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
443 Views
Last post June 09, 2023, 1547 UTC
by R4002
0 Replies
434 Views
Last post June 13, 2023, 1536 UTC
by N2MLP
0 Replies
477 Views
Last post June 17, 2023, 0342 UTC
by RobRich
2 Replies
912 Views
Last post June 20, 2023, 0633 UTC
by Pigmeat
7 Replies
961 Views
Last post June 28, 2023, 0120 UTC
by dave524
0 Replies
445 Views
Last post July 01, 2023, 1319 UTC
by RobRich
0 Replies
531 Views
Last post July 01, 2023, 1638 UTC
by N2MLP
0 Replies
493 Views
Last post July 04, 2023, 1117 UTC
by RobRich
0 Replies
467 Views
Last post July 04, 2023, 1813 UTC
by N2MLP
1 Replies
557 Views
Last post July 05, 2023, 2038 UTC
by N2MLP
0 Replies
476 Views
Last post July 08, 2023, 2126 UTC
by RobRich
0 Replies
432 Views
Last post July 09, 2023, 0137 UTC
by RobRich
1 Replies
529 Views
Last post July 10, 2023, 2350 UTC
by N2MLP
1 Replies
549 Views
Last post July 11, 2023, 1826 UTC
by N2MLP
0 Replies
498 Views
Last post July 14, 2023, 1302 UTC
by R4002
0 Replies
475 Views
Last post July 15, 2023, 1847 UTC
by RobRich
1 Replies
585 Views
Last post July 27, 2023, 0448 UTC
by shadypyro
0 Replies
513 Views
Last post July 27, 2023, 1843 UTC
by N2MLP
2 Replies
734 Views
Last post August 01, 2023, 1714 UTC
by R4002
0 Replies
473 Views
Last post August 18, 2023, 1355 UTC
by SkyWalker

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns