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
388 Views
Last post November 20, 2023, 1943 UTC
by europirate
0 Replies
388 Views
Last post December 15, 2023, 0855 UTC
by TRI International
0 Replies
388 Views
Last post February 09, 2023, 2036 UTC
by Ray Lalleu
0 Replies
388 Views
Last post March 15, 2023, 1930 UTC
by kris
0 Replies
388 Views
Last post April 16, 2023, 1931 UTC
by kris
0 Replies
387 Views
Last post August 12, 2022, 2132 UTC
by Ray Lalleu
0 Replies
387 Views
Last post October 06, 2022, 1713 UTC
by Ray Lalleu
0 Replies
387 Views
Last post October 18, 2022, 2133 UTC
by Ray Lalleu
0 Replies
387 Views
Last post October 29, 2022, 1755 UTC
by kris
0 Replies
387 Views
Last post November 08, 2022, 1820 UTC
by kris
1 Replies
387 Views
Last post January 07, 2023, 2038 UTC
by Ray Lalleu
0 Replies
387 Views
Last post February 09, 2023, 1813 UTC
by kris
0 Replies
386 Views
Last post October 23, 2022, 1750 UTC
by Shortwave_Listener
0 Replies
386 Views
Last post December 27, 2024, 2109 UTC
by europirate
1 Replies
386 Views
Last post November 30, 2022, 2114 UTC
by kris
0 Replies
386 Views
Last post December 14, 2023, 1741 UTC
by europirate
0 Replies
385 Views
Last post February 17, 2025, 2053 UTC
by europirate
0 Replies
385 Views
Last post December 26, 2023, 1125 UTC
by TRI International
1 Replies
385 Views
Last post December 26, 2023, 1644 UTC
by europirate
0 Replies
385 Views
Last post March 08, 2023, 2258 UTC
by Ray Lalleu

 

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