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
163 Views
Last post April 27, 2025, 1646 UTC
by europirate
0 Replies
163 Views
Last post November 19, 2023, 1054 UTC
by Ray Lalleu
1 Replies
163 Views
Last post June 29, 2025, 0814 UTC
by Ray Lalleu
0 Replies
163 Views
Last post May 10, 2025, 1921 UTC
by Ray Lalleu
0 Replies
163 Views
Last post March 17, 2024, 1038 UTC
by Ray Lalleu
1 Replies
163 Views
Last post July 20, 2025, 0845 UTC
by Alex BLR
0 Replies
163 Views
Last post July 06, 2025, 2112 UTC
by Ray Lalleu
0 Replies
163 Views
Last post April 27, 2025, 1342 UTC
by europirate
1 Replies
163 Views
Last post August 01, 2025, 2214 UTC
by dave1965
0 Replies
163 Views
Last post November 26, 2023, 0746 UTC
by Ray Lalleu
1 Replies
163 Views
Last post July 12, 2025, 1842 UTC
by Ray Lalleu
1 Replies
163 Views
Last post July 17, 2025, 1622 UTC
by Ray Lalleu
1 Replies
163 Views
Last post December 22, 2024, 2150 UTC
by N2MLP
0 Replies
163 Views
Last post February 16, 2025, 1631 UTC
by Ray Lalleu
0 Replies
163 Views
Last post December 29, 2024, 1612 UTC
by kris
0 Replies
163 Views
Last post February 02, 2025, 1245 UTC
by europirate
0 Replies
163 Views
Last post July 26, 2023, 2059 UTC
by Ray Lalleu
0 Replies
163 Views
Last post July 27, 2023, 1946 UTC
by Ray Lalleu
0 Replies
163 Views
Last post November 27, 2024, 1646 UTC
by Ray Lalleu
0 Replies
163 Views
Last post May 04, 2025, 1729 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