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
2 Replies
333 Views
Last post October 14, 2024, 1652 UTC
by dxace1
3 Replies
414 Views
Last post October 14, 2024, 1630 UTC
by TRI International
2 Replies
323 Views
Last post October 14, 2024, 1511 UTC
by Ray Lalleu
1 Replies
237 Views
Last post October 14, 2024, 1509 UTC
by Ray Lalleu
2 Replies
231 Views
Last post October 14, 2024, 1453 UTC
by Ray Lalleu
1 Replies
272 Views
Last post October 14, 2024, 1447 UTC
by Ray Lalleu
3 Replies
385 Views
Last post October 14, 2024, 1415 UTC
by europirate
0 Replies
203 Views
Last post October 14, 2024, 0836 UTC
by Ray Lalleu
1 Replies
476 Views
Last post October 13, 2024, 2216 UTC
by ChrisSmolinski
0 Replies
171 Views
Last post October 13, 2024, 2206 UTC
by Fisherman
0 Replies
150 Views
Last post October 13, 2024, 2023 UTC
by europirate
2 Replies
276 Views
Last post October 13, 2024, 2012 UTC
by ciasteczkowypotwor
1 Replies
221 Views
Last post October 13, 2024, 1926 UTC
by Ronald_Mullis
0 Replies
268 Views
Last post October 13, 2024, 1914 UTC
by Ray Lalleu
0 Replies
189 Views
Last post October 13, 2024, 1910 UTC
by Ray Lalleu
1 Replies
190 Views
Last post October 13, 2024, 1849 UTC
by TRI International
0 Replies
211 Views
Last post October 13, 2024, 1839 UTC
by Ray Lalleu
1 Replies
171 Views
Last post October 13, 2024, 1834 UTC
by TRI International
1 Replies
183 Views
Last post October 13, 2024, 1832 UTC
by TRI International
1 Replies
247 Views
Last post October 13, 2024, 1827 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