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
3 Replies
747 Views
Last post July 14, 2018, 0001 UTC
by ChrisSmolinski
2 Replies
591 Views
Last post October 27, 2021, 2131 UTC
by kris
1 Replies
393 Views
Last post February 23, 2020, 1800 UTC
by kris
0 Replies
473 Views
Last post November 27, 2018, 1813 UTC
by Ray Lalleu
0 Replies
200 Views
Last post January 15, 2025, 1507 UTC
by Ray Lalleu
2 Replies
577 Views
Last post January 22, 2024, 1420 UTC
by RainBrandy
1 Replies
302 Views
Last post February 26, 2023, 2012 UTC
by kris
0 Replies
411 Views
Last post January 29, 2022, 1006 UTC
by Ray Lalleu
0 Replies
414 Views
Last post March 30, 2021, 1624 UTC
by Ray Lalleu
1 Replies
513 Views
Last post May 12, 2020, 2343 UTC
by aurora
1 Replies
206 Views
Last post April 26, 2025, 0736 UTC
by Benoit LEVEQUE
0 Replies
264 Views
Last post June 24, 2023, 1525 UTC
by Ray Lalleu
0 Replies
457 Views
Last post June 11, 2022, 2029 UTC
by Ray Lalleu
1 Replies
480 Views
Last post July 11, 2021, 1015 UTC
by Bali_Frank
0 Replies
466 Views
Last post October 20, 2019, 0951 UTC
by Ray Lalleu
0 Replies
337 Views
Last post December 27, 2020, 1054 UTC
by Ray Lalleu
1 Replies
737 Views
Last post February 07, 2019, 2159 UTC
by Skipmuck
0 Replies
573 Views
Last post February 25, 2024, 1741 UTC
by Ray Lalleu
0 Replies
399 Views
Last post March 13, 2022, 1628 UTC
by Ray Lalleu
0 Replies
391 Views
Last post June 21, 2020, 2015 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 T-Shirt
by MitchellTimeDesigns