{"id":7768,"date":"2026-07-11T12:57:08","date_gmt":"2026-07-11T12:57:08","guid":{"rendered":"https:\/\/blog.dh8wr.com\/?p=7768"},"modified":"2026-07-11T13:54:21","modified_gmt":"2026-07-11T13:54:21","slug":"high-frequency-data-link-hfdl","status":"publish","type":"post","link":"https:\/\/blog.dh8wr.com\/index.php\/2026\/07\/11\/high-frequency-data-link-hfdl\/","title":{"rendered":"High Frequency Data Link (HFDL)"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Frequency data:<br \/>\nFlight ID: CSN509<br \/>\nLat: 57.0218983<br \/>\nLon: 17.2241921<br \/>\nTime: 12:03:20<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0<br \/>\nHeard on: 15025.0<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 21937.0, 17919.0, 13324.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 6565.0, 5514.0<br \/>\nHeard on:<br \/>\nGS ID: Al Muharraq, Bahrain<br \/>\nListening on: 21982.0, 17967.0, 13312.0, 10030.0, 8885.0, 6646.0, 5544.0, 2986.0<br \/>\nHeard on:<br \/>\nGS ID: Agana, Guam<br \/>\nListening on: 21928.0, 17919.0, 13312.0, 11306.0, 8927.0, 6652.0, 5451.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 21931.0, 17919.0, 13276.0, 11387.0, 8912.0, 6661.0, 5652.0<br \/>\nHeard on:<br \/>\nGS ID: Shannon, Ireland<br \/>\nListening on: 10081.0, 6532.0, 5547.0<br \/>\nHeard on: 10081.0<\/p>\n<p>&nbsp;<\/p>\n<p>Downlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 780B45<br \/>\nFrequency data:<br \/>\nFlight ID: CCA973<br \/>\nLat: 57.6481202<br \/>\nLon: 39.8670575<br \/>\nTime: 13:43:24<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 17928.0, 13303.0, 8948.0, 6529.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 17985.0, 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0<br \/>\nHeard on:<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 21937.0, 17919.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 6565.0, 5514.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 21931.0, 17919.0, 13276.0, 11387.0, 8912.0, 6661.0, 5652.0<br \/>\nHeard on:<br \/>\nGS ID: Al Muharraq, Bahrain<br \/>\nListening on: 21982.0, 17967.0, 13312.0, 10030.0, 8885.0, 6646.0, 5544.0, 2986.0<br \/>\nHeard on:<br \/>\nGS ID: Agana, Guam<br \/>\nListening on: 21928.0, 17919.0, 13312.0, 11306.0, 8927.0, 6652.0, 5451<\/p>\n<p>[2026-07-11 13:45:33 UTC] [0.0 kHz] [11.6 Hz] [-14.8\/-25.4 dBFS] [10.6 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1547 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Barrow, Alaska<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 10093.0<br \/>\nID: Muan, South Korea<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21931.0, 13342.0<\/p>\n<p>[2026-07-11 13:46:00 UTC] [0.0 kHz] [11.6 Hz] [-13.5\/-25.3 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 255<br \/>\nType: Logon confirm<br \/>\nICAO: 4BB721<br \/>\nAssigned AC ID: 150<\/p>\n<p>[2026-07-11 13:46:00 UTC] [0.0 kHz] [11.6 Hz] [-13.5\/-25.3 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 96<br \/>\nType: Unnumbered data<br \/>\nEnveloped data:<br \/>\nACARS:<br \/>\nReassembly: skipped<br \/>\nReg: .5Y-CYB<br \/>\nMode: 2 Label: _d Blk id: G More: 0 Ack: 7<\/p>\n<p>[2026-07-11 13:46:03 UTC] [0.0 kHz] [5.2 Hz] [-14.6\/-25.3 dBFS] [10.8 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 780D23<br \/>\nFrequency data:<br \/>\nFlight ID: CES289<br \/>\nLat: 61.3601329<br \/>\nLon: 63.0386410<br \/>\nTime: 13:45:58<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 21955.0, 17928.0, 13303.0, 11348.0, 8948.0, 6529.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 21937.0, 17919.0, 13324.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 5514.0<br \/>\nHeard on:<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 17985.0, 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 21931.0, 17919.0, 13276.0, 11387.0, 8912.0, 6661.0, 5652.0<br \/>\nHeard on:<br \/>\nGS ID: Al Muharraq, Bahrain<br \/>\nListening on: 21982.0, 17967.0, 13312.0, 10030.0, 8885.0, 6646.0, 5544.0, 2986.0<br \/>\nHeard on:<br \/>\nGS ID: Agana, Guam<br \/>\nListening on: 21928.0, 17919.0, 13312.0, 11306.0, 8927.0, 6652.0, 5451.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:46:05 UTC] [0.0 kHz] [11.7 Hz] [-14.5\/-25.3 dBFS] [10.8 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1548 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Albrook, Panama<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 10063.0<br \/>\nID: Santa Cruz, Bolivia<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21997.0, 17916.0<\/p>\n<p>[2026-07-11 13:46:08 UTC] [0.0 kHz] [-6.7 Hz] [-14.4\/-25.3 dBFS] [10.9 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 150 (4BB721)<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Unnumbered ack&#8217;ed data<br \/>\nEnveloped data:<br \/>\nACARS:<br \/>\nReassembly: skipped<br \/>\nReg: .TC-MYA Flight: XA1208<br \/>\nMode: 2 Label: Q0 Blk id: 5 More: 0 Ack: ! Msg num: S35A<\/p>\n<p>[2026-07-11 13:46:32 UTC] [0.0 kHz] [5.2 Hz] [-13.5\/-25.3 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 8960FA<br \/>\nFrequency data:<br \/>\nFlight ID: UAE7V<br \/>\nLat: 28.3976524<br \/>\nLon: 33.8630178<br \/>\nTime: 13:46:28<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 17928.0, 13303.0, 6529.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 21937.0, 17919.0, 13324.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 6565.0, 5514.0<br \/>\nHeard on:<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 17985.0, 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 21931.0, 17919.0, 13276.0, 11387.0, 8912.0, 6661.0, 5652.0<br \/>\nHeard on:<br \/>\nGS ID: Al Muharraq, Bahrain<br \/>\nListening on: 21982.0, 17967.0, 13312.0, 10030.0, 8885.0, 6646.0, 5544.0, 2986.0<br \/>\nHeard on:<br \/>\nGS ID: Agana, Guam<br \/>\nListening on: 21928.0, 17919.0, 13312.0, 11306.0, 8927.0, 6652.0, 5451.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:46:37 UTC] [0.0 kHz] [11.6 Hz] [-13.4\/-25.3 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1549 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Krasnoyarsk, Russia<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 13321.0<br \/>\nID: Al Muharraq, Bahrain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21982.0, 17967.0<\/p>\n<p>[2026-07-11 13:46:42 UTC] [0.0 kHz] [9.5 Hz] [-14.6\/-25.2 dBFS] [10.7 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 781E1F<br \/>\nFrequency data:<br \/>\nFlight ID: CSN345<br \/>\nLat: 61.8359791<br \/>\nLon: 52.1467059<br \/>\nTime: 13:46:36<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 21955.0, 17928.0, 13303.0, 11348.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Shannon, Ireland<br \/>\nListening on: 10081.0, 8942.0<br \/>\nHeard on:<br \/>\nGS ID: Hat Yai, Thailand<br \/>\nListening on: 21949.0, 13270.0, 6535.0, 5655.0<br \/>\nHeard on:<br \/>\nGS ID: Muan, South Korea<br \/>\nListening on: 21931.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 13276.0, 8912.0<br \/>\nHeard on:<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 15025.0, 11184.0, 5720.0<br \/>\nHeard on: 15025.0<\/p>\n<p>[2026-07-11 13:46:59 UTC] [0.0 kHz] [7.0 Hz] [-15.6\/-25.2 dBFS] [9.6 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 780B45<br \/>\nFrequency data:<br \/>\nFlight ID: CCA973<br \/>\nLat: 57.5059843<br \/>\nLon: 39.0894300<br \/>\nTime: 13:46:56<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 17928.0, 8948.0, 6529.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 17985.0, 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0<br \/>\nHeard on:<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 21937.0, 17919.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 6565.0, 5514.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 21931.0, 17919.0, 13276.0, 11387.0, 8912.0, 6661.0, 5652.0<br \/>\nHeard on:<br \/>\nGS ID: Al Muharraq, Bahrain<br \/>\nListening on: 21982.0, 17967.0, 13312.0, 10030.0, 8885.0, 6646.0, 5544.0, 2986.0<br \/>\nHeard on:<br \/>\nGS ID: Agana, Guam<br \/>\nListening on: 21928.0, 17919.0, 13312.0, 11306.0, 8927.0, 6652.0, 5451.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:47:07 UTC] [0.0 kHz] [-0.6 Hz] [-11.8\/-25.2 dBFS] [13.4 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon request (DLS)<br \/>\nICAO: 02A1A4<br \/>\nFrequency data:<br \/>\nFlight ID: BJ0722<br \/>\nLat: 42.6352742<br \/>\nLon: 3.8744047<br \/>\nTime: 13:46:42<\/p>\n<p>[2026-07-11 13:47:09 UTC] [0.0 kHz] [11.7 Hz] [-14.1\/-25.9 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1550 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Agana, Guam<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21928.0, 11306.0, 6652.0<br \/>\nID: San Francisco, California<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21934.0, 17919.0<\/p>\n<p>[2026-07-11 13:47:34 UTC] [0.0 kHz] [-6.5 Hz] [-15.1\/-25.8 dBFS] [10.7 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 96<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Unnumbered data<br \/>\nPerformance data:<br \/>\nVersion: 3<br \/>\nFlight ID: KQ0520<br \/>\nLat: 9.8290059<br \/>\nLon: -10.4521379<br \/>\nTime: 13:47:30<br \/>\nFlight leg: 65<br \/>\nGS ID: Canarias, Spain<br \/>\nFrequency: 17928.0<br \/>\nFrequency search count:<br \/>\nThis leg: 10<br \/>\nPrev leg: 505<br \/>\nHFDL disabled duration:<br \/>\nThis leg: 0 sec<br \/>\nPrev leg: 0 sec<br \/>\nMPDUs received : 300 bps: 83 600 bps: 4 1200 bps: 0 1800 bps: 0<br \/>\nMPDUs received with errors : 300 bps: 5 600 bps: 0 1200 bps: 0 1800 bps: 0<br \/>\nMPDUs transmitted : 300 bps: 22 600 bps: 16 1200 bps: 3 1800 bps: 0<br \/>\nMPDUs delivered : 300 bps: 21 600 bps: 13 1200 bps: 3 1800 bps: 0<br \/>\nSPDUs received: 110<br \/>\nSPDUs missed: 0<br \/>\nLast frequency change cause: 7 (No change)<\/p>\n<p>[2026-07-11 13:47:41 UTC] [0.0 kHz] [11.6 Hz] [-14.7\/-25.8 dBFS] [11.2 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1551 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Molokai, Hawaii<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 11348.0, 10027.0, 8936.0<br \/>\nID: Reykjavik, Iceland<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 15025.0, 11184.0, 5720.0<\/p>\n<p>[2026-07-11 13:48:06 UTC] [0.0 kHz] [-7.1 Hz] [-15.6\/-25.8 dBFS] [10.2 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 150 (4BB721)<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Unnumbered ack&#8217;ed data<br \/>\nEnveloped data:<br \/>\nACARS:<br \/>\nReassembly: skipped<br \/>\nReg: .TC-MYA Flight: XA1208<br \/>\nMode: 2 Label: Q0 Blk id: 6 More: 0 Ack: ! Msg num: S36A<\/p>\n<p>[2026-07-11 13:48:11 UTC] [0.0 kHz] [-0.6 Hz] [-11.9\/-25.8 dBFS] [13.9 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon request (DLS)<br \/>\nICAO: 02A1A4<br \/>\nFrequency data:<br \/>\nFlight ID: BJ0722<br \/>\nLat: 42.7197317<br \/>\nLon: 3.7480617<br \/>\nTime: 13:47:46<\/p>\n<p>[2026-07-11 13:48:13 UTC] [0.0 kHz] [11.5 Hz] [-15.6\/-26.8 dBFS] [11.3 dB] [300 bps] [S]<br \/>\nUplink SPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nSquitter: ver: 0 rls: 0 iso: 0<br \/>\nChange note: None<br \/>\nTDMA Frame: index: 1552 offset: 12<br \/>\nMinimum priority: 0<br \/>\nSystem table version: 52<br \/>\nGround station status:<br \/>\nID: Canarias, Spain<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 21955.0, 17928.0<br \/>\nID: Riverhead, New York<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 13276.0, 8912.0<br \/>\nID: Auckland, New Zealand<br \/>\nUTC sync: 1<br \/>\nFrequencies in use: 10084.0, 6535.0<\/p>\n<p>[2026-07-11 13:48:23 UTC] [0.0 kHz] [11.3 Hz] [-15.5\/-26.8 dBFS] [11.3 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 255<br \/>\nType: Logoff request<br \/>\nICAO: 34764A<br \/>\nReason: 6 (Other)<\/p>\n<p>[2026-07-11 13:48:23 UTC] [0.0 kHz] [11.3 Hz] [-15.5\/-26.8 dBFS] [11.3 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 255<br \/>\nType: Logon confirm<br \/>\nICAO: 018057<br \/>\nAssigned AC ID: 146<\/p>\n<p>[2026-07-11 13:48:23 UTC] [0.0 kHz] [11.3 Hz] [-15.5\/-26.8 dBFS] [11.3 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 255<br \/>\nType: Logon confirm<br \/>\nICAO: 02A1A4<br \/>\nAssigned AC ID: 122<\/p>\n<p>[2026-07-11 13:48:23 UTC] [0.0 kHz] [11.3 Hz] [-15.5\/-26.8 dBFS] [11.3 dB] [300 bps] [S]<br \/>\nUplink LPDU:<br \/>\nSrc GS: Canarias, Spain<br \/>\nDst AC: 150 (4BB721)<br \/>\nType: Unnumbered data<br \/>\nEnveloped data:<br \/>\nACARS:<br \/>\nReassembly: skipped<br \/>\nReg: .TC-MYA<br \/>\nMode: 2 Label: _d Blk id: L More: 0 Ack: 6<\/p>\n<p>[2026-07-11 13:48:28 UTC] [0.0 kHz] [5.0 Hz] [-14.6\/-26.8 dBFS] [12.2 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 71BD79<br \/>\nFrequency data:<br \/>\nFlight ID: AAR511<br \/>\nLat: 42.4402665<br \/>\nLon: 30.0274087<br \/>\nTime: 13:48:18<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 17928.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Muan, South Korea<br \/>\nListening on: 21931.0, 17958.0, 13342.0<br \/>\nHeard on: 13342.0<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 13324.0, 11348.0, 10027.0, 8936.0<br \/>\nHeard on:<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 15025.0, 11184.0, 5720.0<br \/>\nHeard on:<br \/>\nGS ID: Hat Yai, Thailand<br \/>\nListening on: 21949.0, 13270.0, 5655.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:48:38 UTC] [0.0 kHz] [-1.5 Hz] [-14.8\/-26.8 dBFS] [11.9 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 896623<br \/>\nFrequency data:<br \/>\nFlight ID: UAE72N<br \/>\nLat: 36.2690282<br \/>\nLon: 14.8205849<br \/>\nTime: 13:48:34<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 21955.0, 13303.0, 11348.0, 8948.0<br \/>\nHeard on: 21955.0<br \/>\nGS ID: Shannon, Ireland<br \/>\nListening on: 10081.0, 8942.0<br \/>\nHeard on:<br \/>\nGS ID: Hat Yai, Thailand<br \/>\nListening on: 21949.0, 13270.0, 6535.0, 5655.0<br \/>\nHeard on:<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 13324.0, 11348.0, 10027.0, 8936.0<br \/>\nHeard on:<br \/>\nGS ID: Muan, South Korea<br \/>\nListening on: 21931.0, 17958.0, 13342.0, 10060.0<br \/>\nHeard on:<br \/>\nGS ID: Riverhead, New York<br \/>\nListening on: 13276.0, 8912.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:48:40 UTC] [0.0 kHz] [10.2 Hz] [-15.1\/-26.8 dBFS] [11.6 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon resume<br \/>\nICAO: 781642<br \/>\nFrequency data:<br \/>\nFlight ID: CCA597<br \/>\nLat: 61.0576650<br \/>\nLon: 65.2650934<br \/>\nTime: 13:48:34<br \/>\nGS ID: Canarias, Spain<br \/>\nListening on: 21955.0, 17928.0<br \/>\nHeard on: 17928.0<br \/>\nGS ID: Hat Yai, Thailand<br \/>\nListening on: 21949.0, 13270.0, 5655.0<br \/>\nHeard on:<br \/>\nGS ID: Muan, South Korea<br \/>\nListening on: 21931.0, 17958.0<br \/>\nHeard on:<br \/>\nGS ID: Molokai, Hawaii<br \/>\nListening on: 13324.0, 11348.0, 10027.0, 8936.0<br \/>\nHeard on:<br \/>\nGS ID: Reykjavik, Iceland<br \/>\nListening on: 15025.0, 11184.0, 5720.0<br \/>\nHeard on:<\/p>\n<p>[2026-07-11 13:48:55 UTC] [0.0 kHz] [-6.7 Hz] [-14.4\/-26.7 dBFS] [12.4 dB] [300 bps] [D]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 96<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Unnumbered ack&#8217;ed data<br \/>\nEnveloped data:<br \/>\nACARS:<br \/>\nReassembly: skipped<br \/>\nReg: .5Y-CYB Flight: KQ0520<br \/>\nMode: 2 Label: 16 Blk id: 9 More: 0 Ack: ! Msg num: M81A<br \/>\nMessage:<br \/>\n11\/134625\/LAT N09.762\/LON W 10.335\/ALT 35992\/9900<\/p>\n<p>[2026-07-11 13:48:55 UTC] [0.0 kHz] [-6.7 Hz] [-14.4\/-26.7 dBFS] [12.4 dB] [300 bps] [D]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 96<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Unnumbered data<br \/>\nPerformance data:<br \/>\nVersion: 3<br \/>\nFlight ID: KQ0520<br \/>\nLat: 9.9148367<br \/>\nLon: -10.6145298<br \/>\nTime: 13:48:48<br \/>\nFlight leg: 65<br \/>\nGS ID: Canarias, Spain<br \/>\nFrequency: 17928.0<br \/>\nFrequency search count:<br \/>\nThis leg: 10<br \/>\nPrev leg: 505<br \/>\nHFDL disabled duration:<br \/>\nThis leg: 0 sec<br \/>\nPrev leg: 0 sec<br \/>\nMPDUs received : 300 bps: 85 600 bps: 4 1200 bps: 0 1800 bps: 0<br \/>\nMPDUs received with errors : 300 bps: 5 600 bps: 0 1200 bps: 0 1800 bps: 0<br \/>\nMPDUs transmitted : 300 bps: 24 600 bps: 16 1200 bps: 3 1800 bps: 0<br \/>\nMPDUs delivered : 300 bps: 23 600 bps: 13 1200 bps: 3 1800 bps: 0<br \/>\nSPDUs received: 113<br \/>\nSPDUs missed: 0<br \/>\nLast frequency change cause: 7 (No change)<\/p>\n<p>[2026-07-11 13:49:05 UTC] [0.0 kHz] [-0.6 Hz] [-13.0\/-26.7 dBFS] [13.7 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon request (DLS)<br \/>\nICAO: 02A1A4<br \/>\nFrequency data:<br \/>\nFlight ID: BJ0722<br \/>\nLat: 42.8086525<br \/>\nLon: 3.6292718<br \/>\nTime: 13:48:48<\/p>\n<p>[2026-07-11 13:49:08 UTC] [0.0 kHz] [-13.0 Hz] [-15.7\/-27.4 dBFS] [11.8 dB] [300 bps] [S]<br \/>\nDownlink LPDU:<br \/>\nSrc AC: 255<br \/>\nDst GS: Canarias, Spain<br \/>\nType: Logon request (DLS)<br \/>\nICAO: 4D22C2<br \/>\nFrequency data:<br \/>\nFlight ID: LW95KV<br \/>\nLat: 48.5438701<br \/>\nLon: 14.3014799<br \/>\nTime: 13:48:50<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Frequency data: Flight ID: CSN509 Lat: 57.0218983 Lon: 17.2241921 Time: 12:03:20 GS ID: Reykjavik, Iceland Listening on: 15025.0, 11184.0, 8977.0, 6712.0, 5720.0, 3900.0 Heard on: 15025.0 GS ID: Molokai, Hawaii Listening on: 21937.0, 17919.0, 13324.0, 13312.0, 13276.0, 11348.0, 11312.0, 10027.0, 8936.0, 8912.0, 6565.0, 5514.0 Heard on: GS ID: Al Muharraq, Bahrain Listening on: 21982.0, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[189,29],"tags":[190],"class_list":["post-7768","post","type-post","status-publish","format-standard","hentry","category-hfdl","category-monitoring","tag-hfdl"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/posts\/7768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/comments?post=7768"}],"version-history":[{"count":3,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/posts\/7768\/revisions"}],"predecessor-version":[{"id":7777,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/posts\/7768\/revisions\/7777"}],"wp:attachment":[{"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/media?parent=7768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/categories?post=7768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.dh8wr.com\/index.php\/wp-json\/wp\/v2\/tags?post=7768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}