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
275 Views
Last post October 09, 2022, 2126 UTC
by Ray Lalleu
0 Replies
275 Views
Last post March 17, 2024, 1221 UTC
by Ethernut
0 Replies
275 Views
Last post January 20, 2024, 1742 UTC
by Ray Lalleu
1 Replies
275 Views
Last post April 06, 2025, 1359 UTC
by RainBrandy
0 Replies
275 Views
Last post October 03, 2022, 1056 UTC
by Ray Lalleu
0 Replies
275 Views
Last post September 24, 2023, 0739 UTC
by Ray Lalleu
0 Replies
275 Views
Last post November 01, 2022, 1915 UTC
by Ray Lalleu
0 Replies
275 Views
Last post October 13, 2024, 0820 UTC
by dave1965
2 Replies
275 Views
Last post December 25, 2024, 1100 UTC
by m3ozp1
1 Replies
275 Views
Last post April 01, 2025, 2054 UTC
by Ray Lalleu
1 Replies
275 Views
Last post September 21, 2024, 2025 UTC
by Fisherman
2 Replies
275 Views
Last post November 17, 2024, 1747 UTC
by Ray Lalleu
1 Replies
275 Views
Last post February 05, 2025, 1812 UTC
by kris
0 Replies
275 Views
Last post April 15, 2023, 1239 UTC
by Ethernut
1 Replies
275 Views
Last post June 16, 2024, 0842 UTC
by Fisherman
0 Replies
275 Views
Last post April 01, 2025, 1043 UTC
by Ray Lalleu
0 Replies
275 Views
Last post July 16, 2024, 2127 UTC
by Ray Lalleu
1 Replies
274 Views
Last post August 26, 2025, 2004 UTC
by Ray Lalleu
1 Replies
274 Views
Last post April 06, 2025, 1553 UTC
by Ray Lalleu
0 Replies
274 Views
Last post March 18, 2024, 0733 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 T-Shirt
by MitchellTimeDesigns