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
168 Views
Last post November 10, 2024, 0842 UTC
by AlexRadioDX
1 Replies
161 Views
Last post November 10, 2024, 0830 UTC
by AlexRadioDX
1 Replies
437 Views
Last post November 09, 2024, 2322 UTC
by kris
1 Replies
370 Views
Last post November 09, 2024, 2312 UTC
by prldx
1 Replies
226 Views
Last post November 09, 2024, 2021 UTC
by achim
1 Replies
259 Views
Last post November 09, 2024, 1930 UTC
by FOX
1 Replies
232 Views
Last post November 09, 2024, 1927 UTC
by FOX
1 Replies
266 Views
Last post November 09, 2024, 1845 UTC
by kris
1 Replies
229 Views
Last post November 09, 2024, 1832 UTC
by kris
1 Replies
216 Views
Last post November 09, 2024, 1549 UTC
by Ray Lalleu
1 Replies
212 Views
Last post November 09, 2024, 1448 UTC
by AlexRadioDX
1 Replies
274 Views
Last post November 09, 2024, 1211 UTC
by TRI International
1 Replies
181 Views
Last post November 09, 2024, 1110 UTC
by n2avh
1 Replies
311 Views
Last post November 09, 2024, 1107 UTC
by Ray Lalleu
1 Replies
143 Views
Last post November 09, 2024, 1032 UTC
by europirate
1 Replies
408 Views
Last post November 08, 2024, 2159 UTC
by Ray Lalleu
1 Replies
266 Views
Last post November 08, 2024, 2142 UTC
by TRI International
1 Replies
264 Views
Last post November 08, 2024, 2039 UTC
by Fisherman
1 Replies
225 Views
Last post November 08, 2024, 1050 UTC
by TRI International
1 Replies
223 Views
Last post November 07, 2024, 1751 UTC
by TRI International

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns