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
18 Replies
1990 Views
Last post January 08, 2024, 0029 UTC
by Big Badfish Al
5 Replies
1496 Views
Last post January 08, 2024, 0213 UTC
by ~SIGINT~
8 Replies
1183 Views
Last post January 08, 2024, 0233 UTC
by Markokpik
3 Replies
967 Views
Last post January 08, 2024, 0314 UTC
by Andrew Yoder
4 Replies
718 Views
Last post January 08, 2024, 2049 UTC
by Rob.
10 Replies
1184 Views
Last post January 08, 2024, 2247 UTC
by JustGreg
6 Replies
1090 Views
Last post January 09, 2024, 0217 UTC
by Molvania Poacher
11 Replies
1267 Views
Last post January 09, 2024, 1638 UTC
by Ron Hunsicker
6 Replies
1011 Views
Last post January 09, 2024, 1642 UTC
by Ron Hunsicker
6 Replies
805 Views
Last post January 09, 2024, 2044 UTC
by Ray Lalleu
4 Replies
642 Views
Last post January 09, 2024, 2129 UTC
by myteaquinn
7 Replies
922 Views
Last post January 09, 2024, 2219 UTC
by dxwingr
3 Replies
594 Views
Last post January 10, 2024, 0253 UTC
by Shawndx
0 Replies
374 Views
Last post January 10, 2024, 2032 UTC
by ✠ Blue Max
4 Replies
641 Views
Last post January 10, 2024, 2053 UTC
by sternradio666
15 Replies
1657 Views
Last post January 11, 2024, 0010 UTC
by myteaquinn
0 Replies
344 Views
Last post January 11, 2024, 0052 UTC
by myteaquinn
1 Replies
515 Views
Last post January 11, 2024, 0207 UTC
by ~SIGINT~
14 Replies
1496 Views
Last post January 11, 2024, 2235 UTC
by rickcutter
4 Replies
664 Views
Last post January 12, 2024, 0211 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 Garden Flag
by MitchellTimeDesigns