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
74 Views
Last post July 16, 2025, 2020 UTC
by Ray Lalleu
0 Replies
91 Views
Last post July 16, 2025, 2002 UTC
by Ray Lalleu
1 Replies
124 Views
Last post July 16, 2025, 1948 UTC
by Princo
1 Replies
110 Views
Last post July 16, 2025, 1806 UTC
by ukdxer
2 Replies
162 Views
Last post July 16, 2025, 1804 UTC
by ukdxer
0 Replies
90 Views
Last post July 16, 2025, 1552 UTC
by Ray Lalleu
0 Replies
99 Views
Last post July 16, 2025, 1327 UTC
by dxace1
0 Replies
107 Views
Last post July 15, 2025, 2112 UTC
by Ray Lalleu
0 Replies
59 Views
Last post July 15, 2025, 2042 UTC
by europirate
1 Replies
133 Views
Last post July 15, 2025, 2041 UTC
by europirate
1 Replies
116 Views
Last post July 15, 2025, 1938 UTC
by Alex BLR
0 Replies
56 Views
Last post July 15, 2025, 1858 UTC
by Ray Lalleu
1 Replies
114 Views
Last post July 15, 2025, 1846 UTC
by Ray Lalleu
0 Replies
89 Views
Last post July 15, 2025, 1610 UTC
by dave1965
2 Replies
184 Views
Last post July 15, 2025, 1602 UTC
by dave1965
0 Replies
74 Views
Last post July 15, 2025, 1420 UTC
by kris
0 Replies
62 Views
Last post July 15, 2025, 1258 UTC
by kris
0 Replies
78 Views
Last post July 15, 2025, 1027 UTC
by Ray Lalleu
0 Replies
88 Views
Last post July 14, 2025, 2133 UTC
by Ray Lalleu
0 Replies
106 Views
Last post July 14, 2025, 2014 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 House Flag
by MitchellTimeDesigns