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
192 Views
Last post January 01, 2023, 1614 UTC
by Bali_Frank
3 Replies
457 Views
Last post March 22, 2022, 1659 UTC
by Ray Lalleu
2 Replies
200 Views
Last post December 23, 2022, 1609 UTC
by Ray Lalleu
4 Replies
315 Views
Last post January 05, 2023, 1658 UTC
by Bali_Frank
1 Replies
293 Views
Last post January 02, 2023, 0407 UTC
by Pigmeat
2 Replies
734 Views
Last post February 04, 2024, 1503 UTC
by J. Carlos Pérez Montero
1 Replies
146 Views
Last post February 17, 2023, 1505 UTC
by Ray Lalleu
2 Replies
207 Views
Last post February 12, 2023, 1028 UTC
by ukdxer
2 Replies
497 Views
Last post February 16, 2022, 2315 UTC
by ulx2
0 Replies
123 Views
Last post March 30, 2023, 1500 UTC
by Funkenblitz
2 Replies
424 Views
Last post September 26, 2021, 1647 UTC
by dxace1
3 Replies
359 Views
Last post October 02, 2022, 2033 UTC
by ralf_bender
2 Replies
183 Views
Last post March 11, 2023, 2314 UTC
by kris
1 Replies
147 Views
Last post January 01, 2023, 0942 UTC
by Ray Lalleu
0 Replies
102 Views
Last post March 05, 2023, 0948 UTC
by Funkenblitz
3 Replies
280 Views
Last post November 20, 2022, 1926 UTC
by Ray Lalleu
0 Replies
144 Views
Last post February 12, 2023, 1837 UTC
by Funkenblitz
2 Replies
165 Views
Last post March 17, 2023, 2012 UTC
by Ray Lalleu
3 Replies
202 Views
Last post February 05, 2023, 0940 UTC
by RainBrandy
2 Replies
186 Views
Last post December 11, 2022, 1132 UTC
by europirate

 

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