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
198 Views
Last post July 27, 2023, 2019 UTC
by Ray Lalleu
0 Replies
166 Views
Last post July 27, 2023, 1946 UTC
by Ray Lalleu
0 Replies
168 Views
Last post July 27, 2023, 1933 UTC
by Ray Lalleu
0 Replies
189 Views
Last post July 26, 2023, 2134 UTC
by Ray Lalleu
0 Replies
175 Views
Last post July 26, 2023, 2115 UTC
by Ray Lalleu
0 Replies
167 Views
Last post July 26, 2023, 2059 UTC
by Ray Lalleu
4 Replies
343 Views
Last post July 26, 2023, 2051 UTC
by Ray Lalleu
1 Replies
206 Views
Last post July 26, 2023, 2033 UTC
by kris
1 Replies
238 Views
Last post July 26, 2023, 2030 UTC
by kris
0 Replies
174 Views
Last post July 26, 2023, 1921 UTC
by Ray Lalleu
0 Replies
181 Views
Last post July 26, 2023, 1906 UTC
by Ray Lalleu
0 Replies
199 Views
Last post July 26, 2023, 1905 UTC
by Shortwave_Listener
0 Replies
240 Views
Last post July 26, 2023, 1852 UTC
by Ray Lalleu
0 Replies
225 Views
Last post July 26, 2023, 1837 UTC
by Ray Lalleu
0 Replies
192 Views
Last post July 26, 2023, 1629 UTC
by Ray Lalleu
0 Replies
211 Views
Last post July 26, 2023, 0824 UTC
by Ray Lalleu
1 Replies
265 Views
Last post July 26, 2023, 0112 UTC
by N2MLP
2 Replies
244 Views
Last post July 25, 2023, 2324 UTC
by N2MLP
1 Replies
201 Views
Last post July 25, 2023, 2233 UTC
by kris
0 Replies
231 Views
Last post July 25, 2023, 2057 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 Garden Flag
by MitchellTimeDesigns