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Author Topic: French VHF Low Band Networks 35 MHz / 36 MHz Logs 14 August 2024  (Read 848 times)

Offline R4002

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G8JNJ remote SDR receiver
Location: SW UK
Grid: IO80QR



Start time: 1215 UTC
End time: 1230 UTC

Most of the logs are part of the DDE ePMR network.  Mobile transmit (repeater input) is +4.4 MHz.  DDE network frequency coverage is 35.0000 MHz to 36.2375 MHz in 12.5 kHz spacing, so mobile input (mobile TX) is 39.4000 MHz to 40.6375 MHz.


35.2125 MHz NFM - French language, YL dispatcher with end of transmission "chirp" sel call bursts
35.2750 MHz NFM - Digital bursts, various duration, could be signaling or digital voice
35.2875 MHz NFM - Weak NFM voice chatter
35.3000 MHz NFM - FM carrier for 1-2 seconds, followed by series of DTMF bursts (control data?)
35.3125 MHz NFM - French language, YL dispatcher with end of transmission "chirp" sel call bursts
35.3125 MHz NFM - Long duration data bursts, MFSK
35.3375 MHz NFM - French language, YL dispatcher with end of transmission "chirp" sel call bursts
35.3500 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.3875 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.4000 MHz NFM - Paging, POCSAG pager signals (fair to weak)
35.4125 MHz NFM - Digital bursts, possible digital voice
35.4375 MHz NFM - French language - YL dispatcher (weak)
35.4500 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.4625 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.4750 MHz NFM - French language dispatch (analog FM chatter)
35.4875 MHz NFM - Weak NFM voice comms
35.5000 MHz NFM - Military wide deviation FM comms, very distorted with 150 Hz hum
35.5125 MHz NFM - French chatter, busy, selcal tone bursts, DTMF tones, "chirpy" data bursts
35.5375 MHz NFM - DTMF sel call bursts
35.5500 MHz NFM - Unique data signal, probably not part of the DDE ePMR network, could be military
35.5500 MHz NFM - Paging signals (sporadic) POCSAG paging pager signals
35.5750 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.6000 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.6000 MHz NFM - Military wide FM voice chatter, unknown user
35.6125 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.6250 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.6500 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.7000 MHz NFM - Military comms, encrypted
35.7000 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.7125 MHz NFM - French language chatter, same signal heard on 35.925 MHz FM
35.7125 MHz NFM - YL dispatcher talking to OMs, with end of transmission tone (single short DTMF tone)
35.7500 MHz NFM - Data bursts, long single tone bursts and analog voice activity
35.7875 MHz NFM - Digital bursts, various duration, could be signaling or digital voice
35.8000 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.8750 MHz NFM - Multi tone selective calling (selcall) and data bursts
35.9000 MHz NFM - Wideband data, likely encrypted military radio comms (secure voice)
35.9125 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
35.9250 MHz NFM - Very busy, FM voice, selcal bursts
35.9625 MHz NFM - French comms, dispatcher with end of transmission bursts
35.9750 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
36.0000 MHz NFM - Data burst, followed by long single tone bursts
36.0125 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
36.0625 MHz NFM - Data bursts, MDC1200-like "squawk", FM carriers off/on, French language chatter
36.1375 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
36.1375 MHz NFM - French language comms, same signals heard on 35.9375 MHz for a few seconds
36.1500 MHz NFM - Signaling, selcal data / DTMF tones, French language comms
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m

 

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