HFU HF Underground
Loggings => VHF/UHF Logs, including satellites and radiosondes => Topic started by: R4002 on February 05, 2023, 1249 UTC
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Tuned in at 1230 UTC. Focusing on signals above 29.7 MHz 29700 kHz only.
29750 FM 29.750 MHz FM - POCSAG paging signal bursts - European 29 MHz pager - unknown exact origin
29775 FM 29.775 MHz FM - Weak FM two-way land mobile signals 29.7750 FM - likely Asian Fishery Radio
29780 FM 29.780 MHz FM - FSK signal, continuous
29815 AM 29.815 MHz AM - French language, likely freebanders
29850 FM 29.850 MHz FM - POCSAG paging signal bursts - European 29 MHz pager - unknown exact origin
29875 FM 29.875 MHz FM - Asian Dedicated fishery radio - 27.500 MHz - 39.475 MHz [25 kHz steps] FM mode, CSQ
29900 FM 29.900 MHz FM - POCSAG paging signals - very strong (S9+10db at points)
29992 FM 29.992 MHz FM - "Chirper" lowest frequency -8 kHz from 30.000.0 MHz 30000.0 kHz
29995 FM 29.995 MHz FM - Key ups, short burst duration signals
30000 FM 30.000 MHz FM - "Chirper" FSK-like signal, rapidily switching between -8 and +8 kHz and center freq
30008 FM 30.008 MHz FM - "Chirper" lowest frequency -8 kHz from 30.000.0 MHz 30000.0 kHz
30020 FM 30.020 MHz FM - CW ID Morse ID - Canadian hospital on-site paging frequency
30100 FM 30.100 MHz FM - POCSAG paging signal bursts
30250 FM 30.250 MHz FM - FM-CW Over The Horizon Radar (OTH-R) 60 kHz wide - 30.25 MHz center freq.
30300 FM 30.300 MHz FM - Asian Fishery Radio [Chinese Fishing Fleet Radio 27.5 MHz - 39.475 MHz FM, 25 kHz steps]
30775 FM 30.775 MHz FM - Asian Fishery Radio - 30.7750 FM [CSQ] No Tone FM Simplex
30900 FM 30.900 MHz FM - Asian Fishery Radio - 30.9000 FM [CSQ] No Tone FM Simplex
31150 FM 31.150 MHz FM - POCSAG paging signals, good copy - Greece or UK pager 31.15 MHz
31280 FM 31.280 MHz FM - US land mobile radio (Part 90) business radio, taxi dispatcher?
31325 FM 31.325 MHz FM - French traffic signal traffic control data link, multi-tone, tunable in AM, FM, USB or LSB
31725 FM 31.725 MHz FM - POCSAG pager - UK on site hospital paging systems
31750 FM 31.750 MHz FM - POCSAG pager - UK on site hospital paging systems
31775 FM 31.775 MHz FM - POCSAG pager - UK on site hospital paging systems
31975 FM 31.975 MHz FM - French traffic signal traffic control data link, multi-tone, tunable in AM, FM, USB or LSB\
32247 FM 32.247 MHz FM - Very strong digital signal, 6 kHz wide - tunable on 32.245 MHz and 32.250 MHz
32275 FM 32.275 MHz FM - Digital signal - appears to be encrypted military comms (25 kHz wide)