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
485 Views
Last post December 10, 2022, 2100 UTC
by kris
0 Replies
485 Views
Last post September 28, 2022, 0706 UTC
by TRI International
1 Replies
485 Views
Last post September 28, 2022, 2154 UTC
by ChrisSmolinski
0 Replies
485 Views
Last post February 08, 2024, 0348 UTC
by autovon
0 Replies
487 Views
Last post March 26, 2024, 0020 UTC
by RobRich
0 Replies
487 Views
Last post December 13, 2022, 2113 UTC
by ~SIGINT~
0 Replies
488 Views
Last post October 13, 2024, 2224 UTC
by Shortwave_Listener
0 Replies
488 Views
Last post October 06, 2022, 1532 UTC
by kris
0 Replies
488 Views
Last post May 29, 2022, 2142 UTC
by kris
0 Replies
489 Views
Last post June 22, 2024, 0029 UTC
by N2MLP
1 Replies
489 Views
Last post December 11, 2024, 0302 UTC
by autovon
0 Replies
492 Views
Last post October 20, 2024, 0220 UTC
by Shortwave_Listener
0 Replies
492 Views
Last post September 20, 2024, 2327 UTC
by N2MLP
0 Replies
493 Views
Last post October 04, 2024, 2327 UTC
by N2MLP
0 Replies
494 Views
Last post July 17, 2024, 2126 UTC
by N2MLP
0 Replies
494 Views
Last post December 12, 2024, 2356 UTC
by kris
0 Replies
495 Views
Last post October 09, 2022, 2129 UTC
by TRI International
1 Replies
495 Views
Last post November 24, 2024, 1459 UTC
by Ray Lalleu
0 Replies
496 Views
Last post November 21, 2022, 1418 UTC
by kris
0 Replies
496 Views
Last post June 24, 2024, 1907 UTC
by myteaquinn

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns