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
350 Views
Last post May 06, 2023, 1809 UTC
by kris
1 Replies
350 Views
Last post June 27, 2023, 1629 UTC
by Ray Lalleu
0 Replies
350 Views
Last post September 30, 2020, 1518 UTC
by Ray Lalleu
0 Replies
350 Views
Last post January 02, 2024, 1338 UTC
by RobRich
2 Replies
350 Views
Last post April 29, 2025, 1154 UTC
by Benoit LEVEQUE
0 Replies
350 Views
Last post October 17, 2022, 0732 UTC
by Ray Lalleu
0 Replies
350 Views
Last post April 04, 2023, 2136 UTC
by Ray Lalleu
1 Replies
350 Views
Last post March 15, 2024, 2115 UTC
by Fisherman
0 Replies
350 Views
Last post June 09, 2023, 1910 UTC
by Ray Lalleu
0 Replies
350 Views
Last post May 03, 2023, 2013 UTC
by Ray Lalleu
1 Replies
350 Views
Last post October 29, 2023, 0915 UTC
by prldx
1 Replies
350 Views
Last post February 09, 2025, 1759 UTC
by ukdxer
1 Replies
350 Views
Last post September 19, 2024, 1654 UTC
by Ray Lalleu
0 Replies
350 Views
Last post October 29, 2020, 1627 UTC
by Ray Lalleu
0 Replies
350 Views
Last post August 15, 2023, 2140 UTC
by Ray Lalleu
0 Replies
350 Views
Last post March 26, 2024, 1040 UTC
by Ray Lalleu
2 Replies
350 Views
Last post April 22, 2023, 1524 UTC
by Misti-Radio
0 Replies
350 Views
Last post January 08, 2021, 1028 UTC
by Ray Lalleu
0 Replies
350 Views
Last post April 16, 2024, 1329 UTC
by Fisherman
0 Replies
350 Views
Last post October 27, 2022, 1439 UTC
by Misti-Radio

 

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