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Author Topic: VHF Low Band Logs 3 Feb 2024 G8JNJ SDR 1415-1455 UTC  (Read 403 times)

Offline R4002

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VHF Low Band Logs 3 Feb 2024 G8JNJ SDR 1415-1455 UTC
« on: February 03, 2024, 1454 UTC »

Some quick low band VHF logs - G8JNJ SDR.  1415 UTC to 1455 UTC 3 February 2024


29.7500 MHz FM - OTH Radar - 60 kHz bandwidth 60kHz BW
29.8000 MHz FM - POCSAG paging signals - see also: 29.900 MHz FM
29.8500 MHz FM - Strong OTH Radar with "horn" sound in FM mode, 50-60 kHz bandwidth
29.8550 MHz FM - Taxi cab dispatch, Russian language Russian YL taxi cab dispatch 29.855 MHz FM
29.9000 MHz FM - POCSAG paging signals - well known pager frequency, see also: 29.8 MHz
29.9150 MHz FM - Taxi cab dispatcher - Russia Russian YL taxi cab lady 29.915MHz FM
29.9250 MHz FM - Asian fishery radio chatter, fisheries comms 29.925 MHz FM [CSQ]
29.9550 MHz FM - Russian taxi cab dispatch, heavy fading
29.9650 MHz FM - Taxi cab dispatch, Russian language Russia taxi cab company comms 29.965 MHz FM
29.9950 MHz FM - Carrier signal
30.0000 MHz FM - Carrier signal - not a chirper
30.0200 MHz FM - POCSAG paging signals on waterfall, likely Canadian hospital pagers 30.020 MHz FM
30.0250 MHz FM - Military FM signals noted, short transmissions
30.1000 MHz FM - UNID FM comms - possibly Asian fishery radio chatter 30.100 MHz FM CSQ
30.1550 MHz FM - MFSK data bursts
30.1750 MHz FM - Data bursts
30.2250 MHz FM - Asian fishery radio chatter, fisheries comms 30.225 MHz FM [CSQ]
30.2500 MHz FM - OTH Radar, 50 kHz bandwidth
30.3750 MHz FM - Weak military FM comms, unable to ID
30.4000 MHz FM - Asian fishery radio chatter fisheries comms 30.400 MHz FM [CSQ] 30.4 MHz FM
30.5500 MHz FM - Military FM tactical comms (clear voice), very heavy fading
30.5500 MHz FM - Data signals - 14-16 kHz wide, could be secure voice military comms
30.5750 MHz FM - Military FM tactical comms, tell-tale wide FM deviation
30.6400 MHz FM - US LMR business radio - dispatcher talking to mobiles
30.6500 MHz FM - Military encrypted voice comms - very strong
30.7250 MHz FM - Asian fishery radio chatter, fisheries comms 30.725 MHz FM [CSQ]
30.8000 MHz FM - Asian fishery radio chatter, fisheries comms 30.800 MHz FM [CSQ]
30.8200 MHz FM - US Land Mobile chatter, heavy fading
30.9000 MHz FM - POCSAG pager paging signals
30.9200 MHz FM - US LMR - strong signals, previously logged
31.0000 MHz FM - Strong OTH Radar, 100 kHz BW
31.0750 MHz FM - Asian fishery radio chatter, fisheries radiotelephone 31.075 MHz FM CSQ
31.1000 MHz FM - Asian fishery radio chatter, fisheries comms 31.100 MHz FM [CSQ]
31.1200 MHz FM - US LMR business comms - bus dispatcher, strong signals
31.1750 MHz FM - Asian fishery radio chatter, fisheries comms 31.175 MHz FM [CSQ]
31.1750 MHz FM - Wideband data signals, likely encrypted mil comms
31.2250 MHz FM - Asian fishery radio chatter, heavy fading, busy frequency 31.225 MHz FM [CSQ] fisheries
31.2400 MHz FM - US LMR Part 90 comms - possibly highway maintenance
31.3000 MHz FM - Military FM comms, clear voice with strong AC hum, possibly IDF
31.3200 MHz FM - POCSAG pager paging signals, mixing with data on 31.325 MHz
31.3250 MHz FM - EPAR data signal, polytone French traffic signal control link 31.325 MHz FM
31.3400 MHz FM - Weak POCSAG paging signal
31.4400 MHz FM - US LMR comms, business dispatch
31.5500 MHz FM - UNID military FM comms, unknown language, wide FM deviation
31.5750 MHz FM - Chirper, roughly 18 kHz wide center frequency 31.575 MHz
31.6000 MHz FM - US LMR business comms, sporadic signal
31.6250 MHz FM - Asian fishery radio chatter, fisheries comms 31.625 MHz FM [CSQ] - weak with heavy fading
31.6400 MHz FM - "Hey Doug, it's a fenced in area" - US business comms, good signals at 1415 UTC
31.7000 MHz FM - Asian fishery radio chatter, fisheries comms 31.700 MHz FM [CSQ]
31.7500 MHz FM - POCSAG paging signals - UK hospital pagers
31.9600 MHz FM - US LMR, bus or taxi dispatcher
32.0750 MHz FM - Asian fishery radio chatter, fisheries comms 32.075 MHz FM [CSQ]
32.1800 MHz FM - Costa Rica taxi cab dispatch - 77.0 Hz / 141.3 Hz, also on 32.940 MHz FM
32.2250 MHz FM - Asian fishery radio chatter, fisheries comms 32.225 MHz FM [CSQ]
32.3250 MHz FM - Very strong "chirper" signal
32.8000 MHz FM - Military comms, secure mode digital signals, 18 kHz bandwidth, very strong bursts
32.9000 MHz FM - Asian fishery radio chatter, fisheries comms 32.900 MHz FM [CSQ]
33.0400 MHz FM - US LMR, fire rescue EMS dispatch
33.4000 MHz FM - Strong data bursts
33.5200 MHz FM - US LMR, fire rescue EMS dispatch
33.5500 MHz FM - Encrypted military comms
33.5600 MHz FM - US LMR, fire rescue EMS dispatch
33.5800 MHz FM - US LMR, fire rescue EMS dispatch
33.6600 MHz FM - US LMR, fire rescue EMS dispatch
33.6800 MHz FM - US LMR, fire rescue EMS dispatch
33.7000 MHz FM - US LMR, fire rescue EMS dispatch
33.7400 MHz FM - US LMR, fire rescue EMS dispatch
33.7800 MHz FM - US LMR, fire rescue EMS dispatch
33.8250 MHz FM - UNID military FM voice signals, heavy fading
33.8400 MHz FM - US LMR, fire rescue EMS dispatch
33.8800 MHz FM - US LMR, fire rescue EMS dispatch 
33.9000 MHz FM - Strong data bursts
33.9000 MHz FM - US LMR, fire rescue EMS dispatch
33.9600 MHz FM - US LMR, fire rescue EMS dispatch
34.5500 MHz FM - Short data bursts, 25 kHz bandwidth
34.8000 MHz FM - Data bursts, previously logged
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m