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
299 Views
Last post March 21, 2023, 2034 UTC
by Ray Lalleu
0 Replies
299 Views
Last post November 14, 2023, 2007 UTC
by europirate
0 Replies
299 Views
Last post November 24, 2023, 2211 UTC
by kris
0 Replies
299 Views
Last post December 12, 2024, 2105 UTC
by europirate
0 Replies
299 Views
Last post January 25, 2024, 1944 UTC
by FOX
0 Replies
299 Views
Last post February 11, 2025, 2106 UTC
by europirate
0 Replies
299 Views
Last post March 17, 2024, 2107 UTC
by europirate
0 Replies
299 Views
Last post October 22, 2022, 0609 UTC
by Shortwave_Listener
0 Replies
300 Views
Last post October 08, 2024, 1914 UTC
by europirate
0 Replies
300 Views
Last post November 13, 2022, 1750 UTC
by Shortwave_Listener
0 Replies
300 Views
Last post January 15, 2023, 1843 UTC
by Ray Lalleu
0 Replies
300 Views
Last post December 30, 2022, 2229 UTC
by Ray Lalleu
0 Replies
300 Views
Last post December 09, 2022, 1950 UTC
by Ray Lalleu
0 Replies
300 Views
Last post January 06, 2024, 2059 UTC
by europirate
0 Replies
300 Views
Last post April 15, 2024, 1928 UTC
by europirate
0 Replies
301 Views
Last post December 01, 2024, 1740 UTC
by europirate
0 Replies
301 Views
Last post November 04, 2024, 2303 UTC
by europirate
0 Replies
301 Views
Last post November 06, 2024, 2217 UTC
by europirate
0 Replies
301 Views
Last post December 11, 2022, 1949 UTC
by Ray Lalleu
0 Replies
301 Views
Last post December 15, 2023, 2033 UTC
by kris

 

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