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
149 Views
Last post February 16, 2025, 1823 UTC
by Ray Lalleu
0 Replies
149 Views
Last post December 10, 2024, 1210 UTC
by kris
0 Replies
149 Views
Last post May 22, 2025, 1722 UTC
by Ray Lalleu
0 Replies
149 Views
Last post April 27, 2025, 1646 UTC
by europirate
0 Replies
149 Views
Last post November 16, 2024, 2003 UTC
by kris
0 Replies
149 Views
Last post September 17, 2023, 0854 UTC
by Ray Lalleu
0 Replies
149 Views
Last post February 09, 2025, 1133 UTC
by Ray Lalleu
1 Replies
149 Views
Last post November 30, 2024, 1041 UTC
by Ray Lalleu
0 Replies
149 Views
Last post May 07, 2025, 1236 UTC
by Ray Lalleu
0 Replies
149 Views
Last post March 01, 2025, 0851 UTC
by Ray Lalleu
0 Replies
149 Views
Last post December 29, 2024, 0940 UTC
by Ray Lalleu
0 Replies
149 Views
Last post September 22, 2024, 1002 UTC
by Ray Lalleu
0 Replies
149 Views
Last post November 27, 2024, 1812 UTC
by Ray Lalleu
0 Replies
150 Views
Last post December 15, 2024, 1604 UTC
by Ray Lalleu
0 Replies
150 Views
Last post December 29, 2024, 1106 UTC
by TRI International
0 Replies
150 Views
Last post January 26, 2025, 0855 UTC
by Ray Lalleu
0 Replies
150 Views
Last post February 09, 2025, 1206 UTC
by europirate
0 Replies
150 Views
Last post May 05, 2025, 1722 UTC
by Ray Lalleu
0 Replies
150 Views
Last post September 17, 2023, 0833 UTC
by Ray Lalleu
0 Replies
150 Views
Last post November 10, 2024, 0848 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 Garden Flag
by MitchellTimeDesigns