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756415,"noise_level":-23.570843,"freq_skew":1.379660,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-BFJ","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"QR8147","msg_num":"M49","msg_num_seq":"A","msg_text":"DF437 ,N 50.309,E 9.208,13008,0341,1253,028\\TS123353,150726"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118836,"usec":334724},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262973,"noise_level":-23.571819,"freq_skew":2.575896,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118837,"usec":872592},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.303379,"noise_level":-23.075222,"freq_skew":2.265378,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60334,"credit":5,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[62,49,12,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118840,"usec":931858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049816,"noise_level":-22.736532,"freq_skew":3.856935,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118841,"usec":668584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099977,"noise_level":-23.061737,"freq_skew":4.182904,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60322,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[198,11]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118842,"usec":441852},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155551,"noise_level":-22.604429,"freq_skew":4.350698,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43641,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[137,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":33,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118843,"usec":965670},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866972,"noise_level":-21.938925,"freq_skew":4.329525,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60322,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[243,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118848,"usec":548350},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404398,"noise_level":-20.908680,"freq_skew":4.697884,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWE","mode":"2","label":"_d","blk_id":"9","ack":"U","flight":"FR01BM","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118848,"usec":553111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300755,"noise_level":-21.098528,"freq_skew":4.279463,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118848,"usec":555614},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.760718,"noise_level":-21.200687,"freq_skew":1.951018,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54898,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[248,3,39,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118849,"usec":310565},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900733,"noise_level":-21.013224,"freq_skew":3.891493,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118852,"usec":397407},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018960,"noise_level":-21.129902,"freq_skew":3.930063,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43680,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[59,76]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":34,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118853,"usec":904048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705418,"noise_level":-22.041153,"freq_skew":1.927478,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"AA0715","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118855,"usec":426820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878437,"noise_level":-21.488163,"freq_skew":1.934516,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"AA0715","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118857,"usec":741018},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666438,"noise_level":-22.447533,"freq_skew":0.928823,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118858,"usec":494491},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469209,"noise_level":-22.327929,"freq_skew":0.707227,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[192,211,169,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118858,"usec":506505},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889300,"noise_level":-22.203903,"freq_skew":2.050365,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"AA0715","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118858,"usec":509215},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093790,"noise_level":-22.931961,"freq_skew":0.844977,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43600,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,242,138,172]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":34,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118860,"usec":26417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150018,"noise_level":-22.469711,"freq_skew":0.904795,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118860,"usec":31359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520394,"noise_level":-23.326817,"freq_skew":8.419058,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118861,"usec":541206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087236,"noise_level":-23.860306,"freq_skew":0.916043,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118863,"usec":75482},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748059,"noise_level":-24.568548,"freq_skew":1.981632,"avlc":{"src":{"addr":"AB148E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N813AN","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"AA0715","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118865,"usec":377129},"freq":136975000,"burst_len_octets":114,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529460,"noise_level":-23.675426,"freq_skew":3.286782,"avlc":{"src":{"addr":"040060","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ET-APS","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"ET3400","msg_num":"M83","msg_num_seq":"A","msg_text":"POSA1N48215E 10332,KUN-15 ,123301,339,KUN-18 ,123734,,-47, 81, 129,841"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118866,"usec":155927},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545085,"noise_level":-24.175585,"freq_skew":0.990416,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118870,"usec":707302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.305586,"noise_level":-23.027060,"freq_skew":7.639552,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"280497","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118871,"usec":463895},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802088,"noise_level":-22.760427,"freq_skew":0.960101,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[22,160,219,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118873,"usec":778983},"freq":136975000,"burst_len_octets":114,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.362034,"noise_level":-21.962715,"freq_skew":3.011201,"avlc":{"src":{"addr":"040060","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ET-APS","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"ET3400","msg_num":"M83","msg_num_seq":"A","msg_text":"POSA1N48215E 10332,KUN-15 ,123301,339,KUN-18 ,123734,,-47, 81, 129,841"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118878,"usec":345156},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686938,"noise_level":-21.445160,"freq_skew":4.780710,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48876,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[174,45,64,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118883,"usec":682551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933665,"noise_level":-20.838816,"freq_skew":4.778183,"avlc":{"src":{"addr":"4CAC66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118884,"usec":445474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.313649,"noise_level":-20.556454,"freq_skew":8.412317,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118891,"usec":308642},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712210,"noise_level":-21.552277,"freq_skew":5.243400,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43656,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[126,217,15,189]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":34,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118894,"usec":411970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056402,"noise_level":-21.544878,"freq_skew":5.346335,"avlc":{"src":{"addr":"06A07F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118899,"usec":776455},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058698,"noise_level":-20.243340,"freq_skew":5.498363,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118911,"usec":181168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.725909,"noise_level":-18.535700,"freq_skew":2.159715,"avlc":{"src":{"addr":"4070E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118915,"usec":779569},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666727,"noise_level":-17.435413,"freq_skew":0.234445,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":247,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118918,"usec":880192},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800301,"noise_level":-17.159935,"freq_skew":4.751416,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6349,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118919,"usec":646089},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782879,"noise_level":-18.590761,"freq_skew":1.722219,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062711","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,201,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118921,"usec":139960},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727904,"noise_level":-19.537567,"freq_skew":1.690468,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118924,"usec":179865},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818390,"noise_level":-18.811371,"freq_skew":4.702242,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6349,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118924,"usec":938039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435397,"noise_level":-18.631443,"freq_skew":0.250456,"avlc":{"src":{"addr":"3C4B27","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118924,"usec":939256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805761,"noise_level":-19.533880,"freq_skew":4.856009,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118924,"usec":941702},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810868,"noise_level":-20.188482,"freq_skew":4.751029,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118925,"usec":750490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071672,"noise_level":-19.917578,"freq_skew":4.799227,"avlc":{"src":{"addr":"4BC894","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118927,"usec":258033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.541502,"noise_level":-19.588341,"freq_skew":4.034503,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118928,"usec":34431},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442595,"noise_level":-20.612947,"freq_skew":4.028712,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057360","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,240,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118928,"usec":772103},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715029,"noise_level":-21.593382,"freq_skew":3.581517,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":8.900001},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118934,"usec":907201},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638972,"noise_level":-20.638271,"freq_skew":4.395860,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5317,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118935,"usec":654360},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800116,"noise_level":-21.588240,"freq_skew":3.692427,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118942,"usec":523447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.032416,"noise_level":-19.715286,"freq_skew":4.496489,"avlc":{"src":{"addr":"4CADEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118942,"usec":536912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690535,"noise_level":-19.606689,"freq_skew":4.597620,"avlc":{"src":{"addr":"4CAC66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118953,"usec":257051},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734877,"noise_level":-19.114603,"freq_skew":3.194882,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118954,"usec":771840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973173,"noise_level":-19.192707,"freq_skew":5.741830,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118955,"usec":528108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096848,"noise_level":-18.981586,"freq_skew":2.939731,"avlc":{"src":{"addr":"040060","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118957,"usec":45272},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585754,"noise_level":-18.537365,"freq_skew":3.306333,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118960,"usec":889985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793783,"noise_level":-19.102749,"freq_skew":7.557947,"avlc":{"src":{"addr":"3D70F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"280497","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118962,"usec":415175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683242,"noise_level":-23.432119,"freq_skew":3.070592,"avlc":{"src":{"addr":"3C4A04","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118963,"usec":159915},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253405,"noise_level":-24.418304,"freq_skew":2.159620,"avlc":{"src":{"addr":"7813F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-1128","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"CZ0332","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118963,"usec":933136},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943958,"noise_level":-25.414030,"freq_skew":2.190790,"avlc":{"src":{"addr":"7813F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118965,"usec":421593},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070655,"noise_level":-24.971870,"freq_skew":4.258965,"avlc":{"src":{"addr":"3C667A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118966,"usec":991905},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466445,"noise_level":-25.262245,"freq_skew":0.602368,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[82,2,85,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118966,"usec":998686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974372,"noise_level":-25.198799,"freq_skew":2.194416,"avlc":{"src":{"addr":"7813F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118970,"usec":796476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826246,"noise_level":-25.281954,"freq_skew":4.597698,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118972,"usec":315450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803103,"noise_level":-25.628704,"freq_skew":3.541816,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118973,"usec":874082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994118,"noise_level":-24.820599,"freq_skew":3.507477,"avlc":{"src":{"addr":"0D130D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..XACHG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0000","msg_num":"M97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118974,"usec":630060},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.879739,"noise_level":-24.523144,"freq_skew":7.982525,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"GS090U","msg_num":"206","msg_num_seq":"A","sublabel":"T2","msg_text":"0100rdr_26-6_00.z,sat_26-6_00.z"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118974,"usec":643024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909544,"noise_level":-24.392540,"freq_skew":2.300193,"avlc":{"src":{"addr":"7813F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118975,"usec":400045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147052,"noise_level":-24.268070,"freq_skew":3.548147,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118976,"usec":902420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311328,"noise_level":-25.290907,"freq_skew":3.518103,"avlc":{"src":{"addr":"0D130D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118976,"usec":914127},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449440,"noise_level":-25.101322,"freq_skew":4.605587,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":49074,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[123,58]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118978,"usec":434199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689995,"noise_level":-25.015257,"freq_skew":3.639644,"avlc":{"src":{"addr":"0D130D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118981,"usec":498378},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715462,"noise_level":-24.559849,"freq_skew":4.878395,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118982,"usec":269690},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818912,"noise_level":-24.116201,"freq_skew":3.160499,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.500000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118984,"usec":547855},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806185,"noise_level":-23.502327,"freq_skew":8.152301,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"0","ack":"C","flight":"GS090U","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118986,"usec":123779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553428,"noise_level":-23.883257,"freq_skew":3.337656,"avlc":{"src":{"addr":"3C4A04","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784118986,"usec":861778},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005512,"noise_level":-24.633045,"freq_skew":3.856776,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43680,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[176,34]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":36,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119001,"usec":370702},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710152,"noise_level":-22.759754,"freq_skew":7.890471,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"6","ack":"I","flight":"GS090U","msg_num":"M39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119002,"usec":128329},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536462,"noise_level":-22.807365,"freq_skew":8.131551,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"GS090U","msg_num":"M40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119004,"usec":424873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947576,"noise_level":-22.449345,"freq_skew":3.309135,"avlc":{"src":{"addr":"501C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119009,"usec":762624},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765738,"noise_level":-21.247999,"freq_skew":2.363632,"avlc":{"src":{"addr":"7813F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-1128","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"CZ0332","msg_num":"S38","msg_num_seq":"A","msg_text":"0E21236032S/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":12,"min":36,"sec":3}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119012,"usec":814479},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773120,"noise_level":-22.034605,"freq_skew":7.959089,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"GS090U","msg_num":"M48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119014,"usec":364660},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851906,"noise_level":-22.369059,"freq_skew":2.354510,"avlc":{"src":{"addr":"06A1E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119016,"usec":647232},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782623,"noise_level":-23.603321,"freq_skew":7.939711,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"GS090U","msg_num":"M51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119016,"usec":659684},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123322,"noise_level":-24.338713,"freq_skew":3.134870,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119018,"usec":147855},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979481,"noise_level":-23.919573,"freq_skew":1.086855,"avlc":{"src":{"addr":"3C4B2C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119018,"usec":149041},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695873,"noise_level":-24.668409,"freq_skew":5.109051,"avlc":{"src":{"addr":"3CC1BE","type":"Aircraft","status":"On ground"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119019,"usec":671497},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455181,"noise_level":-24.400194,"freq_skew":4.147736,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LIPX"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":10.500000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119022,"usec":764552},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952051,"noise_level":-23.493259,"freq_skew":3.628450,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH04RX","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119023,"usec":527945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397452,"noise_level":-23.137047,"freq_skew":3.267737,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119024,"usec":285325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477331,"noise_level":-24.058657,"freq_skew":1.231159,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119025,"usec":792431},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427682,"noise_level":-24.327925,"freq_skew":7.984581,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"5","ack":"E","flight":"GS090U","msg_num":"M58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119027,"usec":354997},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193367,"noise_level":-24.582273,"freq_skew":3.712116,"avlc":{"src":{"addr":"4852F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119031,"usec":153693},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771837,"noise_level":-24.677181,"freq_skew":3.979980,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHX","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR35MN","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119034,"usec":986341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853902,"noise_level":-23.824919,"freq_skew":3.946779,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHX","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR35MN","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119035,"usec":13},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029414,"noise_level":-23.664509,"freq_skew":3.964964,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119037,"usec":268718},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751501,"noise_level":-23.405922,"freq_skew":4.168252,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119038,"usec":16386},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724931,"noise_level":-23.870287,"freq_skew":8.099072,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"4","ack":"N","flight":"GS090U","msg_num":"M67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119038,"usec":18395},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.539717,"noise_level":-23.816208,"freq_skew":1.035571,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119039,"usec":549331},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627718,"noise_level":-23.932854,"freq_skew":4.190314,"avlc":{"src":{"addr":"4BCCAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.300000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119041,"usec":862205},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485053,"noise_level":-24.797474,"freq_skew":8.100404,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"GS090U","msg_num":"208","msg_num_seq":"A","sublabel":"T2","msg_text":"0283"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119042,"usec":649527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408562,"noise_level":-25.017223,"freq_skew":8.089385,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119043,"usec":381304},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979093,"noise_level":-25.556816,"freq_skew":8.014524,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"9","ack":"R","flight":"GS090U","msg_num":"M71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119044,"usec":145428},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665043,"noise_level":-26.070564,"freq_skew":3.769223,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.799999,"lon":8.600000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119044,"usec":914538},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240524,"noise_level":-26.148983,"freq_skew":3.648588,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119046,"usec":418994},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116313,"noise_level":-25.536394,"freq_skew":2.959637,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119046,"usec":418994},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.116313,"noise_level":-25.536394,"freq_skew":2.959637,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119046,"usec":435138},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558193,"noise_level":-25.293373,"freq_skew":3.186554,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119047,"usec":230704},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686010,"noise_level":-25.223066,"freq_skew":7.064568,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"X301VK","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119047,"usec":987520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065539,"noise_level":-25.484808,"freq_skew":3.212570,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119048,"usec":763895},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754760,"noise_level":-25.070210,"freq_skew":4.000875,"avlc":{"src":{"addr":"4BCCAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.300000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119050,"usec":253796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334683,"noise_level":-25.378572,"freq_skew":5.028107,"avlc":{"src":{"addr":"3C1AEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119051,"usec":9656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632546,"noise_level":-25.860483,"freq_skew":3.669725,"avlc":{"src":{"addr":"4CC576","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119051,"usec":23613},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627405,"noise_level":-25.542339,"freq_skew":3.736249,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":50,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119051,"usec":785859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906291,"noise_level":-25.251328,"freq_skew":5.504066,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119051,"usec":786776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875846,"noise_level":-25.235441,"freq_skew":5.168852,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SN05UC","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119052,"usec":539494},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.005397,"noise_level":-25.533075,"freq_skew":3.442534,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":8.600000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119053,"usec":342447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953700,"noise_level":-25.163309,"freq_skew":5.358320,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119053,"usec":355974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096222,"noise_level":-25.429455,"freq_skew":6.985674,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119054,"usec":88765},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853140,"noise_level":-25.364779,"freq_skew":3.654187,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH04RX","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119054,"usec":89691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028854,"noise_level":-25.348684,"freq_skew":6.270268,"avlc":{"src":{"addr":"4D2279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119054,"usec":853731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.666703,"noise_level":-25.470329,"freq_skew":3.889486,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119055,"usec":611037},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898819,"noise_level":-25.677738,"freq_skew":3.109741,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119056,"usec":394095},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.959212,"noise_level":-25.034191,"freq_skew":7.833655,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"4","ack":"W","flight":"GS090U","msg_num":"M76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119057,"usec":140086},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.580482,"noise_level":-25.461983,"freq_skew":3.714173,"avlc":{"src":{"addr":"0D130D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119058,"usec":671461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353381,"noise_level":-25.086937,"freq_skew":3.854547,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119059,"usec":400624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175848,"noise_level":-24.993828,"freq_skew":3.545025,"avlc":{"src":{"addr":"0D130D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119061,"usec":746560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087049,"noise_level":-24.888081,"freq_skew":4.036413,"avlc":{"src":{"addr":"4BCCAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119063,"usec":266131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874799,"noise_level":-25.092949,"freq_skew":3.414840,"avlc":{"src":{"addr":"3C658C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119065,"usec":531297},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609640,"noise_level":-25.345074,"freq_skew":2.348815,"avlc":{"src":{"addr":"4D2302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119066,"usec":294277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347612,"noise_level":-26.712250,"freq_skew":2.399656,"avlc":{"src":{"addr":"4D2302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119066,"usec":299212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.291638,"noise_level":-26.618694,"freq_skew":3.948728,"avlc":{"src":{"addr":"4BCCAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119066,"usec":307290},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568600,"noise_level":-26.489391,"freq_skew":4.878381,"avlc":{"src":{"addr":"4CA892","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":49087,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[17,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":37,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119067,"usec":35513},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722067,"noise_level":-26.471073,"freq_skew":5.239066,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43656,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[167,97,12,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119069,"usec":369403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388179,"noise_level":-25.635574,"freq_skew":7.072064,"avlc":{"src":{"addr":"4BB863","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119071,"usec":648124},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.227324,"noise_level":-24.749403,"freq_skew":3.732346,"avlc":{"src":{"addr":"4BCCAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43525,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[49,129]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":37,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119071,"usec":654514},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899876,"noise_level":-25.288551,"freq_skew":7.986024,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"GS090U","msg_num":"M80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119073,"usec":163002},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733090,"noise_level":-24.612932,"freq_skew":7.882709,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"GS090U","msg_num":"M81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119073,"usec":180011},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619117,"noise_level":-24.365353,"freq_skew":7.990051,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"GS090U","msg_num":"209","msg_num_seq":"A","sublabel":"T2","msg_text":"0284"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119075,"usec":490841},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705941,"noise_level":-24.338257,"freq_skew":0.652676,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[107,109,14,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119076,"usec":239070},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613514,"noise_level":-24.767321,"freq_skew":0.412527,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43600,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,125,141,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":7,"day":15},"time":{"hour":12,"min":37,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119077,"usec":12093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423799,"noise_level":-25.269871,"freq_skew":0.600937,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119081,"usec":606093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988226,"noise_level":-24.729038,"freq_skew":3.688300,"avlc":{"src":{"addr":"717C92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119083,"usec":136920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093702,"noise_level":-25.258488,"freq_skew":5.650447,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119084,"usec":639384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943647,"noise_level":-25.303667,"freq_skew":7.986101,"avlc":{"src":{"addr":"4D0280","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLL","mode":"2","label":"_d","blk_id":"6","ack":"K","flight":"GS090U","msg_num":"M87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119088,"usec":483304},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337153,"noise_level":-25.322136,"freq_skew":2.360305,"avlc":{"src":{"addr":"4D2302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3146,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119090,"usec":13673},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806932,"noise_level":-25.336048,"freq_skew":0.393889,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119090,"usec":752619},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647832,"noise_level":-25.646505,"freq_skew":0.658061,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":382,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[22,7,114,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119091,"usec":526025},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549142,"noise_level":-26.004425,"freq_skew":0.542046,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119092,"usec":267415},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792071,"noise_level":-25.866802,"freq_skew":0.665500,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[77,138,243,81]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43600,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[77,138,243,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119093,"usec":842402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554711,"noise_level":-26.747425,"freq_skew":0.493263,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119095,"usec":348556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670517,"noise_level":-26.489733,"freq_skew":3.281157,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119096,"usec":117624},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.851714,"noise_level":-26.130539,"freq_skew":4.599271,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43641,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119096,"usec":887070},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019518,"noise_level":-25.486471,"freq_skew":7.014536,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54874,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[216,13]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119100,"usec":711748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089407,"noise_level":-25.070572,"freq_skew":3.331819,"avlc":{"src":{"addr":"516097","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119102,"usec":226808},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130285,"noise_level":-24.367884,"freq_skew":4.577826,"avlc":{"src":{"addr":"3009B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119102,"usec":234271},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652110,"noise_level":-24.296370,"freq_skew":0.693537,"avlc":{"src":{"addr":"4BCE01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1784119106,"usec":28747},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589768,"noise_level":-23.514252,"freq_skew":3.816731,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}