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
260 Views
Last post July 05, 2025, 2329 UTC
by kris
1 Replies
260 Views
Last post December 22, 2024, 1649 UTC
by Ray Lalleu
0 Replies
260 Views
Last post December 02, 2024, 2001 UTC
by Ray Lalleu
1 Replies
260 Views
Last post June 22, 2025, 1007 UTC
by TRI International
0 Replies
260 Views
Last post March 25, 2023, 1001 UTC
by Ray Lalleu
0 Replies
260 Views
Last post November 18, 2023, 0836 UTC
by Ray Lalleu
0 Replies
260 Views
Last post August 09, 2023, 1728 UTC
by Ray Lalleu
0 Replies
260 Views
Last post June 08, 2024, 1042 UTC
by Ray Lalleu
0 Replies
260 Views
Last post November 13, 2022, 1627 UTC
by Ray Lalleu
1 Replies
260 Views
Last post February 01, 2025, 1721 UTC
by Ray Lalleu
0 Replies
260 Views
Last post December 23, 2022, 1631 UTC
by Ray Lalleu
1 Replies
260 Views
Last post February 20, 2025, 1558 UTC
by ChrisSmolinski
0 Replies
260 Views
Last post April 25, 2025, 0729 UTC
by Benoit LEVEQUE
1 Replies
260 Views
Last post April 07, 2024, 1851 UTC
by Ray Lalleu
1 Replies
260 Views
Last post December 31, 2024, 1440 UTC
by Ray Lalleu
0 Replies
260 Views
Last post September 02, 2023, 2102 UTC
by Ray Lalleu
0 Replies
260 Views
Last post May 18, 2025, 1950 UTC
by Alex BLR
0 Replies
260 Views
Last post April 08, 2023, 1635 UTC
by Ray Lalleu
0 Replies
260 Views
Last post April 01, 2023, 1018 UTC
by Ray Lalleu
0 Replies
260 Views
Last post January 26, 2025, 2002 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