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
360 Views
Last post October 28, 2022, 1957 UTC
by kris
0 Replies
362 Views
Last post October 20, 2022, 2318 UTC
by kris
0 Replies
257 Views
Last post December 15, 2023, 2033 UTC
by kris
0 Replies
512 Views
Last post June 19, 2022, 1942 UTC
by kris
0 Replies
199 Views
Last post February 26, 2024, 1901 UTC
by kris
0 Replies
253 Views
Last post November 10, 2024, 2016 UTC
by kris
0 Replies
334 Views
Last post February 07, 2023, 1919 UTC
by kris
0 Replies
353 Views
Last post February 03, 2023, 1912 UTC
by kris
3 Replies
569 Views
Last post December 21, 2023, 2039 UTC
by Mick Boyle
0 Replies
458 Views
Last post July 07, 2022, 2256 UTC
by kris
0 Replies
342 Views
Last post November 07, 2022, 1925 UTC
by kris
0 Replies
345 Views
Last post October 22, 2022, 1552 UTC
by kris
0 Replies
205 Views
Last post February 25, 2024, 0212 UTC
by n2avh
0 Replies
655 Views
Last post March 10, 2022, 0958 UTC
by Kai
0 Replies
499 Views
Last post July 28, 2022, 2217 UTC
by kris
1 Replies
385 Views
Last post November 03, 2022, 1924 UTC
by Shortwave_Listener
0 Replies
236 Views
Last post December 23, 2023, 0005 UTC
by kris
1 Replies
525 Views
Last post September 28, 2022, 2134 UTC
by Ray Lalleu
0 Replies
400 Views
Last post September 02, 2022, 2131 UTC
by kris
1 Replies
402 Views
Last post November 09, 2022, 0003 UTC
by Shortwave_Listener

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns