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
483 Views
Last post July 16, 2023, 0353 UTC
by Molvania Poacher
16 Replies
1530 Views
Last post July 16, 2023, 0117 UTC
by Markokpik
2 Replies
329 Views
Last post July 15, 2023, 2349 UTC
by N2MLP
2 Replies
495 Views
Last post July 15, 2023, 2207 UTC
by Big Badfish Al
15 Replies
1115 Views
Last post July 15, 2023, 1944 UTC
by Pigmeat
8 Replies
747 Views
Last post July 15, 2023, 1932 UTC
by N2MLP
10 Replies
904 Views
Last post July 15, 2023, 1914 UTC
by Pigmeat
12 Replies
1056 Views
Last post July 15, 2023, 1853 UTC
by Pigmeat
2 Replies
568 Views
Last post July 15, 2023, 1826 UTC
by Pigmeat
3 Replies
482 Views
Last post July 15, 2023, 1823 UTC
by Pigmeat
1 Replies
259 Views
Last post July 15, 2023, 1642 UTC
by ChrisSmolinski
0 Replies
262 Views
Last post July 15, 2023, 0459 UTC
by Shortwave_Listener
0 Replies
247 Views
Last post July 15, 2023, 0125 UTC
by ~SIGINT~
0 Replies
305 Views
Last post July 14, 2023, 2345 UTC
by Skipmuck
9 Replies
930 Views
Last post July 14, 2023, 1653 UTC
by ChrisSmolinski
1 Replies
443 Views
Last post July 14, 2023, 0457 UTC
by IrvingtonVFD43
2 Replies
495 Views
Last post July 13, 2023, 1519 UTC
by ChrisSmolinski
0 Replies
261 Views
Last post July 13, 2023, 0455 UTC
by Shortwave_Listener
8 Replies
868 Views
Last post July 13, 2023, 0229 UTC
by Big Badfish Al
4 Replies
561 Views
Last post July 13, 2023, 0120 UTC
by N2MLP

 

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