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⬅️ Previous capture (2022-06-12)
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USAF/USN SATCOMM CHANNELS V.3. 1990
Compiled By Nigel Ballard
28 Maxwell Road,
Winton, Bournemouth,
Dorset, BH9 1DL.
THE FOLLOWING IS A LIST OF KNOWN USA/USAF FLEETSATCOM
DOWNLINK TRANSPONDERS,KNOWN TO USE FM VOICE IN THE CLEAR.
FREQUENCY CHANNEL NAME/NUMBER STATIONS HEARD CALLING
261.4500 BRAVO YANKEE CH 01 'CAPE RADIO TO STINKER ONE CHARLIE'
261.4750 BRAVO YANKEE CH 02 dvp traffic
261.5000 BRAVO YANKEE CH 03 'ANDY ONE' and 'BLUE FALCON'
261.5250 BRAVO YANKEE CH 04
261.5500 BRAVO YANKEE CH 05 'DRAGON EOC TO EIGHT ALPHA''STATE OPS'
261.5750 BRAVO YANKEE CH 06 'CALLING FORMAT'
261.6000 BRAVO YANKEE CH 07 'TANGO EIGHT IN THE PLANE TO ROMEO 4'
261.6250 BRAVO YANKEE CH 08
261.6500 BRAVO YANKEE CH 09 'STATION FOUR THIS IS STATION THREE'
261.6750 BRAVO YANKEE CH 10 'DRAGON EOC TO KILO TWENTY-TWO ALPHA'
261.7000 BRAVO YANKEE CH 11
261.7250 BRAVO YANKEE CH 12 'TAILPIPE CHARLIE THREE IN THE CLEAR'
261.7500 BRAVO YANKEE CH 13 'WATERLOO THIS IS FORMAT''TAC COMMAND'
261.7750 BRAVO YANKEE CH 14
261.8000 BRAVO YANKEE CH 15 'CALLING BIG TOP'
261.8250 BRAVO YANKEE CH 16 'LOOKIE-LOOKIE THIS IS OUTWAY 25'
261.8500 BRAVO YANKEE CH 17
261.8750 BRAVO YANKEE CH 18
261.9000 BRAVO YANKEE CH 19 'DRAGON EOC'
261.9250 BRAVO YANKEE CH 20 dvp traffic
261.9500 BRAVO YANKEE CH 21
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265.2500 FLEET RELAY WHISKEY CH 08
265.3500 FLEET RELAY ALPHA/XRAY CH 08
265.4500 FLEET RELAY BRAVO/YANKEE CH 08
265.5500 FLEET RELAY CHARLIE/ZULU CH 08
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266.8500 FLEET RELAY ALPHA CH 09 dvp traffic
266.9500 FLEET RELAY BRAVO CH 09
267.0500 FLEET RELAY CHARLIE CH 09
268.2500 FLEET RELAY ALPHA CH 10
268.3500 FLEET RELAY BRAVO CH 10
268.4500 FLEET RELAY CHARLIE CH 10 dvp traffic
269.7500 FLEET RELAY ALPHA CH 11
269.8500 FLEET RELAY BRAVO CH 11 'FOREIGN VOICE TELEPHONE LINKS'
269.9500 FLEET RELAY CHARLIE CH 11 'HAMBURG TAC CONTROL TO HARDTOOTH'
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262.2000 USED IN PLAIN SPEECH DURING THE BUSH 89 VISIT TO THE UK.
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TAC = TACTICAL AIR COMMAND
DVP = DIGITAL VOICE PROTECTION. This is now an increasingly common way to
allow voice amnd data traffic to be passed with reasonable short-term security. A good receiver will always identify DVP traffic from electrical inteference by picking out the sync pulses that pass at either the end or start of each burst of secure traffic (it sounds like white noise).