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
4 Replies
943 Views
Last post November 14, 2021, 2250 UTC
by ✠ Blue Max
4 Replies
848 Views
Last post November 14, 2021, 2137 UTC
by ✠ Blue Max
7 Replies
1030 Views
Last post November 14, 2021, 2040 UTC
by ✠ Blue Max
0 Replies
493 Views
Last post November 14, 2021, 1831 UTC
by chucks
3 Replies
737 Views
Last post November 14, 2021, 1503 UTC
by ✠ Blue Max
13 Replies
1341 Views
Last post November 14, 2021, 1439 UTC
by ✠ Blue Max
10 Replies
1317 Views
Last post November 14, 2021, 1316 UTC
by hammarhead
4 Replies
971 Views
Last post November 14, 2021, 0532 UTC
by Andrew Yoder
12 Replies
1911 Views
Last post November 14, 2021, 0451 UTC
by MDK2
1 Replies
543 Views
Last post November 14, 2021, 0028 UTC
by William Hassig
4 Replies
664 Views
Last post November 13, 2021, 2339 UTC
by Bali_Frank
2 Replies
657 Views
Last post November 13, 2021, 2158 UTC
by Davep
10 Replies
1322 Views
Last post November 13, 2021, 0453 UTC
by ~SIGINT~
3 Replies
695 Views
Last post November 13, 2021, 0157 UTC
by myteaquinn
5 Replies
1557 Views
Last post November 13, 2021, 0130 UTC
by M R I
20 Replies
2208 Views
Last post November 13, 2021, 0050 UTC
by Bali_Frank
19 Replies
2508 Views
Last post November 12, 2021, 2348 UTC
by Elf36
7 Replies
1068 Views
Last post November 12, 2021, 2051 UTC
by myteaquinn
0 Replies
497 Views
Last post November 12, 2021, 0026 UTC
by rpjjpr
1 Replies
677 Views
Last post November 11, 2021, 2226 UTC
by Ron Hunsicker

 

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