HFU HF Underground
Loggings => 10/11 meters => Topic started by: R4002 on December 14, 2023, 1458 UTC
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25.615 MHz AM - Spanish language chatter, probably not a taxi cab
25.625 MHz LSB - UNID language freeband 11m comms 25MHz band
25.650 MHz FM - FM-CW OTH Radar pulse, 30 kHz bandwidth 30kHz BW center freq 25.65 MHz 25650 kHz
25.665 MHz AM - Spanish language taxi dispatcher
25.670 MHz FM - Russian taxi radio dispatcher - Russian radio taxis 26670 FM
25.685 MHz AM - Spanish language freeband CB, fair to weak (heavy fading)
25.695 MHz AM - Taxi cab dispatcher - Mexico - SIO 222, known user of this freq. 25695 AM SS YL taxi
25.725 MHz FM - Russian taxi cab radio dispatch, very deep fading
25.735 MHz AM - Spanish language freebander comms (possible radio taxi dispatcher)
25.755 MHZ AM - US freeband / out of band CB traffic, probably land mobile users, farmers, etc.
25.775 MHz LSB - Freebanders, Spanish language
25.800 MHz AM - Weak AM signal noted (broadcast station)
25.825 MHz AM - Spanish language comms, very busy
25.830 MHz FM - Russian taxi cab radio dispatch, YL dispatcher
25.845 MHz AM - Spanish language taxi cab dispatch
25.855 MHz AM - Spanish speaking OMs, possible taxi radio chatter
25.865 MHz AM - Taxi cab dispatch, Spanish language, likely Latin America (heavy QRM)
25.865 MHz AM - Spanish speaking OMs having QSO, very strong signals (mixing with other signals on frequency)
25.865 MHz FM - Russian taxi cab dispatcher lady, heavy QRM from AM voice traffic on same frequency
25.875 MHz FM - UNID language, two way comms - possible land mobile or freeband CB
25.955 MHz AM - Spanish language comms - very good signals SIO 444
25.985 MHz AM - Spanish language chatter, freeband CB truck drivers?
25.985 MHz LSB - Spanish language freeband, informal QSOs
25.985 MHz LSB - Italian speaking freeband chatter
26.005 MHz AM - Taxi cab radio dispatcher - Latin America
26.045 MHz AM - Mexican taxi cab dispatch
26.055 MHz FM - Taxi cab dispatch, Russia - YL dispatcher
26.075 MHz AM - Italian language comms
26.085 MHz AM - US freeband CB radio chatter - possible snow plows or dump trucks, informal chatter
26.105 MHz AM - Busy frequency, popular Mexican trucker frequency
26.115 MHz FM - Russian taxi cab dispatcher
26.135 MHz AM - Spanish speaking two-way comms, probably trucking company comms
26.145 MHz AM - Spanish language taxi radio dispatcher - Mexican accent
26.150 MHz FM - POCSAG paging, sporadic
26.165 MHz FM - Russian taxi cab radio dispatcher
26.165 MHz FM - Very strong FSK signal
26.175 MHz AM - US out of band CB radio chatter, midwestern accents - truck drivers or possible hunt club radio
26.200 MHz FM - POCSAG paging, very busy - FM carrier signal transmitted with no page is being sent, like 27.450 MHz
26.205 MHz AM - Taxi radio dispatch - Latin America, possible Mexican radio taxi
26.225 MHz USB - Mexican freeband 11m calling frequency, active
26.245 MHz FM - Russian taxi cab dispatch, very heavy QRM from wideband CODAR signal 26.2 MHz - 26.35 MHz
26.300 MHz FM - POCSAG paging, FM carrier transmitted when idle (see 26.200 MHz, 27.450 MHz)
26.350 MHz FM - POCSAG paging pager frequency
26.375 MHz AM - Spanish language taxi cab dispatcher
26.400 MHz FM - POCSAG paging pager frequency
26.420 MHz USB - Polish - very busy
26.435 MHz AM - US out of band land mobile users, YL dispatcher, southern accents
26.475 MHz USB - Spanish language - likely freebanders
26.500 MHz FM - POCSAG paging pager frequency
26.515 MHz AM - US land mobile comms, YL dispatcher, southern accents - dispatcher "Brandy"
26.525 MHz AM - US land mobile comms, freeband CB radio
26.540 MHz LSB - Spanish language, stations that QSY'ed from 26.555 LSB
26.555 MHz LSB - Spanish language freeband calling frequency
26.575 MHz FM - German CB radio chatter, strong signals - German CB radio channel 42
26.585 MHz AM - Mexican freeband CB trucker channel, very busy
26.595 MHz AM - Mexican CB freeband activity
26.600 MHz FM - POCSAG paging signals - weak to very strong
26.605 MHZ FM - Russian taxi radio taxi dispatcher, full quieting at 1340 UTC
26.605 MHz FM - German CB radio comms, German CB radio channel 45
26.605 MHz AM - Spanish language, possibly Latin American taxi cab
26.615 MHz FM - Russian taxi cab radio taxi dispatcher controller Olga
26.615 MHz AM - Portuguese
26.620 MHz FM - POCSAG paging signals
26.625 MHz FM - Russian taxi cab YL dispatcher Olga coming in full scale
26.630 MHz FM - Russian taxi cab radio taxi, YL dispatcher "Olga" very good signal
26.635 MHz FM - POCSAG paging signals
26.650 MHz FM - FMCW OTH Radar bursts
26.650 MHz FM - Russian taxi cab radio taxi, YL dispatcher + OM drivers
26.650 MHz FM - POCSAG paging signals
26.655 MHz AM - Numerous AM signals on/near 26655 AM
26.655 MHz AM - Italian
26.655 MHz FM - Russian taxi cab radio taxi dispatch, heavy QRM from 26.655 MHz AM and 26.65 MHz FM
26.665 MHz AM - Spanish, from Spain!
26.665 MHz FM - Russian taxi cab dispatcher, YL dispatcher full scale!
26.670 MHz FM - Russian language, OM and YL dispatcher, likely taxi cab
26.675 MHz AM - Spanish language, weak
26.675 MHz AM - Spanish language taxi cab dispatch - possibly Mexico City radio taxi
26.675 MHz FM - German language CB comms
26.675 MHz FM - Russian taxi cab dispatcher
26.680 MHz FM - Russian taxi cab - radio taxi dispatcher controller - YL dispatcher SIO 444 very good
26.685 MHz AM - Spanish - OMs chatting, possibly Mexican truckers or Mexican / Latin American LMR comms 26685 AM
26.695 MHz FM - POCSAG paging signals - numerous paging signals on top of each other
26.700 MHz FM - POCSAG pager signals
26.705 MHz FM - PCOSAG paging signals and other data bursts
26.715 MHz AM - Big radios, Spanish language - Caribbean area (well known frequency)
26.720 MHz FM - Russian taxi cab radio dispatcher - YL taxi controllers Olga CIS taxis 26MHz 27MHz
26.725 MHz AM - Spanish language, sounds like Caribbean and Puerto Rico
26.730 MHz FM - Russian taxi cab radio dispatcher
26.735 MHz AM - US freeband CB radio comms, probably truck drivers
26.745 MHz FM - POCSAG paging
26.750 MHz FM - Russian taxi cab radio comms PMR LMR 26.75 MHz FM
26.755 MHz FM - German language CB comms
26.755 MHz AM - US freeband CB chatter, truck drivers, possibly snowplows
26.760 MHz FM - Russian taxi cab radio dispatch, heavy QRM from the US CB radio chatter on 26.755 AM
26.765 MHz AM - Mexican taxi cab - Matamoros, Mexico (see also: 27.755 MHz AM, 27.765 MHz AM, several others)
26.775 MHz FM - Russian taxi cab radio taxi dispatcher, OM drivers replying
26.785 MHz AM - US freeband CB comms, truck drivers on export radios
26.795 MHz AM - US freeband CB comms, truckers, other stations, very busy
26.800 MHz FM - POCSAG paging signals
26.805 MHz FM - FM calling frequency, 26.805 FM club frequency, busy with US and other stations
26.815 MHz FM - POCSAG paging signals, sporadic
26.820 MHz FM - Russian taxi cab radio comms
26.825 MHz AM - Taxi cab dispatch, Spanish language, Mexican acccents
26.825 MHz AM - US truckers, informal QSO
26.835 MHz AM - US stations, midwestern accents, stations working DX
26.840 MHz FM - Russian taxi cab radio dispatch, Russian land mobile radio 26MHz band
26.845 MHz AM - US freeband CB radio chatter, truck drivers?
26.855 MHz AM - Spanish language, probably taxi cab dispatcher
26.865 MHz AM - US stations "he's coming out right there on your left"
26.875 MHz FM - Data stream, FSK "chirp"
26.875 MHz FM - German language CB comms
27.875 MHz AM - US freebanders, also Spanish language comms on frequency at the same time
26.885 MHz AM - US free band 11m CB comms, possibly logging trucks
26.895 MHz AM - Latin American radio taxi cab dispatch, YL dispatcher lady reading numbers in Spanish
26.900 MHz FM - POCSAG paging
26.905 MHz AM - "Galaxy Saturn" - US freeband CB radio
26.915 MHz AM - US freeband calling frequency, active
26.925 MHz AM - Spanish language comms
26.925 MHz FM - US and other country freeband chatter, heavy QRM from 26.925 MHz AM
26.935 MHz AM - Spanish language, taxi cab dispatch lady
26.945 MHz FM - Non-stop data bursts and POCSAG paging signals
26.945 MHz AM - US stations, free band operators - once the data signals faded away
26.945 MHz AM - Spanish language chatter on frequency at the same time as US stations
26.950 MHz FM - FSK bursts
26.950 MHz FM - POCSAG paging pager signals
26.955 MHz AM - Spanish language taxi cab dispatcher
26.955 MHz FM - Russian taxi cab dispatcher
26.955 MHz FM - Nonstop data bursts
26.955 MHz FM - POCSAG paging signals
26.960 MHz FM - Nonstop data bursts, can hear voice comms underneath
Due to the stations-on-every-frequency nature, only interesting/unique logs are below for the 27.405 MHz - 28 MHz range
27.410 MHz USB - UK stations working UNID station, sounds like US station, very strong, mention of World Radio
27.415 MHz USB - Spanish language
27.415 MHz AM - Spanish langauge taxi cab dispatcher
27.420 MHz LSB - "Stevie Jones, he would come to Fort Lauderdale, he was a nice guy" "yeah, I met some assholes too" - US station working UK station
27.440 MHz FM - Spanish speaking freebanders, nice strong FM deviation, obliterating SSB signals on/nearby
27.450 MHz FM - Unmodulated FM carrier signal, sporadic data bursts - carrier signal still there at 1500 UTC
27.465 MHz AM - Canale 45 - Italian BIG RADIOS with lots of ECHO
27.505 MHz FM - Very strong POCSAG paging signals - S7 to S9+20dB
27.635 MHz AM - US stations, almost certainly truck drivers
27.655 MHz AM - US freeband activity, truck drivers
27.731 MHz FM - UK FM CB activity - UK FM CB Channel 14 freq 27.73125 MHz FM
27.735 MHz AM - Spanish language taxi radio dispatch - Mexican taxi cab CB radio dispatcher
27.755 MHz AM - Spanish language taxi cab dispatch - Mexican radio taxis dispatch
27.771 MHz FM - UK FM CB radio chatter, UK FM CB Channel 18 freq 27.77125 MHz FM
27.781 MHz FM - UK FM CB CH19 very busy 27.78125 MHz FM
27.785 MHz AM - Spanish language taxi dispatcher, heavy QRM from 27.781 FM
27.785 MHz FM - Spanish speaking freebander calling CQ 11 metros, CQ America del Sur (CQ South America 11 meter)
27.801 MHz FM - UK FM CB CH21 - sporadic activity 27.80125 MHz FM
27.815 MHz AM - Spanish language taxi cab dispatch - well known users on this frequency
27.845 MHz AM - US truckers using export radios, CB radio out of band signals
27.855 MHz USB - UK station working ????
27.861 MHz FM - UK FM CB Radio Channel 27 active, local CB comms?
27.865 MHz AM - Spanish speaking YL taxi cab dispatcher
27.875 MHz AM - US freeband CB radio chatter, southern accents
27.885 MHz FM - POCSAG paging pager signals
27.885 MHz AM - US truckers using export radios, northeastern US accents
27.901 MHz FM - UK FM CB Radio Channel 31 - UK CB radio chatter 27.90125 MHz FM
27.961 MHz FM - UK FM CB Radio Channel 37 - UK CB radio chatter 27.96125 MHz FM
27.965 MHz FM - Russian taxi cab dispatcher lady - Olga Russian taxis 27 MHz 28 MHz
27.975 MHz AM - US stations, truckers or similar land mobile users
27.981 MHz FM - UK FM CB Radio Channel 39 - UK CB radio chatter 27.98125 MHz FM
27.985 MHz FM - FM-CW OTH-Radar
27.991 MHz FM - UK FM CB Radio Channel 40 - Active
27.995 MHz LSB - French language, possibly Canadian freeband CB
28.005 MHz AM - Spanish language chatter, weak to fair signals
28.035 MHz AM - Spanish language signals, heavy fading
28.055 MHz AM - Spanish language two-way comms, trucking company, taxi or other business radio like use
28.074 MHz USB - Nonstop FT8 data signals
28.085 MHz AM - Numerous Spanish language signals on frequency
28.115 MHz FM - Russian taxi cab dispatcher - YL dispatcher "Olga" active on 10m
28.135 MHz FM - Russian taxi cab dispatcher - previously logged taxis on 28135 FM
28.165 MHz AM - Spanish language taxi cab dispatcher - taxis on 28 MHz
28.180 MHz USB - Nonstop FT4 data signals
28.225 MHz AM - Spanish language taxi cab - Latin American taxi cab company
28.245 MHz AM - Taxi cab radio dispatch radio taxi Latin America
28.305 MHz AM - Spanish language CB-like chatter - band F, channel 40 on most export radios