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
5 Replies
684 Views
Last post July 05, 2025, 1149 UTC
by ChrisSmolinski
0 Replies
194 Views
Last post July 05, 2025, 1129 UTC
by ChrisSmolinski
13 Replies
709 Views
Last post July 05, 2025, 0616 UTC
by DXerKen
1 Replies
285 Views
Last post July 05, 2025, 0508 UTC
by DXerKen
2 Replies
315 Views
Last post July 05, 2025, 0442 UTC
by Treehouse SWL
20 Replies
1380 Views
Last post July 05, 2025, 0432 UTC
by Zoidberg
2 Replies
379 Views
Last post July 05, 2025, 0341 UTC
by Charlie_Dont_Surf
9 Replies
260 Views
Last post July 05, 2025, 0246 UTC
by hflstnr
13 Replies
799 Views
Last post July 05, 2025, 0158 UTC
by William Hassig
5 Replies
423 Views
Last post July 05, 2025, 0148 UTC
by DXrafaelcolDX
10 Replies
451 Views
Last post July 05, 2025, 0133 UTC
by Markokpik
12 Replies
588 Views
Last post July 05, 2025, 0107 UTC
by DXerKen
9 Replies
537 Views
Last post July 04, 2025, 2333 UTC
by circuitmike
0 Replies
181 Views
Last post July 04, 2025, 2239 UTC
by DangerKitty
5 Replies
612 Views
Last post July 04, 2025, 1548 UTC
by Big Badfish Al
4 Replies
399 Views
Last post July 04, 2025, 1521 UTC
by myteaquinn
2 Replies
238 Views
Last post July 04, 2025, 1445 UTC
by ChrisSmolinski
7 Replies
642 Views
Last post July 04, 2025, 1037 UTC
by ChrisSmolinski
7 Replies
676 Views
Last post July 04, 2025, 0448 UTC
by ChrisLobdell
18 Replies
1648 Views
Last post July 04, 2025, 0405 UTC
by sternradio666

 

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