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
216 Views
Last post December 29, 2024, 1053 UTC
by Ray Lalleu
3 Replies
353 Views
Last post December 29, 2024, 1029 UTC
by europirate
0 Replies
165 Views
Last post December 29, 2024, 0954 UTC
by Ray Lalleu
0 Replies
155 Views
Last post December 29, 2024, 0940 UTC
by Ray Lalleu
1 Replies
303 Views
Last post December 29, 2024, 0920 UTC
by RainBrandy
1 Replies
347 Views
Last post December 29, 2024, 0901 UTC
by Funkenblitz
0 Replies
192 Views
Last post December 29, 2024, 0853 UTC
by Ray Lalleu
0 Replies
143 Views
Last post December 29, 2024, 0843 UTC
by Ray Lalleu
0 Replies
151 Views
Last post December 29, 2024, 0839 UTC
by Ray Lalleu
2 Replies
573 Views
Last post December 28, 2024, 2347 UTC
by greekdx
1 Replies
242 Views
Last post December 28, 2024, 2256 UTC
by Ray Lalleu
1 Replies
228 Views
Last post December 28, 2024, 2102 UTC
by Ray Lalleu
0 Replies
274 Views
Last post December 28, 2024, 1809 UTC
by ciasteczkowypotwor
1 Replies
208 Views
Last post December 28, 2024, 1725 UTC
by Princo
3 Replies
294 Views
Last post December 28, 2024, 1650 UTC
by Fisherman
1 Replies
272 Views
Last post December 28, 2024, 1630 UTC
by TRI International
0 Replies
153 Views
Last post December 28, 2024, 1628 UTC
by Ray Lalleu
1 Replies
272 Views
Last post December 28, 2024, 1559 UTC
by ukdxer
0 Replies
184 Views
Last post December 28, 2024, 1538 UTC
by Ray Lalleu
1 Replies
301 Views
Last post December 28, 2024, 1525 UTC
by Alaska_CZ

 

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