{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411962,"usec":162411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.478315,"noise_level":-14.363030,"freq_skew":6.736734,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411963,"usec":663923},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.884604,"noise_level":-14.968228,"freq_skew":4.577353,"avlc":{"src":{"addr":"407698","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":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24791,"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":[142,95,52,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411966,"usec":747095},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941628,"noise_level":-15.220022,"freq_skew":4.483958,"avlc":{"src":{"addr":"4D20FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","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":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":41911,"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":[207,26,29,124]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411967,"usec":492334},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071396,"noise_level":-15.160112,"freq_skew":4.560578,"avlc":{"src":{"addr":"4D20FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"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":41911,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[142,221,34,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411968,"usec":261618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355713,"noise_level":-15.096154,"freq_skew":4.390173,"avlc":{"src":{"addr":"4D20FF","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":"2.3.0-1cc5ea7"},"t":{"sec":1769411977,"usec":391859},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035462,"noise_level":-15.448643,"freq_skew":1.722418,"avlc":{"src":{"addr":"4B194C","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":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":8.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411977,"usec":400570},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175987,"noise_level":-16.315271,"freq_skew":5.816277,"avlc":{"src":{"addr":"4D227E","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":1282,"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":"2.3.0-1cc5ea7"},"t":{"sec":1769411978,"usec":158631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333138,"noise_level":-16.289555,"freq_skew":1.759014,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769411979,"usec":701761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232322,"noise_level":-16.087929,"freq_skew":1.561332,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769411981,"usec":983056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164071,"noise_level":-16.533319,"freq_skew":5.901133,"avlc":{"src":{"addr":"4D227E","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":"2.3.0-1cc5ea7"},"t":{"sec":1769411992,"usec":668019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059854,"noise_level":-15.511084,"freq_skew":1.467812,"avlc":{"src":{"addr":"4B194C","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":69,"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":33563,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[40,86,166,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769411993,"usec":436283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623136,"noise_level":-15.786038,"freq_skew":1.677442,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412010,"usec":210351},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858005,"noise_level":-16.594961,"freq_skew":5.570642,"avlc":{"src":{"addr":"4D251A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":19966,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[162,46]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412010,"usec":953733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039452,"noise_level":-16.554703,"freq_skew":1.509369,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412014,"usec":783826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.828298,"noise_level":-16.036509,"freq_skew":2.323088,"avlc":{"src":{"addr":"AE0502","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412016,"usec":311730},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120987,"noise_level":-15.852858,"freq_skew":4.679530,"avlc":{"src":{"addr":"4D20FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","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":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412017,"usec":51798},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075712,"noise_level":-16.109974,"freq_skew":4.537326,"avlc":{"src":{"addr":"4D20FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"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":24778,"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":[225,61,69,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412020,"usec":124996},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.182561,"noise_level":-15.794202,"freq_skew":5.991445,"avlc":{"src":{"addr":"48C233","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":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":24849,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[183,201]}]}],"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":[1,3,27,1,4768307,0]}},"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":"RYR441A","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,194,51],"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":[72,194,51],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LIME","destination_airport":"LKPR"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412021,"usec":648144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260025,"noise_level":-16.124340,"freq_skew":6.104548,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412022,"usec":419967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763931,"noise_level":-16.464369,"freq_skew":6.147233,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412023,"usec":918774},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.889953,"noise_level":-17.334620,"freq_skew":6.293322,"avlc":{"src":{"addr":"48C233","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":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":5554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15,"dst_ref":24849,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[247,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412025,"usec":431678},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.155154,"noise_level":-17.665312,"freq_skew":6.061049,"avlc":{"src":{"addr":"48C233","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-RSU","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR441A","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412025,"usec":446533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386320,"noise_level":-17.559736,"freq_skew":6.229227,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412026,"usec":988057},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.928394,"noise_level":-17.848200,"freq_skew":1.654838,"avlc":{"src":{"addr":"4B194C","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":4,"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":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24746,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[28,30,175,42]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":24746,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,227,0,80]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":1,"day":26},"time":{"hour":7,"min":20,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412027,"usec":757034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112929,"noise_level":-17.614082,"freq_skew":1.473634,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412028,"usec":512560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208876,"noise_level":-17.463600,"freq_skew":6.009534,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412029,"usec":272333},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.420336,"noise_level":-17.492760,"freq_skew":6.144482,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412030,"usec":35300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.368399,"noise_level":-17.306042,"freq_skew":3.009618,"avlc":{"src":{"addr":"3C6650","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412031,"usec":535930},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331886,"noise_level":-17.115862,"freq_skew":1.327379,"avlc":{"src":{"addr":"4B194C","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":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":24746,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,115,76,183]}]}],"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":1,"day":26},"time":{"hour":7,"min":20,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412032,"usec":301824},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.583092,"noise_level":-18.153263,"freq_skew":6.087511,"avlc":{"src":{"addr":"48C233","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":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":"2.3.0-1cc5ea7"},"t":{"sec":1769412032,"usec":305045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916547,"noise_level":-18.132221,"freq_skew":1.495704,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412033,"usec":71037},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.211907,"noise_level":-17.924561,"freq_skew":6.598169,"avlc":{"src":{"addr":"48C233","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":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5558,"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":[[71,0,39,65,82,89,82,0,72,194,51]]}]},{"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":[71,0,39,65,82,89,82,0,72,194,51]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412034,"usec":610690},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.315523,"noise_level":-17.962399,"freq_skew":1.763825,"avlc":{"src":{"addr":"4B194C","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":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":73,"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":61,"dst_ref":24746,"variable_part_params":[{"name":"atn_checksum","value":[72,27,227,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412034,"usec":622201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656405,"noise_level":-17.887157,"freq_skew":6.134773,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412035,"usec":383647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.682277,"noise_level":-17.971174,"freq_skew":5.676849,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412036,"usec":883342},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827763,"noise_level":-17.707041,"freq_skew":1.577843,"avlc":{"src":{"addr":"4B194C","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":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":73,"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":61,"dst_ref":24746,"variable_part_params":[{"name":"atn_checksum","value":[72,27,227,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412036,"usec":900170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340606,"noise_level":-17.600960,"freq_skew":6.092937,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412037,"usec":644389},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008865,"noise_level":-18.491932,"freq_skew":5.049128,"avlc":{"src":{"addr":"4CAE54","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":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":3065,"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":"2.3.0-1cc5ea7"},"t":{"sec":1769412039,"usec":969861},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029735,"noise_level":-18.221447,"freq_skew":1.500709,"avlc":{"src":{"addr":"4B194C","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-JPC","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"LX01PM","msg_num":"M21","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412039,"usec":971784},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929623,"noise_level":-18.575558,"freq_skew":4.152225,"avlc":{"src":{"addr":"3E47B2","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":4,"chan_num":0,"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":4,"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":"2.3.0-1cc5ea7"},"t":{"sec":1769412039,"usec":974351},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035338,"noise_level":-18.560827,"freq_skew":1.555147,"avlc":{"src":{"addr":"4B194C","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":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":73,"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":61,"dst_ref":24746,"variable_part_params":[{"name":"atn_checksum","value":[72,27,227,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412042,"usec":238179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.548185,"noise_level":-18.773220,"freq_skew":3.884778,"avlc":{"src":{"addr":"3E47B2","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412043,"usec":756591},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872709,"noise_level":-18.382421,"freq_skew":1.438162,"avlc":{"src":{"addr":"4B194C","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-JPC","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"LX01PM","msg_num":"M21","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412043,"usec":756591},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.872709,"noise_level":-18.382421,"freq_skew":1.438162,"avlc":{"src":{"addr":"4B194C","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":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":73,"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":61,"dst_ref":24746,"variable_part_params":[{"name":"atn_checksum","value":[72,27,227,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412048,"usec":355388},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.271278,"noise_level":-17.606596,"freq_skew":4.659606,"avlc":{"src":{"addr":"407698","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":".G-VJAM","mode":"2","label":"_d","blk_id":"3","ack":"W","flight":"VS0303","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412049,"usec":864482},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255050,"noise_level":-17.343157,"freq_skew":5.930589,"avlc":{"src":{"addr":"48C233","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":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":5560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24850,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[25,66]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412052,"usec":874293},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.631391,"noise_level":-17.344902,"freq_skew":4.462869,"avlc":{"src":{"addr":"407698","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":".G-VJAM","mode":"2","label":"_d","blk_id":"3","ack":"W","flight":"VS0303","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412054,"usec":441088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509271,"noise_level":-17.463053,"freq_skew":1.394612,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412055,"usec":193823},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124154,"noise_level":-18.031195,"freq_skew":1.654151,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPC","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"LX01PM","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412055,"usec":968287},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030599,"noise_level":-17.778698,"freq_skew":4.654202,"avlc":{"src":{"addr":"407698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-VJAM","mode":"2","label":"31","blk_id":"4","ack":"!","flight":"VS0303","msg_num":"M54","msg_num_seq":"A","msg_text":"N 49.211,E  11.550\r\n38004, 147,VIDP,2601"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412055,"usec":968287},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.030599,"noise_level":-17.778698,"freq_skew":4.654202,"avlc":{"src":{"addr":"407698","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":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24791,"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":[142,95,52,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412057,"usec":469114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183610,"noise_level":-18.065210,"freq_skew":4.435221,"avlc":{"src":{"addr":"407698","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412058,"usec":229507},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943517,"noise_level":-17.961559,"freq_skew":1.616632,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPC","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"LX01PM","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412059,"usec":786370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.649445,"noise_level":-18.097046,"freq_skew":5.096154,"avlc":{"src":{"addr":"48AE83","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412062,"usec":78470},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123245,"noise_level":-17.458294,"freq_skew":1.650715,"avlc":{"src":{"addr":"4B194C","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":".HB-JPC","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"LX01PM","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412065,"usec":864580},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.717820,"noise_level":-16.889612,"freq_skew":4.265324,"avlc":{"src":{"addr":"4B1819","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDH","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"LX04YM","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412066,"usec":670790},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.006674,"noise_level":-16.709349,"freq_skew":6.143641,"avlc":{"src":{"addr":"48C233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24850,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[17,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412071,"usec":213581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.546951,"noise_level":-17.825382,"freq_skew":5.884326,"avlc":{"src":{"addr":"48C233","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412072,"usec":710203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820801,"noise_level":-17.631458,"freq_skew":1.358396,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412076,"usec":544384},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921214,"noise_level":-18.543865,"freq_skew":1.426907,"avlc":{"src":{"addr":"4B194C","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":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":74,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":63,"dst_ref":26125,"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":[11,105,216,105]}]}],"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":"2.3.0-1cc5ea7"},"t":{"sec":1769412076,"usec":564212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.757728,"noise_level":-18.412645,"freq_skew":4.435560,"avlc":{"src":{"addr":"4D20FF","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412077,"usec":305374},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148568,"noise_level":-18.756119,"freq_skew":1.331385,"avlc":{"src":{"addr":"4B194C","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":4,"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":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26124,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[221,155,232,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412077,"usec":305374},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.148568,"noise_level":-18.756119,"freq_skew":1.331385,"avlc":{"src":{"addr":"4B194C","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":5,"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":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":62,"dst_ref":26124,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[204,38,95,253]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412078,"usec":56778},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748765,"noise_level":-19.992477,"freq_skew":1.353142,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","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":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":74,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":26125,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,232,199,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":1,"day":26},"time":{"hour":7,"min":21,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1769412078,"usec":826696},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180506,"noise_level":-20.246098,"freq_skew":1.642750,"avlc":{"src":{"addr":"4B194C","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":"2.3.0-1cc5ea7"},"t":{"sec":1769412080,"usec":388754},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541288,"noise_level":-19.784969,"freq_skew":5.651485,"avlc":{"src":{"addr":"4D251A","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":0,"retry":0}},{"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":"2.3.0-1cc5ea7"},"t":{"sec":1769412081,"usec":151641},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490427,"noise_level":-20.255856,"freq_skew":5.742551,"avlc":{"src":{"addr":"4D251A","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":254,"calling_addr":"23222432","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":[71,0,39,65,82,89,82,0,77,37,26,0,0,0,0,0,0,0,1,0]}}}}}