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 permissible in your locale.

Subject / Started by Last post
0 Replies
315 Views
Last post December 29, 2023, 2136 UTC
by europirate
0 Replies
436 Views
Last post August 19, 2023, 2054 UTC
by europirate
0 Replies
427 Views
Last post October 25, 2023, 2040 UTC
by europirate
0 Replies
278 Views
Last post December 26, 2023, 1643 UTC
by europirate
0 Replies
235 Views
Last post March 04, 2024, 0059 UTC
by Mick Boyle
0 Replies
252 Views
Last post February 26, 2024, 2239 UTC
by n2avh
0 Replies
239 Views
Last post February 09, 2024, 2243 UTC
by europirate
0 Replies
409 Views
Last post August 06, 2022, 2222 UTC
by Ray Lalleu
0 Replies
230 Views
Last post January 03, 2025, 2147 UTC
by dalectron
3 Replies
621 Views
Last post September 23, 2022, 2341 UTC
by Ray Lalleu
0 Replies
421 Views
Last post August 29, 2022, 1752 UTC
by Misti-Radio
0 Replies
454 Views
Last post June 26, 2022, 2239 UTC
by kris
0 Replies
374 Views
Last post August 27, 2022, 2035 UTC
by Shortwave_Listener
0 Replies
480 Views
Last post July 30, 2022, 2021 UTC
by europirate
0 Replies
476 Views
Last post August 18, 2022, 1958 UTC
by europirate
0 Replies
668 Views
Last post February 18, 2022, 1926 UTC
by Ray Lalleu
1 Replies
1126 Views
Last post October 30, 2020, 1555 UTC
by Melkbus
0 Replies
280 Views
Last post January 19, 2024, 1803 UTC
by m3ozp1
0 Replies
308 Views
Last post November 02, 2022, 1543 UTC
by Misti-Radio
0 Replies
302 Views
Last post November 05, 2022, 2127 UTC
by kris

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns