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
428 Views
Last post May 19, 2023, 0907 UTC
by ~SIGINT~
0 Replies
397 Views
Last post May 18, 2023, 1806 UTC
by kris
0 Replies
401 Views
Last post May 16, 2023, 2112 UTC
by MDK2
0 Replies
445 Views
Last post May 16, 2023, 2059 UTC
by MDK2
1 Replies
458 Views
Last post May 14, 2023, 2052 UTC
by kris
0 Replies
384 Views
Last post May 12, 2023, 0940 UTC
by Ct Yankee
0 Replies
414 Views
Last post May 06, 2023, 1952 UTC
by kris
0 Replies
382 Views
Last post May 06, 2023, 1934 UTC
by kris
0 Replies
479 Views
Last post April 30, 2023, 0844 UTC
by TRI International
0 Replies
471 Views
Last post April 30, 2023, 0221 UTC
by MDK2
50 Replies
3424 Views
Last post April 28, 2023, 1818 UTC
by kris
7 Replies
925 Views
Last post April 28, 2023, 1534 UTC
by kris
0 Replies
472 Views
Last post April 26, 2023, 0506 UTC
by CyberHero
0 Replies
432 Views
Last post April 23, 2023, 1832 UTC
by Kestrel
0 Replies
422 Views
Last post April 19, 2023, 1715 UTC
by MDK2
0 Replies
427 Views
Last post April 16, 2023, 2009 UTC
by MDK2
1 Replies
604 Views
Last post April 13, 2023, 1429 UTC
by kris
4 Replies
950 Views
Last post April 04, 2023, 2334 UTC
by ~SIGINT~
0 Replies
423 Views
Last post March 28, 2023, 1505 UTC
by kris
0 Replies
532 Views
Last post March 26, 2023, 2107 UTC
by ~SIGINT~

 

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