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
55 Views
Last post Today at 08:00
by europirate
0 Replies
55 Views
Last post June 27, 2025, 2143 UTC
by europirate
0 Replies
56 Views
Last post July 10, 2025, 2207 UTC
by Ray Lalleu
0 Replies
56 Views
Last post June 27, 2025, 2134 UTC
by europirate
1 Replies
57 Views
Last post Today at 08:12
by dave1965
0 Replies
60 Views
Last post July 11, 2025, 2009 UTC
by Ray Lalleu
0 Replies
60 Views
Last post July 11, 2025, 1918 UTC
by Ray Lalleu
0 Replies
60 Views
Last post July 11, 2025, 1726 UTC
by Ray Lalleu
0 Replies
61 Views
Last post July 11, 2025, 2217 UTC
by Ray Lalleu
1 Replies
61 Views
Last post Today at 15:22
by Ray Lalleu
0 Replies
62 Views
Last post June 28, 2025, 1442 UTC
by Ray Lalleu
0 Replies
63 Views
Last post June 27, 2025, 2137 UTC
by europirate
0 Replies
63 Views
Last post June 28, 2025, 1711 UTC
by europirate
0 Replies
63 Views
Last post June 28, 2025, 1443 UTC
by Ray Lalleu
0 Replies
63 Views
Last post July 10, 2025, 1712 UTC
by Ray Lalleu
0 Replies
64 Views
Last post June 22, 2025, 1730 UTC
by Ray Lalleu
0 Replies
64 Views
Last post June 29, 2025, 0802 UTC
by Ray Lalleu
0 Replies
65 Views
Last post June 22, 2025, 1712 UTC
by Ray Lalleu
0 Replies
65 Views
Last post July 02, 2025, 1908 UTC
by Ray Lalleu
0 Replies
65 Views
Last post June 29, 2025, 0744 UTC
by Robertas

 

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