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
196 Views
Last post June 17, 2023, 2103 UTC
by Ray Lalleu
1 Replies
279 Views
Last post June 17, 2023, 2115 UTC
by kris
3 Replies
368 Views
Last post June 17, 2023, 2204 UTC
by kris
1 Replies
247 Views
Last post June 17, 2023, 2214 UTC
by kris
0 Replies
229 Views
Last post June 18, 2023, 0207 UTC
by N2MLP
0 Replies
231 Views
Last post June 18, 2023, 0835 UTC
by Ray Lalleu
7 Replies
857 Views
Last post June 18, 2023, 0921 UTC
by ukdxer
2 Replies
462 Views
Last post June 18, 2023, 0925 UTC
by europirate
1 Replies
346 Views
Last post June 18, 2023, 1018 UTC
by RainBrandy
0 Replies
251 Views
Last post June 18, 2023, 1559 UTC
by FOX
0 Replies
190 Views
Last post June 18, 2023, 1657 UTC
by Ray Lalleu
1 Replies
262 Views
Last post June 18, 2023, 1701 UTC
by Ray Lalleu
0 Replies
216 Views
Last post June 18, 2023, 1710 UTC
by Ray Lalleu
0 Replies
163 Views
Last post June 18, 2023, 1710 UTC
by kris
0 Replies
214 Views
Last post June 18, 2023, 1855 UTC
by Shortwave_Listener
1 Replies
247 Views
Last post June 18, 2023, 1936 UTC
by Shortwave_Listener
1 Replies
239 Views
Last post June 18, 2023, 2027 UTC
by Ray Lalleu
2 Replies
479 Views
Last post June 18, 2023, 2133 UTC
by kris
1 Replies
255 Views
Last post June 18, 2023, 2140 UTC
by kris
2 Replies
280 Views
Last post June 19, 2023, 2045 UTC
by kris

 

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