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, JoeFLIPS, PirateSWL

110649 Posts
21800 Topics

Last post by Andrew Yoder
in Re: XFM 4185 AM 0100 UTC...
on Today at 06:24

Child Boards: Broadcast Announcements
No New Posts European Pirate

Loggings of Europirates

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

20682 Posts
10305 Topics

Last post by Ray Lalleu
in Radio Europe 6875 AM 084...
on Today at 08:49

No New Posts Latin American Pirate

Loggings of pirate radio stations from Central and South America

1145 Posts
612 Topics

Last post by ChrisSmolinski
in RCW Radio Compañía World...
on January 23, 2020, 1625 UTC

No New Posts MW Free Radio

AM/MW Free Radio Station Loggings

709 Posts
284 Topics

Last post by ukdxer
in Coast FM Tenerife 1494 A...
on January 22, 2020, 2309 UTC

No New Posts FM Free Radio

FM Free Radio Station Loggings

380 Posts
81 Topics

Last post by ChrisSmolinski
in Re: FM pirates in the Bo...
on January 24, 2020, 1809 UTC

No New Posts HF Beacons

Loggings of the various unlicensed shortwave beacon stations

Moderators: Token, Kilokat7, Teotwaki

6592 Posts
1194 Topics

Last post by DYGradio
in Re: 6780 kHz CW
on January 24, 2020, 1943 UTC

No New Posts Fishing Drift Net Beacons

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

175 Posts
32 Topics

Last post by Boriken
in Re: DNB Logs Jan 2020
on January 24, 2020, 1639 UTC

No New Posts 22 Meter Band Beacons

Loggings of HiFER Part 15 Beacons

Moderator: tesla

657 Posts
153 Topics

Last post by NJQA
in Re: 22m Beacon
on January 23, 2020, 1224 UTC

No New Posts Spy Numbers

Loggings of Spy Numbers Stations

Moderator: Token

3393 Posts
1308 Topics

Last post by Looking-Glass
in Re: M89 Chinese Military...
on January 24, 2020, 0940 UTC

No New Posts Shortwave Broadcast

Loggings of SWBC Stations

Moderators: skeezix, Skipmuck

8271 Posts
4470 Topics

Last post by Matt_B
in Radio France Int. 7208 k...
on January 20, 2020, 2111 UTC

No New Posts Clandestine Stations

Worldwide Loggings of and information about Clandestine Stations

Moderator: fpeconsultant

1057 Posts
464 Topics

Last post by jmblack42
in What is on 8360khz?
on January 20, 2020, 0346 UTC

No New Posts Longwave Loggings

Loggings of Longwave Stations

Moderators: skeezix, jFarley, Chanter

1328 Posts
250 Topics

Last post by pinto vortando
in Re: Take Off to the Grea...
on January 24, 2020, 2204 UTC

No New Posts DGPS

DGPS related messages - loggings and software

Moderator: skeezix

3126 Posts
2116 Topics

Last post by skeezix
in DGPS Logs Jan 23 2020 UT...
on Today at 01:16

No New Posts MW Loggings

Loggings of MW Stations

Moderators: skeezix, Kilokat7

2145 Posts
715 Topics

Last post by Treehouse SWL
in Re: WWL (tent.) 870 AM 0...
on January 24, 2020, 2239 UTC

No New Posts Utility

Loggings of Utility Stations

Moderator: Beerus Maximus

3434 Posts
1253 Topics

Last post by sat_dxer
in Re: CIS Navy on HF
on January 24, 2020, 2152 UTC

No New Posts WEFAX and SSTV

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

Moderator: Skipmuck

230 Posts
85 Topics

Last post by IZS4
in Re: SSTV 14230 kHz Circa...
on January 24, 2020, 0005 UTC

No New Posts 10/11 meters

Loggings of licensed and unlicensed stations on 10 and 11 meters

Moderators: thechoat, R4002

1478 Posts
547 Topics

Last post by IZS4
in Re: 11 meter private com...
on January 23, 2020, 2329 UTC

No New Posts FM DX Loggings

Loggings of FM DX Stations

109 Posts
38 Topics

Last post by ulx2
in Re: Meteor scatter (Pers...
on September 27, 2019, 1200 UTC

No New Posts TV DX Loggings

Logs of TV DX stations - screencaps welcome

51 Posts
5 Topics

Last post by Tim Bucknall
in Re: A6 negative offset,...
on August 23, 2019, 1732 UTC

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

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

946 Posts
113 Topics

Last post by Josh
in Re: UHF mil air
on January 24, 2020, 2120 UTC

No New Posts Other

Loggings of Other Stations

3022 Posts
1012 Topics

Last post by Matt_B
in W3NT 14342 khz @ 2008 UT...
on January 24, 2020, 2021 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

1429 Posts
975 Topics

Last post by dave524
in Re: Angry Bahstads 6870 ...
on January 14, 2020, 1314 UTC

No New Posts HF Mystery Signals

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

Moderator: Token

698 Posts
147 Topics

Last post by KM0NAS
in Re: UNID "Time Signal" a...
on January 03, 2020, 1638 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

214 Posts
70 Topics

Last post by ulx2
in Re: Is this Burmese?
on December 12, 2019, 0148 UTC

Technical Topics

No New Posts Equipment

Radios and Antenna Discussions

Moderator: corq

5009 Posts
682 Topics

Last post by Josh
in Re: Wellbrook help
on January 24, 2020, 2203 UTC

No New Posts Propagation

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

274 Posts
63 Topics

Last post by IZS4
in Re: Grey line map (real ...
on January 23, 2020, 0213 UTC

No New Posts SDR - Software Defined Radio

Software Defined Radio discussions

986 Posts
209 Topics

Last post by East Troy Don
in Re: Overview list KIWI W...
on January 24, 2020, 0303 UTC

No New Posts The RF Workbench

RF construction projects

Moderator: ff

1783 Posts
176 Topics

Last post by JimIO
in Re: Solar SLA charging a...
on January 24, 2020, 1843 UTC

No New Posts Software

Radio Related Software

476 Posts
144 Topics

Last post by kris
in SDRuno v.1.33
on January 08, 2020, 0053 UTC

General Category

No New Posts General Radio Discussion

Miscellaneous radio related topics.

14453 Posts
3674 Topics

Last post by BoomboxDX
in Re: The Ultimate Pride O...
on Today at 03:23

No New Posts Amateur Radio

Amateur / Ham Radio related discussions

363 Posts
47 Topics

Last post by WA4FHY
in Re: Digital modes on HF....
on Today at 05:42

No New Posts QSLs Received

Post pictures and other details of QSLs and eQSLs here

Moderators: Sealord, PirateSWL

7804 Posts
3173 Topics

Last post by Gino Italy
in Re: Pirate Radio Europe ...
on January 24, 2020, 1605 UTC

No New Posts Pirate Radio History

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

Moderator: PirateSWL

45 Posts
14 Topics

Last post by Pigmeat
in Re: The 1620 WJDI Story
on October 25, 2019, 1233 UTC

No New Posts For Sale / Wanted

Radio related items for sale, or wanted

279 Posts
79 Topics

Last post by Roykirk
in 40 watt transmitter for ...
on January 01, 2020, 1734 UTC

No New Posts Huh?

The DX is under g0pher's table

5699 Posts
1112 Topics

Last post by IZS4
in Re: You still slip and f...
on Today at 00:00

No New Posts Group W Bench

Misfit posts

1 Posts
1 Topics

Last post by JimIO
in Re: Pirate Act Passes Se...
on January 09, 2020, 2324 UTC

No New Posts Bacon, BBQ, Beef, And More

Tasty LCHF/Paleo/Keto foods for the radio enthusiast

867 Posts
168 Topics

Last post by Pigmeat
in Re: Grinding my own grou...
on January 23, 2020, 0044 UTC

  • No New Posts
  • Redirect Board

HFU HF Underground - Info Center

Forum Stats Forum Stats

210756 Posts in 57933 Topics by 3730 Members. Latest Member: wwaaggyy
Latest Post: "Radio Europe 6875 AM 084..." ( Today at 08:49 )
View the most recent posts on the forum.
[More Stats]

Users Online Users Online

404 Guests, 1 User

Users active in past 15 minutes:
Ray Lalleu

Most Online Today: 479. Most Online Ever: 2803 (August 18, 2019, 1145 UTC)