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
172 Views
Last post February 15, 2025, 1416 UTC
by Ray Lalleu
0 Replies
172 Views
Last post April 14, 2024, 0814 UTC
by Ray Lalleu
0 Replies
172 Views
Last post December 01, 2024, 1640 UTC
by kris
0 Replies
172 Views
Last post April 21, 2024, 1717 UTC
by Ray Lalleu
1 Replies
172 Views
Last post April 25, 2025, 1915 UTC
by Ray Lalleu
2 Replies
172 Views
Last post February 09, 2025, 1114 UTC
by TRI International
0 Replies
172 Views
Last post September 15, 2023, 2113 UTC
by Ray Lalleu
1 Replies
172 Views
Last post October 13, 2024, 0639 UTC
by Shortwave_Listener
0 Replies
172 Views
Last post March 09, 2024, 0853 UTC
by Ray Lalleu
1 Replies
172 Views
Last post September 22, 2024, 1709 UTC
by Ray Lalleu
2 Replies
172 Views
Last post April 11, 2025, 0725 UTC
by Benoit LEVEQUE
1 Replies
171 Views
Last post January 25, 2025, 1648 UTC
by dxace1
1 Replies
171 Views
Last post December 31, 2024, 1148 UTC
by Ray Lalleu
1 Replies
171 Views
Last post February 01, 2025, 1721 UTC
by Ray Lalleu
0 Replies
171 Views
Last post March 03, 2025, 1902 UTC
by dave1965
0 Replies
171 Views
Last post June 20, 2024, 2023 UTC
by Ray Lalleu
0 Replies
171 Views
Last post December 11, 2024, 1123 UTC
by Ray Lalleu
0 Replies
171 Views
Last post October 14, 2023, 1946 UTC
by Ray Lalleu
0 Replies
171 Views
Last post April 09, 2023, 0821 UTC
by Ray Lalleu
0 Replies
171 Views
Last post February 23, 2025, 1051 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