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
233 Views
Last post August 22, 2023, 2218 UTC
by kris
0 Replies
233 Views
Last post August 20, 2024, 1933 UTC
by FOX
1 Replies
233 Views
Last post July 28, 2023, 2303 UTC
by Ray Lalleu
0 Replies
233 Views
Last post March 19, 2024, 0952 UTC
by TRI International
0 Replies
233 Views
Last post July 13, 2024, 0559 UTC
by Ray Lalleu
2 Replies
233 Views
Last post July 08, 2023, 2241 UTC
by kris
1 Replies
233 Views
Last post January 25, 2025, 1732 UTC
by dxace1
1 Replies
233 Views
Last post July 24, 2025, 2002 UTC
by Alex BLR
0 Replies
233 Views
Last post February 08, 2024, 2029 UTC
by Ray Lalleu
0 Replies
233 Views
Last post December 08, 2023, 2017 UTC
by Ray Lalleu
0 Replies
233 Views
Last post June 04, 2023, 2104 UTC
by Ray Lalleu
0 Replies
233 Views
Last post June 23, 2024, 0826 UTC
by Ray Lalleu
1 Replies
233 Views
Last post August 06, 2023, 1511 UTC
by Ray Lalleu
0 Replies
233 Views
Last post August 20, 2022, 1621 UTC
by Ray Lalleu
0 Replies
233 Views
Last post January 29, 2023, 0900 UTC
by Ray Lalleu
0 Replies
233 Views
Last post August 17, 2024, 2136 UTC
by Ray Lalleu
0 Replies
233 Views
Last post February 09, 2025, 0948 UTC
by Ray Lalleu
1 Replies
233 Views
Last post May 25, 2025, 1734 UTC
by Ray Lalleu
0 Replies
233 Views
Last post February 12, 2023, 2153 UTC
by Ray Lalleu
0 Replies
233 Views
Last post April 28, 2024, 0908 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