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 March 04, 2023, 2203 UTC
by Ray Lalleu
0 Replies
388 Views
Last post March 06, 2023, 2046 UTC
by Ray Lalleu
0 Replies
389 Views
Last post October 21, 2024, 2242 UTC
by europirate
0 Replies
389 Views
Last post April 05, 2023, 2024 UTC
by Ray Lalleu
0 Replies
389 Views
Last post August 25, 2024, 2002 UTC
by europirate
0 Replies
389 Views
Last post March 28, 2024, 1940 UTC
by europirate
0 Replies
389 Views
Last post March 31, 2024, 1843 UTC
by europirate
0 Replies
389 Views
Last post January 01, 2024, 0157 UTC
by kris
0 Replies
389 Views
Last post September 13, 2025, 2104 UTC
by europirate
0 Replies
389 Views
Last post November 18, 2023, 2235 UTC
by europirate
0 Replies
389 Views
Last post October 03, 2024, 0341 UTC
by Shortwave_Listener
0 Replies
389 Views
Last post September 10, 2024, 2036 UTC
by europirate
0 Replies
389 Views
Last post January 24, 2023, 1954 UTC
by Ray Lalleu
0 Replies
390 Views
Last post April 11, 2023, 2111 UTC
by Ray Lalleu
0 Replies
390 Views
Last post April 04, 2024, 1951 UTC
by europirate
0 Replies
390 Views
Last post March 28, 2024, 1808 UTC
by J. Carlos Pérez Montero
0 Replies
390 Views
Last post August 30, 2022, 1931 UTC
by Ray Lalleu
0 Replies
390 Views
Last post October 20, 2022, 1548 UTC
by Shortwave_Listener
0 Replies
390 Views
Last post February 08, 2023, 2015 UTC
by Ray Lalleu
0 Replies
390 Views
Last post February 23, 2023, 2017 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 House Flag
by MitchellTimeDesigns