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
412 Views
Last post September 24, 2022, 1856 UTC
by kris
1 Replies
352 Views
Last post September 24, 2022, 1855 UTC
by Ray Lalleu
0 Replies
251 Views
Last post September 24, 2022, 1841 UTC
by Ray Lalleu
1 Replies
317 Views
Last post September 24, 2022, 1838 UTC
by Ray Lalleu
1 Replies
344 Views
Last post September 24, 2022, 1828 UTC
by Ray Lalleu
0 Replies
294 Views
Last post September 24, 2022, 1826 UTC
by Shortwave_Listener
1 Replies
332 Views
Last post September 24, 2022, 1734 UTC
by kobalts
0 Replies
342 Views
Last post September 24, 2022, 1616 UTC
by Ray Lalleu
2 Replies
430 Views
Last post September 24, 2022, 1602 UTC
by kris
0 Replies
271 Views
Last post September 24, 2022, 1427 UTC
by Ray Lalleu
1 Replies
346 Views
Last post September 24, 2022, 1211 UTC
by kobalts
0 Replies
259 Views
Last post September 24, 2022, 0803 UTC
by Ray Lalleu
0 Replies
233 Views
Last post September 24, 2022, 0738 UTC
by Ray Lalleu
1 Replies
317 Views
Last post September 24, 2022, 0720 UTC
by dave1965
1 Replies
332 Views
Last post September 23, 2022, 2202 UTC
by kris
0 Replies
283 Views
Last post September 23, 2022, 2100 UTC
by Ray Lalleu
0 Replies
298 Views
Last post September 23, 2022, 1932 UTC
by Ray Lalleu
1 Replies
360 Views
Last post September 23, 2022, 1853 UTC
by kobalts
0 Replies
292 Views
Last post September 23, 2022, 1842 UTC
by Ray Lalleu
3 Replies
485 Views
Last post September 23, 2022, 1812 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 Garden Flag
by MitchellTimeDesigns