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
125 Views
Last post November 27, 2025, 0718 UTC
by radio56
0 Replies
145 Views
Last post November 27, 2025, 0224 UTC
by kris
1 Replies
129 Views
Last post November 26, 2025, 2317 UTC
by Ray Lalleu
2 Replies
194 Views
Last post November 26, 2025, 2300 UTC
by kris
0 Replies
112 Views
Last post November 26, 2025, 2120 UTC
by ChrisSmolinski
1 Replies
264 Views
Last post November 26, 2025, 1829 UTC
by Alex BLR
1 Replies
132 Views
Last post November 26, 2025, 1736 UTC
by Ray Lalleu
1 Replies
133 Views
Last post November 26, 2025, 1730 UTC
by Alex BLR
4 Replies
289 Views
Last post November 26, 2025, 1726 UTC
by Pascal
2 Replies
195 Views
Last post November 26, 2025, 1725 UTC
by TRI International
1 Replies
141 Views
Last post November 26, 2025, 1640 UTC
by Ray Lalleu
1 Replies
140 Views
Last post November 26, 2025, 1636 UTC
by Alex BLR
1 Replies
148 Views
Last post November 26, 2025, 1610 UTC
by Ray Lalleu
1 Replies
133 Views
Last post November 26, 2025, 1605 UTC
by Ray Lalleu
1 Replies
146 Views
Last post November 26, 2025, 1545 UTC
by Ray Lalleu
1 Replies
144 Views
Last post November 26, 2025, 1540 UTC
by Ray Lalleu
2 Replies
195 Views
Last post November 26, 2025, 1530 UTC
by Alex BLR
0 Replies
172 Views
Last post November 25, 2025, 2356 UTC
by Ray Lalleu
2 Replies
281 Views
Last post November 25, 2025, 2256 UTC
by kris
0 Replies
131 Views
Last post November 25, 2025, 2049 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