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
213 Views
Last post August 05, 2023, 1910 UTC
by Ray Lalleu
2 Replies
255 Views
Last post July 25, 2023, 2324 UTC
by N2MLP
2 Replies
692 Views
Last post July 28, 2023, 0005 UTC
by N2MLP
5 Replies
745 Views
Last post April 12, 2023, 1434 UTC
by Dxcan
0 Replies
194 Views
Last post August 03, 2023, 1823 UTC
by Ray Lalleu
1 Replies
300 Views
Last post July 24, 2023, 2355 UTC
by N2MLP
2 Replies
367 Views
Last post April 17, 2023, 1837 UTC
by kris
0 Replies
280 Views
Last post April 18, 2023, 1656 UTC
by Ray Lalleu
0 Replies
327 Views
Last post April 17, 2023, 0228 UTC
by canswl
2 Replies
538 Views
Last post August 30, 2023, 2341 UTC
by N2MLP
2 Replies
746 Views
Last post April 17, 2022, 1653 UTC
by RainBrandy
2 Replies
457 Views
Last post June 28, 2023, 0246 UTC
by N2MLP
0 Replies
495 Views
Last post January 31, 2024, 1707 UTC
by Ray Lalleu
1 Replies
450 Views
Last post April 07, 2022, 1831 UTC
by Ray Lalleu
1 Replies
393 Views
Last post January 25, 2023, 2155 UTC
by kris
2 Replies
443 Views
Last post January 15, 2023, 2106 UTC
by Ray Lalleu
1 Replies
346 Views
Last post January 23, 2023, 1702 UTC
by europirate
0 Replies
280 Views
Last post January 21, 2023, 1636 UTC
by Ray Lalleu
0 Replies
320 Views
Last post February 01, 2023, 1624 UTC
by Ray Lalleu
0 Replies
241 Views
Last post January 22, 2023, 1541 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