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
284 Views
Last post December 24, 2023, 1449 UTC
by Ray Lalleu
0 Replies
284 Views
Last post October 09, 2023, 1948 UTC
by Ray Lalleu
0 Replies
284 Views
Last post June 18, 2023, 0207 UTC
by N2MLP
0 Replies
284 Views
Last post January 21, 2024, 1043 UTC
by Ray Lalleu
0 Replies
284 Views
Last post December 26, 2022, 2159 UTC
by Ray Lalleu
1 Replies
284 Views
Last post August 07, 2023, 2158 UTC
by TRI International
0 Replies
284 Views
Last post August 30, 2024, 2103 UTC
by Ray Lalleu
0 Replies
284 Views
Last post March 05, 2023, 1705 UTC
by Ray Lalleu
0 Replies
284 Views
Last post December 09, 2022, 1324 UTC
by Ray Lalleu
0 Replies
284 Views
Last post April 28, 2025, 1940 UTC
by Ray Lalleu
0 Replies
284 Views
Last post January 14, 2024, 1411 UTC
by Ray Lalleu
0 Replies
284 Views
Last post June 29, 2023, 1935 UTC
by Ray Lalleu
1 Replies
284 Views
Last post October 13, 2024, 0820 UTC
by europirate
0 Replies
284 Views
Last post October 13, 2024, 1329 UTC
by RainBrandy
0 Replies
284 Views
Last post February 18, 2023, 1833 UTC
by Ray Lalleu
0 Replies
284 Views
Last post May 23, 2023, 1117 UTC
by FOX
0 Replies
284 Views
Last post April 10, 2025, 1646 UTC
by Ray Lalleu
0 Replies
284 Views
Last post February 16, 2024, 1016 UTC
by Ray Lalleu
0 Replies
284 Views
Last post December 10, 2022, 1959 UTC
by Ray Lalleu
0 Replies
284 Views
Last post March 19, 2023, 0019 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 T-Shirt
by MitchellTimeDesigns