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
2 Replies
178 Views
Last post August 11, 2025, 1516 UTC
by Ray Lalleu
0 Replies
115 Views
Last post August 10, 2025, 2150 UTC
by Ray Lalleu
2 Replies
189 Views
Last post August 10, 2025, 2126 UTC
by Robertas
3 Replies
217 Views
Last post August 10, 2025, 2124 UTC
by dxace1
2 Replies
147 Views
Last post August 10, 2025, 2117 UTC
by Robertas
0 Replies
88 Views
Last post August 10, 2025, 2107 UTC
by Ray Lalleu
6 Replies
286 Views
Last post August 10, 2025, 2055 UTC
by FOX
1 Replies
125 Views
Last post August 10, 2025, 2048 UTC
by Ray Lalleu
1 Replies
115 Views
Last post August 10, 2025, 2046 UTC
by Ray Lalleu
2 Replies
164 Views
Last post August 10, 2025, 2026 UTC
by Ray Lalleu
0 Replies
102 Views
Last post August 10, 2025, 2024 UTC
by Ray Lalleu
2 Replies
167 Views
Last post August 10, 2025, 2009 UTC
by Alex BLR
0 Replies
80 Views
Last post August 10, 2025, 1954 UTC
by Ray Lalleu
2 Replies
149 Views
Last post August 10, 2025, 1947 UTC
by Ethernut
0 Replies
85 Views
Last post August 10, 2025, 1944 UTC
by Robertas
1 Replies
96 Views
Last post August 10, 2025, 1935 UTC
by Ray Lalleu
1 Replies
92 Views
Last post August 10, 2025, 1925 UTC
by Ray Lalleu
2 Replies
186 Views
Last post August 10, 2025, 1907 UTC
by DBullock
1 Replies
43 Views
Last post August 10, 2025, 1732 UTC
by Alex BLR
1 Replies
160 Views
Last post August 10, 2025, 1727 UTC
by dxhound2005

 

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