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
2 Replies
274 Views
Last post July 31, 2023, 2319 UTC
by N2MLP
0 Replies
274 Views
Last post December 23, 2023, 0842 UTC
by Ray Lalleu
1 Replies
274 Views
Last post November 30, 2024, 1521 UTC
by radio56
2 Replies
274 Views
Last post August 02, 2025, 1919 UTC
by Mike Radio
1 Replies
274 Views
Last post January 16, 2025, 0857 UTC
by Ray Lalleu
0 Replies
274 Views
Last post August 08, 2024, 1723 UTC
by Ray Lalleu
0 Replies
274 Views
Last post June 11, 2024, 1911 UTC
by Ray Lalleu
1 Replies
274 Views
Last post October 22, 2023, 1922 UTC
by Ray Lalleu
0 Replies
274 Views
Last post June 09, 2023, 2019 UTC
by Ray Lalleu
0 Replies
274 Views
Last post April 25, 2023, 2242 UTC
by Shortwave_Listener
1 Replies
274 Views
Last post April 17, 2023, 1926 UTC
by N2MLP
0 Replies
274 Views
Last post February 14, 2023, 1104 UTC
by Ray Lalleu
0 Replies
274 Views
Last post February 06, 2023, 1933 UTC
by Ray Lalleu
0 Replies
274 Views
Last post November 21, 2020, 0845 UTC
by Ray Lalleu
0 Replies
274 Views
Last post October 09, 2024, 1349 UTC
by Ray Lalleu
2 Replies
274 Views
Last post March 31, 2024, 0938 UTC
by FOX
0 Replies
274 Views
Last post February 06, 2024, 1617 UTC
by Ray Lalleu
1 Replies
274 Views
Last post June 03, 2023, 1933 UTC
by FOX
0 Replies
274 Views
Last post November 22, 2023, 1612 UTC
by Ray Lalleu
0 Replies
274 Views
Last post May 01, 2025, 0047 UTC
by kris

 

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