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
1 Replies
311 Views
Last post January 22, 2023, 1512 UTC
by Ray Lalleu
1 Replies
305 Views
Last post October 08, 2023, 1418 UTC
by Oliver
1 Replies
333 Views
Last post April 29, 2023, 2022 UTC
by ddasty
3 Replies
648 Views
Last post May 15, 2021, 2128 UTC
by greekdx
0 Replies
331 Views
Last post October 22, 2023, 1400 UTC
by europirate
0 Replies
228 Views
Last post May 11, 2023, 1725 UTC
by Ray Lalleu
2 Replies
301 Views
Last post August 29, 2023, 1859 UTC
by kobalts
1 Replies
259 Views
Last post August 26, 2023, 1834 UTC
by kris
0 Replies
220 Views
Last post August 27, 2023, 1825 UTC
by Ray Lalleu
2 Replies
753 Views
Last post February 18, 2024, 1621 UTC
by Ray Lalleu
1 Replies
792 Views
Last post February 04, 2024, 1657 UTC
by Fisherman
1 Replies
326 Views
Last post February 24, 2024, 1930 UTC
by n2avh
1 Replies
287 Views
Last post May 13, 2023, 1849 UTC
by kris
2 Replies
404 Views
Last post April 01, 2023, 2010 UTC
by kris
3 Replies
603 Views
Last post December 10, 2023, 1312 UTC
by m3ozp1
3 Replies
358 Views
Last post January 14, 2024, 1331 UTC
by TRI International
0 Replies
272 Views
Last post January 08, 2023, 1427 UTC
by Ray Lalleu
2 Replies
474 Views
Last post November 26, 2023, 1601 UTC
by kobalts
0 Replies
411 Views
Last post January 27, 2024, 1928 UTC
by Ray Lalleu
0 Replies
226 Views
Last post December 18, 2022, 1421 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 House Flag
by MitchellTimeDesigns