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Author Topic: VHF Low Band Logs DX [Via UK Receiver] 25 July 2023  (Read 610 times)

Offline R4002

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VHF Low Band Logs DX [Via UK Receiver] 25 July 2023
« on: July 25, 2023, 1814 UTC »
Tuned in at 1749 UTC, 1849 local receiver time.

29.7050 MHz FM - FSK signal, very strong, constant signal
29.7400 MHz FM - FM carrier signal, deep fades
29.7450 MHz FM - Russian YL - probably a taxi cab dispatcher? Russian land mobile comms 29.7450 MHz FM
29.7750 MHz FM - UNID two way comms, narrow FM (not military level deviation) - very weak
29.8000 MHz FM - POCSAG paging signals - pager POCSAG, various signal strengths
29.8250 MHz FM - Asian fishery radio comms fishing radio networks 29.825 MHz FM CSQ
29.8500 MHz FM - POCSAG paging signals - pager POCSAG 29.850 MHz
29.8750 MHz FM - Asian fishery radio comms fishing radio networks 29.875 MHz FM CSQ very busy
29.9000 MHz FM - UNID carrier, weak FM voice heard - UNID two-way radio system? LMR radio?
29.9000 MHz FM - POCSAG paging signals - pager POCSAG 29.900 MHz
29.9250 MHz FM - Weak FM comms, sounds like Asian fishery chatter - 29.925 MHz Asian fishery radio networks 29.9250 MHz FM CSQ
29.9450 MHz FM - FM-CW OTH Radar over the horizon radar, approx 50-60 kHz wide, very strong
30.0000 MHz FM - Strong FM carrier
30.1000 MHz FM - POCSAG paging signals, sporadic but usually pretty strong 30.100 MHz paging
30.1050 MHz FM - FSK / MFSK signals - unique data signals noted on this frequency previously
30.1250 MHz FM - Military radio comms, nice wide FM deviation, UNID source (brief transmissions)
30.3750 MHz FM - Military radio comms, Arabic?
30.5000 MHz FM - UNID language, pretty wide FM, could be military comms
30.6500 MHz FM - POCSAG paging signals
30.8750 MHz FM - UNID data signals - MFSK, sporadic
30.8750 MHz FM - Asian fishery radio comms - very weak Asian fishing fleet radio chatter 30MHz
30.9000 MHz FM - Strong pager - POCSAG - previously logged during VHF low band openings
30.9000 MHz FM - UNID land mobile comms, sounds like US land mobile (FM deviation too narrow for military)
31.0000 MHz FM - Asian fishery radio comms fishing radio networks 31.000 MHz FM CSQ
31.0000 MHz FM - Odd MFSK data signal, reminds me of the RCRS data signals often seen on 27 MHz - nearly constant signal!
31.1000 MHz FM - Asian fishery radio comms fishing radio networks 31.100 MHz FM CSQ
31.1200 MHz FM - Weak FM comms, possibly US lowband VHF land mobile radio
31.1500 MHz FM - Military comms - very strong signals, wide FM deviation...Australian accents 31.150MHz FM
31.1625 MHz FM - Narrow band FM, UNID source
31.1750 MHz FM - MFSK signal, similar to signal noted on 30.105 MHz and other frequencies
31.1775 MHz FM - MFSK signal - offset frequency? 31.178 MHz 31.177 MHz - frequent bursts
31.1800 MHz FM - POCSAG paging signals 31.18 MHz pager
31.2000 MHz FM - POCSAG paging signals - 31.2 MHz pager
31.3200 MHz FM - POCSAG paging signals - strong signals mixing with EPAR data on 31.325 MHz
31.3250 MHz FM - French EPAR traffic light control data network MFSK signals, mixing with 31.32 MHz pager signals
31.3875 MHz FM - French EPAR traffic light control data network MFSK signals
31.4200 MHz FM - POCSAG paging signals, strong pager 31.42 MHz
31.4375 MHz FM - French EPAR traffic light control data network MFSK signals
31.4750 MHz FM - Asian fishery radio comms fishing radio networks 31.475 MHz FM CSQ
31.5750 MHz FM - FM carrier - with "chirp"
31.6875 MHz FM - French EPAR traffic light control data network MFSK signals
31.7250 MHz FM - POCSAG paging signals - UK hospital paging networks
31.7500 MHz FM - POCSAG paging signals - UK hospital paging networks
31.7600 MHz FM - Tail end of a two-way FM signal, 31.76 MHz - not paging signal
31.7750 MHz FM - POCSAG paging signals - UK hospital paging networks
31.8200 MHz FM - 20 kHz wide MFSK data signal ??? - not 31.825 MHz
31.9750 MHz FM - French EPAR traffic light control data network MFSK signals
32.0000 MHz FM - FSK data bursts
32.1000 MHz FM - Wide data signal - constant MFSK data - 20 kHz wide - very similar to the signal on 31.82 MHz
32.6250 MHz FM - Encrypted military comms
32.2750 MHz FM - Military encrypted comms - tell-tale bandwidth (similar to military FM, but data, obviously two-way comms)
32.5500 MHz FM - Over the horizon radar buzzer - 100 kHz wide, very strong
32.7500 MHz FM - Paging - POCSAG pager signals, sporadic
33.0000 MHz FM - FSK data bursts
33.0750 MHz FM - FM carrier - "chirper"
33.1750 MHz FM - Asian fishery radio comms fishing radio networks 33.175 MHz FM CSQ
33.8400 MHz FM - US LMR Fire Rescue paging, caught the tail end of a dispatch tone out transmission
33.9000 MHz FM - Asian fishery radio comms fishing radio networks 33.900 MHz FM CSQ
34.1500 MHz FM - UNID military comms, heavy fading
34.4000 MHz FM - Italian???
35.0000 MHz FM - Military FM comms, heavily distorted, unable to ID (wide FM deviation)
35.3375 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.4000 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.4250 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.4375 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.5000 MHz FM - Paging signals - POCSAG pager
35.5125 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.5500 MHz FM - POCAG paging signals - POCSAG pager
35.5625 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.7375 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.9000 MHz FM - POCSAG paging signals, mixing in with French DDE ePMR voice/data
35.9125 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.9500 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
35.9625 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
36.0250 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
36.1000 MHz FM - DDE French ePMR system - land mobile Autoroute analog VHF low band trunking with selcall tone bursts
36.6500 MHz FM - Encrypted military comms
36.9000 MHz FM - FM carrier, faded up quickly and then faded right back down into the noise
37.1200 MHz FM - Data bursts, previously monitored US based SCADA system on 37.12 MHz FM
37.5000 MHz FM - FM carrier, likely related to a land mobile system, carrier fading in and out
37.5020 MHz FM - FSK signal, center frequency 37.502 MHz.  37.500 MHz USB mode
« Last Edit: July 25, 2023, 1835 UTC by R4002 »
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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