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
1 Replies
493 Views
Last post December 20, 2020, 1803 UTC
by FOX
2 Replies
441 Views
Last post March 30, 2022, 0906 UTC
by TRI International
0 Replies
463 Views
Last post April 14, 2022, 0815 UTC
by Ray Lalleu
2 Replies
722 Views
Last post March 29, 2022, 1101 UTC
by prldx
1 Replies
477 Views
Last post March 20, 2022, 0633 UTC
by Ray Lalleu
2 Replies
837 Views
Last post March 10, 2022, 1727 UTC
by Erik Mattson
2 Replies
533 Views
Last post April 17, 2022, 2313 UTC
by Skipmuck
0 Replies
422 Views
Last post April 08, 2022, 2010 UTC
by Ray Lalleu
0 Replies
359 Views
Last post May 05, 2022, 1658 UTC
by Ray Lalleu
0 Replies
392 Views
Last post March 01, 2022, 1704 UTC
by Ray Lalleu
2 Replies
509 Views
Last post May 31, 2022, 0325 UTC
by Shortwave_Listener
0 Replies
348 Views
Last post April 20, 2022, 1844 UTC
by Ray Lalleu
1 Replies
487 Views
Last post April 09, 2022, 2326 UTC
by kris
1 Replies
503 Views
Last post April 02, 2022, 1721 UTC
by Ray Lalleu
0 Replies
371 Views
Last post May 18, 2022, 0755 UTC
by Ray Lalleu
0 Replies
382 Views
Last post March 06, 2022, 0812 UTC
by Ray Lalleu
0 Replies
426 Views
Last post March 13, 2022, 0825 UTC
by Ray Lalleu
0 Replies
464 Views
Last post March 19, 2022, 0858 UTC
by Ray Lalleu
2 Replies
595 Views
Last post March 18, 2022, 2302 UTC
by Ray Lalleu
1 Replies
505 Views
Last post March 25, 2022, 2142 UTC
by Ray Lalleu

 

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