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
1 Replies
208 Views
Last post November 19, 2023, 1148 UTC
by kris
1 Replies
208 Views
Last post December 31, 2023, 1751 UTC
by kris
0 Replies
208 Views
Last post March 15, 2025, 1438 UTC
by Ray Lalleu
1 Replies
208 Views
Last post March 29, 2025, 0848 UTC
by Ray Lalleu
0 Replies
208 Views
Last post February 08, 2024, 1702 UTC
by Ray Lalleu
0 Replies
208 Views
Last post April 29, 2023, 0920 UTC
by Ray Lalleu
1 Replies
208 Views
Last post July 14, 2023, 2043 UTC
by Robertas
1 Replies
208 Views
Last post October 13, 2024, 0820 UTC
by europirate
1 Replies
208 Views
Last post February 21, 2025, 1855 UTC
by Princo
0 Replies
208 Views
Last post July 14, 2023, 2057 UTC
by Ray Lalleu
1 Replies
208 Views
Last post November 10, 2024, 1721 UTC
by europirate
0 Replies
208 Views
Last post May 13, 2023, 0727 UTC
by Ray Lalleu
2 Replies
208 Views
Last post November 22, 2024, 1737 UTC
by dave1965
1 Replies
208 Views
Last post January 14, 2024, 1343 UTC
by europirate
0 Replies
208 Views
Last post April 21, 2024, 1701 UTC
by Ray Lalleu
0 Replies
208 Views
Last post September 13, 2024, 1315 UTC
by europirate
2 Replies
208 Views
Last post August 19, 2023, 1937 UTC
by europirate
0 Replies
208 Views
Last post March 11, 2023, 1515 UTC
by Ray Lalleu
0 Replies
208 Views
Last post August 25, 2023, 1926 UTC
by Ray Lalleu
0 Replies
208 Views
Last post February 25, 2025, 1741 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