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Author Topic: 33.400 MHz Russian Military Tactical Datalink AKKORD [G8JNJ SDR] 23 Feb 2024  (Read 409 times)

Offline R4002

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AKKORD data link 9.6 kbps 9600bps targeting information for air defense (coming in basically daily at this point).  Via the G8JNJ SDR, tune in time 1344 UTC, writing this at 1345 UTC. 

Frequency 33.4 MHz
Bandwidth approx. 25-30 kHz
FSK variable speed air defense system data link.  Radar site tactical datalink to command center (control center) for possible

S-300 air defense system (NATO reporting name: SA-10 Grumble)
S-400 air defense system (NATO reporting name: SA-21 Growler)

Noting similar data stream signal on 33.500 MHz at the same time, as well as the usual Asian fishermen yakking away Asian fishery radio chatter on:

29.8250 MHz FM
29.8750 MHz FM
29.9625 MHz FM
29.9750 MHz FM
30.1250 MHz FM
33.1000 MHz FM
33.4375 MHz FM
33.5625 MHz FM - with US LMR fire rescue dispatch on 33.560 MHz FM
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m