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
3 Replies
772 Views
Last post November 01, 2023, 1933 UTC
by ~SIGINT~
1 Replies
524 Views
Last post November 01, 2023, 1444 UTC
by Markokpik
15 Replies
2195 Views
Last post November 01, 2023, 1430 UTC
by Oliver
22 Replies
2133 Views
Last post November 01, 2023, 1349 UTC
by Oliver
5 Replies
698 Views
Last post November 01, 2023, 1336 UTC
by Sealord
24 Replies
2174 Views
Last post November 01, 2023, 1335 UTC
by Sealord
8 Replies
987 Views
Last post November 01, 2023, 1251 UTC
by ChrisSmolinski
9 Replies
1177 Views
Last post November 01, 2023, 1251 UTC
by ChrisSmolinski
25 Replies
2195 Views
Last post November 01, 2023, 1250 UTC
by ChrisSmolinski
9 Replies
1030 Views
Last post November 01, 2023, 0528 UTC
by canswl
2 Replies
607 Views
Last post November 01, 2023, 0232 UTC
by myteaquinn
3 Replies
517 Views
Last post November 01, 2023, 0217 UTC
by Chuck54
1 Replies
348 Views
Last post November 01, 2023, 0211 UTC
by RobRich
0 Replies
344 Views
Last post November 01, 2023, 0211 UTC
by Shortwave_Listener
19 Replies
1772 Views
Last post November 01, 2023, 0206 UTC
by Markokpik
12 Replies
1340 Views
Last post November 01, 2023, 0158 UTC
by Skipmuck
0 Replies
319 Views
Last post November 01, 2023, 0151 UTC
by Ray Lalleu
4 Replies
524 Views
Last post November 01, 2023, 0148 UTC
by RobRich
12 Replies
1399 Views
Last post November 01, 2023, 0142 UTC
by RobRich
5 Replies
640 Views
Last post November 01, 2023, 0141 UTC
by ✠ Blue Max

 

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