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
298 Views
Last post May 24, 2025, 2011 UTC
by Ray Lalleu
0 Replies
298 Views
Last post April 15, 2023, 1635 UTC
by kris
1 Replies
298 Views
Last post October 04, 2023, 2047 UTC
by kris
1 Replies
298 Views
Last post July 21, 2023, 2317 UTC
by kris
1 Replies
298 Views
Last post April 08, 2023, 1811 UTC
by dxace1
0 Replies
298 Views
Last post May 17, 2025, 1913 UTC
by FOX
1 Replies
298 Views
Last post August 17, 2024, 1638 UTC
by Henk zomerzon
1 Replies
298 Views
Last post October 08, 2024, 1915 UTC
by europirate
0 Replies
298 Views
Last post February 01, 2023, 1606 UTC
by Ray Lalleu
0 Replies
298 Views
Last post March 22, 2023, 0829 UTC
by dave1965
1 Replies
298 Views
Last post August 17, 2024, 0830 UTC
by Fisherman
2 Replies
298 Views
Last post August 10, 2025, 2126 UTC
by Robertas
1 Replies
298 Views
Last post July 12, 2025, 0812 UTC
by dave1965
0 Replies
298 Views
Last post September 21, 2022, 2026 UTC
by Ray Lalleu
0 Replies
298 Views
Last post March 30, 2025, 1631 UTC
by Ray Lalleu
0 Replies
298 Views
Last post January 20, 2023, 0830 UTC
by Ray Lalleu
1 Replies
298 Views
Last post March 26, 2023, 1447 UTC
by kris
0 Replies
298 Views
Last post December 22, 2022, 1652 UTC
by Ray Lalleu
0 Replies
298 Views
Last post May 11, 2025, 1439 UTC
by Ray Lalleu
1 Replies
298 Views
Last post July 11, 2025, 2101 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