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
382 Views
Last post April 10, 2023, 2120 UTC
by Ray Lalleu
0 Replies
382 Views
Last post February 08, 2025, 2107 UTC
by europirate
0 Replies
382 Views
Last post August 29, 2024, 1933 UTC
by europirate
0 Replies
382 Views
Last post October 24, 2024, 2034 UTC
by DFD21
0 Replies
382 Views
Last post December 13, 2022, 0827 UTC
by Misti-Radio
0 Replies
382 Views
Last post December 12, 2022, 1954 UTC
by Ray Lalleu
0 Replies
382 Views
Last post November 14, 2022, 2357 UTC
by kris
0 Replies
382 Views
Last post October 18, 2022, 2109 UTC
by Ray Lalleu
0 Replies
383 Views
Last post April 28, 2023, 2009 UTC
by Ray Lalleu
0 Replies
383 Views
Last post December 24, 2024, 1511 UTC
by europirate
0 Replies
383 Views
Last post February 03, 2023, 1552 UTC
by Shortwave_Listener
0 Replies
384 Views
Last post January 16, 2025, 2042 UTC
by europirate
0 Replies
384 Views
Last post February 07, 2023, 1919 UTC
by kris
0 Replies
384 Views
Last post February 13, 2025, 1921 UTC
by europirate
0 Replies
384 Views
Last post July 06, 2024, 2050 UTC
by europirate
0 Replies
384 Views
Last post December 21, 2022, 0825 UTC
by Misti-Radio
0 Replies
384 Views
Last post May 05, 2024, 2114 UTC
by TRI International
0 Replies
384 Views
Last post June 29, 2025, 2040 UTC
by europirate
0 Replies
384 Views
Last post October 02, 2022, 2058 UTC
by ralf_bender
0 Replies
385 Views
Last post December 26, 2023, 1125 UTC
by TRI International

 

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