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
0 Replies
342 Views
Last post March 26, 2023, 1930 UTC
by Ray Lalleu
0 Replies
341 Views
Last post October 21, 2022, 2137 UTC
by Ray Lalleu
0 Replies
341 Views
Last post December 17, 2022, 1604 UTC
by Intruder
0 Replies
341 Views
Last post January 05, 2023, 0501 UTC
by Shortwave_Listener
0 Replies
341 Views
Last post March 27, 2023, 2230 UTC
by Ray Lalleu
0 Replies
340 Views
Last post December 21, 2022, 0018 UTC
by Shortwave_Listener
0 Replies
340 Views
Last post January 04, 2023, 1528 UTC
by Shortwave_Listener
0 Replies
340 Views
Last post March 25, 2023, 2120 UTC
by Ray Lalleu
0 Replies
340 Views
Last post March 25, 2023, 2153 UTC
by Ray Lalleu
0 Replies
339 Views
Last post August 07, 2022, 2150 UTC
by Ray Lalleu
0 Replies
339 Views
Last post October 21, 2022, 1814 UTC
by Shortwave_Listener
0 Replies
339 Views
Last post January 17, 2025, 2318 UTC
by ukdxer
0 Replies
339 Views
Last post December 03, 2022, 1739 UTC
by Shortwave_Listener
0 Replies
339 Views
Last post December 25, 2022, 1842 UTC
by europirate
0 Replies
339 Views
Last post March 03, 2023, 1947 UTC
by kris
0 Replies
339 Views
Last post March 14, 2023, 1944 UTC
by kris
0 Replies
339 Views
Last post December 24, 2024, 2029 UTC
by europirate
0 Replies
338 Views
Last post November 07, 2022, 1447 UTC
by Misti-Radio
0 Replies
338 Views
Last post November 24, 2022, 2153 UTC
by europirate
0 Replies
338 Views
Last post December 15, 2023, 0916 UTC
by TRI International

 

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