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
62 Views
Last post December 14, 2025, 1423 UTC
by Ray Lalleu
0 Replies
61 Views
Last post December 14, 2025, 1204 UTC
by TRI International
1 Replies
61 Views
Last post Today at 13:53
by Ray Lalleu
0 Replies
59 Views
Last post Today at 14:18
by Ray Lalleu
0 Replies
59 Views
Last post December 16, 2025, 1530 UTC
by Ray Lalleu
0 Replies
59 Views
Last post December 16, 2025, 0851 UTC
by Alex BLR
0 Replies
58 Views
Last post December 16, 2025, 1620 UTC
by Ray Lalleu
0 Replies
57 Views
Last post December 14, 2025, 0928 UTC
by Ray Lalleu
0 Replies
57 Views
Last post December 15, 2025, 1511 UTC
by Ray Lalleu
0 Replies
57 Views
Last post December 16, 2025, 1603 UTC
by Ray Lalleu
0 Replies
56 Views
Last post December 15, 2025, 1441 UTC
by Ray Lalleu
0 Replies
56 Views
Last post Today at 14:05
by Ray Lalleu
0 Replies
54 Views
Last post December 15, 2025, 1623 UTC
by Ray Lalleu
0 Replies
53 Views
Last post December 14, 2025, 1406 UTC
by europirate
0 Replies
53 Views
Last post December 16, 2025, 1535 UTC
by Ray Lalleu
0 Replies
51 Views
Last post December 14, 2025, 0935 UTC
by Ray Lalleu
0 Replies
50 Views
Last post December 14, 2025, 1616 UTC
by Ray Lalleu
0 Replies
50 Views
Last post December 16, 2025, 1557 UTC
by Ray Lalleu
1 Replies
47 Views
Last post December 14, 2025, 1051 UTC
by Ray Lalleu
0 Replies
46 Views
Last post December 13, 2025, 1934 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