We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissable in your locale.


No New Posts Shortwave Pirate

Loggings of North American Pirate Stations

Moderators: Beerus Maximus, Zane, Sealord, Rafman, Kilokat7, Ray Lalleu, DimBulb, jFarley, refmo, Chris Lobdell, Skipmuck, ByteBORG, pirateswl

124491 Posts
23887 Topics

Last post by RobRich
in Re: UNID 6955 USB from 5...
on Today at 02:47

Child Boards: Broadcast Announcements
No New Posts European Pirate

Loggings of Europirates

Moderators: Beerus Maximus, Ray Lalleu, DimBulb, Chris Lobdell, Skipmuck

30721 Posts
16103 Topics

Last post by Ray Lalleu
in Mystery Radio 21 4860 AM...
on November 29, 2020, 2353 UTC

No New Posts Latin American Pirate

Loggings of pirate radio stations from Central and South America

1309 Posts
685 Topics

Last post by ChrisSmolinski
in AD149 Radio 6934.9 AM 02...
on November 29, 2020, 1557 UTC

No New Posts MW Free Radio

AM/MW Free Radio Station Loggings

908 Posts
402 Topics

Last post by refmo
in Re: UNID 1720 AM 2327 UT...
on November 26, 2020, 2353 UTC

No New Posts FM Free Radio

FM Free Radio Station Loggings

408 Posts
96 Topics

Last post by electricspruceradio
in Electric Spruce Radio ri...
on October 30, 2020, 1641 UTC

No New Posts HF Beacons

Loggings of the various unlicensed shortwave beacon stations

Moderators: Token, Kilokat7, Teotwaki

7182 Posts
1219 Topics

Last post by DYGradio
in Re: New whooper beacon o...
on November 29, 2020, 0431 UTC

No New Posts Fishing Drift Net Beacons

CW Beacons used to identify and locate drift nets used by fishermen

258 Posts
44 Topics

Last post by Boriken
in Re: DNB logs for Novembe...
on November 24, 2020, 1307 UTC

No New Posts 22 Meter Band Beacons

Loggings of HiFER Part 15 Beacons

Moderator: tesla

758 Posts
194 Topics

Last post by ChrisSmolinski
in CW Beacons circa 1530 UT...
on November 29, 2020, 1536 UTC

No New Posts Spy Numbers

Loggings of Spy Numbers Stations

Moderator: Token

3539 Posts
1350 Topics

Last post by Token
in South Korean V24 may be ...
on November 29, 2020, 2346 UTC

No New Posts Shortwave Broadcast

Loggings of SWBC Stations

Moderators: skeezix, Skipmuck

9212 Posts
5015 Topics

Last post by Ct Yankee
in Re: RHC 6950 AM: UNID 69...
on November 29, 2020, 1517 UTC

No New Posts Clandestine Stations

Worldwide Loggings of and information about Clandestine Stations

Moderator: fpeconsultant

1146 Posts
503 Topics

Last post by autovon
in Re: Dengê Welat vs. TRT ...
on November 29, 2020, 1416 UTC

No New Posts Longwave Loggings

Loggings of Longwave Stations

Moderators: skeezix, jFarley, Chanter

1468 Posts
279 Topics

Last post by pinto vortando
in Re: Winter 2020 NDB Logs
on November 27, 2020, 2215 UTC

No New Posts DGPS

DGPS related messages - loggings and software

Moderator: skeezix

3859 Posts
2640 Topics

Last post by skeezix
in DGPS Logs Nov 28 2020 UT...
on November 29, 2020, 2324 UTC

No New Posts MW Loggings

Loggings of MW Stations

Moderators: skeezix, Kilokat7

2606 Posts
827 Topics

Last post by pinto vortando
in Re: KQWB West Fargo ND
on Today at 00:01

No New Posts Utility

Loggings of Utility Stations

Moderator: Beerus Maximus

3870 Posts
1363 Topics

Last post by sat_dxer
in Re: Time Signal 6780KHz ...
on Today at 02:09

No New Posts WEFAX and SSTV

Loggings of WEFAX and non pirate SSTV transmissions. Images welcome!

Moderator: Skipmuck

268 Posts
97 Topics

Last post by fpeconsultant
in Re: Germany Fax 13880.6 ...
on November 24, 2020, 1627 UTC

No New Posts 10/11 meters

Loggings of licensed and unlicensed stations on 10 and 11 meters

Moderators: thechoat, R4002

1667 Posts
593 Topics

Last post by Treehouse SWL
in Re: Nice opening today
on November 25, 2020, 1918 UTC

No New Posts FM DX Loggings

Loggings of FM DX Stations

128 Posts
48 Topics

Last post by ulx2
in Meteor scatter (Perseids...
on August 18, 2020, 2257 UTC

No New Posts TV DX Loggings

Logs of TV DX stations - screencaps welcome

54 Posts
7 Topics

Last post by ThaDood
in Re: Television Repack an...
on August 10, 2020, 0421 UTC

No New Posts Satellite, Radiosondes and Other VHF/UHF Signals

Receiving and tracking radiosondes (weather balloons), satellites, and other VHF/UHF signals

1085 Posts
130 Topics

Last post by alleycat
in Which Inmarsat am I rece...
on November 29, 2020, 0306 UTC

No New Posts Other

Loggings of Other Stations

3129 Posts
1041 Topics

Last post by Looking-Glass
in Re: 6990 LSB chanting, F...
on November 28, 2020, 2341 UTC

No New Posts Peskies

Fishermen? Drug runners? Or just folks with radios talking in an unlicensed fashion within unconventional bands? The HFU decides

Moderators: R4002, aquabat

1546 Posts
1036 Topics

Last post by Exo
in Asian Fishing 5377.7 USB...
on Today at 05:27

No New Posts HF Mystery Signals

Unidentified modes - Hearing a digital mode you need help identifying? This is the place

Moderator: Token

859 Posts
179 Topics

Last post by alleycat
in Natural phenomenon?
on November 29, 2020, 0211 UTC

No New Posts ID and Translation Requests

Got a station you can't ID, or need a translation? Post a link to a recording here

251 Posts
78 Topics

Last post by East Troy Don
in unid 17.145
on November 26, 2020, 1448 UTC

Technical Topics

No New Posts Equipment

Radios and Antenna Discussions

Moderator: corq

5876 Posts
758 Topics

Last post by NJQA
in RFSpace
on November 28, 2020, 1915 UTC

No New Posts Part 15 AM and FM Station Operation

Discussions related to legal Part 15 AM and FM station operation

167 Posts
22 Topics

Last post by ThaDood
in Re: If you had it all to...
on November 29, 2020, 1942 UTC

No New Posts Propagation

Much like the weather, everybody complains about propagation, but nobody does anything about it.

336 Posts
75 Topics

Last post by RobRich
on November 23, 2020, 1657 UTC

No New Posts SDR - Software Defined Radio

Software Defined Radio discussions

1181 Posts
241 Topics

Last post by aurora
in Airspy Black Friday Disc...
on November 23, 2020, 1807 UTC

No New Posts The RF Workbench

RF construction projects

Moderator: ff

1992 Posts
199 Topics

Last post by RobRich
in Re: Building your own RF...
on November 24, 2020, 0641 UTC

No New Posts Software

Radio Related Software

509 Posts
156 Topics

Last post by ION Radio
in Re: audio editing softwa...
on November 28, 2020, 1125 UTC

General Category

No New Posts General Radio Discussion

Miscellaneous radio related topics.

15109 Posts
3853 Topics

Last post by ChrisSmolinski
in Black Friday half price ...
on November 27, 2020, 0102 UTC

No New Posts Amateur Radio

Amateur / Ham Radio related discussions

589 Posts
92 Topics

Last post by Rizla
in Re: Test your RX DX'ing ...
on November 29, 2020, 0140 UTC

No New Posts QSLs Received

Post pictures and other details of QSLs and eQSLs here

Moderators: Sealord, pirateswl

8933 Posts
3653 Topics

Last post by Bali_Frank
in Re: Texas Radio Shortwav...
on Today at 04:12

No New Posts Pirate Radio History

A place to post historical articles and QSLs, links to audio files, etc.

Moderator: pirateswl

104 Posts
23 Topics

Last post by Unca Billy
in Re: 25 Years of digital ...
on October 03, 2020, 0135 UTC

No New Posts For Sale / Wanted / Barter

Radio related items for sale, or wanted, or trade/barter - clear out your old junk and get new junk!

329 Posts
94 Topics

Last post by syfr
in For Sale: Working HR2510...
on November 01, 2020, 1649 UTC

No New Posts Huh?

The DX is under g0pher's table

6038 Posts
1193 Topics

Last post by ThaDood
in Well, this sucks! NSF be...
on November 19, 2020, 2144 UTC

No New Posts Group W Bench

Misfit posts

16 Posts
8 Topics

Last post by skyman
in Re: Pathetic President R...
on November 13, 2020, 2118 UTC

No New Posts Weather

Everybody complains about the weather, but nobody does anything about it

74 Posts
17 Topics

Last post by ThaDood
in Re: bye bye warm weather
on Today at 06:22

No New Posts Bacon, BBQ, Beef, And More

Tasty LCHF/Paleo/Keto foods for the radio enthusiast

945 Posts
190 Topics

Last post by Σ
in Re: Eat your eggs
on November 06, 2020, 1858 UTC

  • No New Posts
  • Redirect Board

HFU HF Underground - Info Center

Forum Stats Forum Stats

243830 Posts in 68831 Topics by 4371 Members. Latest Member: Orel54
Latest Post: "Re: bye bye warm weather" ( Today at 06:22 )
View the most recent posts on the forum.
[More Stats]

Users Online Users Online

44 Guests, 2 Users

Users active in past 15 minutes:
Naval, Fkawee

Most Online Today: 103. Most Online Ever: 3935 (April 02, 2020, 1625 UTC)