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Author Topic: VHF Low Band Logs - 13 Feb 2023 - Via G8JNJ SDR  (Read 646 times)

Offline R4002

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VHF Low Band Logs - 13 Feb 2023 - Via G8JNJ SDR
« on: February 13, 2023, 1439 UTC »
Started listening at 1430 UTC on 13 February 2023

Only activity above 29.7 MHz / 29700 kHz.  Even though 11 meters and 10 meters are both blowing up.

29710 FM - 29.710 MHz FM - Spanish language, sounds like taxi dispatcher (YL dispatcher) - US land mobile frequency
29775 FM - 29.775 MHz FM - Asian fishery radio - Chinese fishing fleet radio 27.500 - 39.475 MHz FM, 25 kHz steps
29900 FM - 29.900 MHz FM - POCSAG paging signals - 1-3 second bursts
29940 FM - 29.940 MHz FM - Very strong FM-CW over the horizon radar (OTHR), 60 kHz wide 29.92 MHz - 29.96 MHz
29996 FM - 29.996 MHz FM - Carrier on and off, sometimes for 60+ seconds at once, 29.996 MHz
30000 FM - 30.000 MHz FM - FM voice comms, tell-tale 150 Hz western military/NATO tone squelch hum
30000 FM - 30.000 MHz FM - FM carrier just seems to stay there, appears to also have the 150Hz NATO tone
30020 FM - 30.020 MHz FM - CW ID - likely Canadian hospital pager systems (known users of 30.02 MHz and 30.22 MHz)
30150 FM - 30.150 MHz FM - Military comms, very short transmission, then switched to digital (encryption)
30250 FM - 30.250 MHz FM - FM-CW OTH Radar - "horn" like sound, about 50-60 kHz wide
30425 FM - 30.425 MHz FM - Tail end of a FM transmission, does not sound like military (probably fishing fleet radio chatter)
30775 FM - 30.775 MHz FM - Asian fishery radio chatter, fading up and down but definitely readable
30900 FM - 30.900 MHz FM - Russian language comms - sounds like military? 
31100 FM - 31.100 MHz FM - Asian fishery radio - informal chatter, very busy
31120 FM - 31.120 MHz FM - US land mobile business radio - bus dispatcher
31175 FM - 31.175 MHz FM - UNID language, short transmission, possibly fishing fleet radio chatter
31325 FM - 31.325 MHz FM - French traffic signal control data
31400 FM - 31.400 MHz FM - Very strong paging signal or data signal
31725 FM - 31.725 MHz FM - UK Hospital paging systems - POCSAG
31750 FM - 31.750 MHz FM - UK Hospital paging systems - POCSAG
31775 FM - 31.775 MHz FM - UK Hospital paging systems - POCSAG
31960 FM - 31.960 MHz FM - US or Latin American taxi dispatcher - Spanish language
31975 FM - 31.975 MHz FM - French traffic signal control data
32000 FM - 32.000 MHz FM - Asian fishery radio chatter
32250 FM - 32.250 MHz FM - Strong unmodulated FM carrier
33040 FM - 33.040 MHz FM - UNID comms, Spanish - could be US business? 
33075 FM - 33.075 MHz FM - Very strong digital signal - sounds almost like fax?
33100 FM - 33.100 MHz FM - US business dispatcher - taxi or bus, directing pickup locations, strong signals
33400 FM - 33.400 MHz FM - Digital signals - similar to those noted on military channels "going secure"
33440 FM - 33.440 MHz FM - Tone out - probably fire / EMS dispatch
33450 FM - 33.450 MHz FM - Digital encryption - likely military comms
33480 FM - 33.480 MHz FM - US fire rescue dispatch
33520 FM - 33.520 MHz FM - US fire rescue dispatch
33540 FM - 33.540 MHz FM - US fire rescue dispatch
33680 FM - 33.680 MHz FM - US fire rescue dispatch
33580 FM - 33.580 MHz FM - US fire rescue "ventilation completed, returning to service" - fire/rescue dispatcher
33740 FM - 33.740 MHz FM - Multiple signals on top of each other (fire/rescue comms) - including medical report
33760 FM - 33.760 MHz FM - US fire rescue dispatch
33780 FM - 33.780 MHz FM - US fire rescue dispatch "18-50 on scene, channel 1"
33800 FM - 33.800 MHz FM - US fire and rescue dispatch
33850 FM - 33.850 MHz FM - POCSAG pager - double checked and it is on 33.850 MHz - not a US based transmitter
33875 FM - 33.875 MHz FM - Fishery radio chatter, weak but there
33880 FM - 33.880 MHz FM - US fire and rescue comms, heavy fading
33900 FM - 33.900 MHz FM - US fire rescue dispatch, numerous systems on frequency
33920 FM - 33.920 MHz FM - US fire rescue dispatch
33940 FM - 33.940 MHz FM - US fire rescue dispatch
34550 FM - 34.550 MHz FM - POCSAG pager - sporadic activity
34625 FM - 34.625 MHz FM - French Autoroute radio system (with selective calling tones)
35360 FM - 35.360 MHz FM - "that project, right?" "right brother..." - US business comms
35400 FM - 35.400 MHz FM - Pager - POCSAG - short burst transmissions
35580 FM - 35.580 MHz FM - Pager - POCSAG paging signals
35760 FM - 35.760 MHz FM - US business traffic, trucks or construction
35820 FM - 35.820 MHz FM - US business traffic "I guess we saw the..." "she caught part of the..."
36250 FM - 36.250 MHz FM - FM voice tone modulated CW ID (automatic Morse code ID)
36250 FM - 36.250 MHz FM - Encrypted digital comms, active
36325 FM - 36.325 MHz FM - Military comms, noted 150Hz hum and tell-tale wide FM deviation
« Last Edit: February 13, 2023, 1517 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

Offline R4002

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Re: VHF Low Band Logs - 13 Feb 2023 - Via G8JNJ SDR
« Reply #1 on: February 13, 2023, 1738 UTC »
Part 2, starting at 1710 UTC (1710 local time at SDR's location)


29.8000 MHz FM - POCSAG pager paging frequency, POCSAG paging bursts
29.8250 MHz FM - FSK signal
29.8500 MHz FM - POCSAG pager, mixing with FSK data bursts
29.8500 MHz FM - OTH Radar center frequency - "horn" sound, 20-30 kHz bandwidth
29.9000 MHz FM - POCSAG pager paging frequency, POCSAG paging bursts
30.0000 MHz FM - Unmodulated FM signal - wide bandwidth / deviation, likely military
30.0200 MHz FM - POCSAG paging bursts, followed by a 1-1.5 second unmodulated carrier
30.1000 MHz FM - Same "pips" signal noted on 32.0500 MHz FM
30.1000 MHz FM - POCSAG pager, weak to fair signal strength
30.2200 MHz FM - Weak POCSAG paging - known Canadian hospital pager frequency - 30.220 MHz and 30.020 MHz
30.3000 MHz FM - Encrypted digital comms, presumably military going by frequency and bandwidth
30.5800 MHz FM - US Land Mobile / Business Radio - Construction comms, truck to truck chatter
30.8000 MHz FM - US Land Mobile business comms - taxi dispatcher - New York accents
31.1000 MHz FM - Asian fishery radio
31.1000 MHz FM - "Can you advise on that, police are on scene" - US Land Mobile - Public Safety comms
31.1200 MHz FM - US Land Mobile - bus dispatcher - very active, well known users
31.3130 MHz USB - Arabic, right on 31.313 USB
31.1600 MHz FM - US Land Mobile - "move it, right there...right there..."
31.2000 MHz FM - UNID land mobile (British accents) "Johnny, get back up on top there" "okay roger"
31.2000 MHz FM - Taxi dispatcher - Spanish language
31.3200 MHz FM - POCSAG pager - SIO 444, good signal
31.3250 MHz FM - French traffic signal control data
31.4000 MHz FM - POCSAG pager
31.4400 MHz FM - US Land Mobile radio - business comms
31.4750 MHz FM - Military comms - tell-tale wide band FM signal (tail end of transmission)
31.4800 MHz FM - US Land Mobile "oh yeah, right"
31.6875 MHz FM - French traffic signal control data
31.7250 MHz FM - UK Hospital on-site paging systems - POCSAG pagers
31.7500 MHz FM - UK Hospital on-site paging systems - POCSAG pagers - most active
31.7750 MHz FM - UK Hospital on-site paging systems - POCSAG pagers
31.9250 MHz FM - Asian fishery radio chatter
31.9750 MHz FM - French traffic signal control data
32.0000 MHz FM - Military comms - telltale wide FM deviation, UNID language
32.0500 MHz FM - "Pips" - 2-3 every second, on/off keying, right on 32.05000 MHz
32.1750 MHz FM - Russian language
32.1800 MHz FM - Taxi dispatcher - Spanish language - likely Costa Rican taxi cabs
32.7000 MHz FM - Military signal noted - key up, nice wide FM deviation
32.9000 MHz FM - Data signal, sounds like FAX or SSTV
32.9400 MHz FM - Taxi dispatcher - Spanish language
32.9500 MHz FM - Asian fishery radio
33.0800 MHz FM - US Land Mobile   
33.1000 MHz FM - US Land Mobile - bus or taxi or car service dispatch, business comms
33.5200 MHz FM - US fire rescue dispatch with tone outs
33.6200 MHz FM - US fire rescue dispatch
33.6600 MHz FM - US fire rescue dispatch "station 44" "42 is responding" "copy, standing by at the hydrant"
33.6800 MHz FM - US fire rescue dispatch
33.7400 MHz FM - US fire rescue dispatch "742" - possibly part of a callsign - US East Coast times heard
33.8600 MHz FM - US fire rescue dispatch "....road..." "Chevy Tahoe..."
33.8800 MHz FM - US fire rescue dispatch
33.9000 MHz FM - US fire rescue dispatch with tone outs
33.9400 MHz FM - US fire rescue dispatch - US Land Mobile
33.9800 MHz FM - US fire rescue dispatch
34.3000 MHz FM - Military comms - "Thirty Four-Thirty Fox Mike" - US Military
34.5500 MHz FM - POCSAG pager paging
35.1875 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.2000 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.2125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.2500 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.3125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.3375 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.3500 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.3625 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.3750 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.4000 MHz FM - Pager - POCSAG signals
35.4250 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.4625 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.5000 MHz FM - Pager - POCSAG paging noted
35.5125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.5375 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.5500 MHz FM - Pager - POCSAG paging signals
35.5500 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.5875 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.6125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.6250 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.6750 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.6800 MHz FM - Pager - POCSAG paging signals - sporadic
35.7125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.7375 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.7600 MHz FM - US Land Mobile - construction company, business comms
35.7800 MHz FM - US Land Mobile -  business comms  "that one's not gonna get any lighter" "10-4"
35.8125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.8200 MHz FM - Short FM transmission noted, could be US LMR business comms or another service
35.8625 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.8800 MHz FM - US Land Mobile -  business comms
35.9000 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.9125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.9625 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
35.9875 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
36.1125 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
36.2000 MHz FM - Encrypted digital comms, active
36.2375 MHz FM - French Land Mobile - Autoroute radio system, with selective call tone bursts
« Last Edit: February 13, 2023, 1756 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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