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
1 Replies
1818 Views
Last post January 02, 2009, 0214 UTC
by SW-J
2 Replies
558 Views
Last post March 29, 2023, 1949 UTC
by myteaquinn
20 Replies
3255 Views
Last post November 30, 2023, 1723 UTC
by Ron Hunsicker
10 Replies
2025 Views
Last post July 03, 2024, 2326 UTC
by Radio Star
0 Replies
365 Views
Last post April 16, 2025, 1302 UTC
by ChrisSmolinski
0 Replies
604 Views
Last post March 13, 2025, 1132 UTC
by ChrisSmolinski
0 Replies
394 Views
Last post March 25, 2025, 1527 UTC
by ChrisSmolinski
0 Replies
296 Views
Last post February 08, 2025, 1959 UTC
by ChrisSmolinski
14 Replies
817 Views
Last post May 04, 2025, 2320 UTC
by dxwingr
4 Replies
386 Views
Last post August 13, 2023, 1828 UTC
by ChrisSmolinski
7 Replies
496 Views
Last post July 21, 2025, 0148 UTC
by Sarge94
4 Replies
729 Views
Last post August 13, 2023, 2128 UTC
by dxwingr
10 Replies
900 Views
Last post December 22, 2023, 1414 UTC
by ChrisSmolinski
3 Replies
483 Views
Last post August 17, 2023, 2022 UTC
by Ron Hunsicker
0 Replies
327 Views
Last post June 05, 2023, 2351 UTC
by ~SIGINT~
20 Replies
1575 Views
Last post February 16, 2025, 0046 UTC
by Crater Eddie
13 Replies
1136 Views
Last post August 26, 2023, 0043 UTC
by Rob.
9 Replies
1146 Views
Last post February 22, 2024, 2357 UTC
by DCtoLight
13 Replies
1676 Views
Last post October 11, 2023, 0055 UTC
by Markokpik
16 Replies
1128 Views
Last post December 24, 2024, 2247 UTC
by ZFT

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns