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
164 Views
Last post December 29, 2024, 1612 UTC
by kris
1 Replies
164 Views
Last post December 22, 2024, 2150 UTC
by N2MLP
0 Replies
164 Views
Last post June 18, 2023, 1710 UTC
by kris
0 Replies
165 Views
Last post July 08, 2023, 1935 UTC
by Ray Lalleu
1 Replies
165 Views
Last post July 12, 2025, 2015 UTC
by Ray Lalleu
0 Replies
165 Views
Last post May 02, 2025, 2118 UTC
by Ray Lalleu
0 Replies
165 Views
Last post October 30, 2024, 2023 UTC
by Ray Lalleu
0 Replies
165 Views
Last post November 17, 2024, 1406 UTC
by Ray Lalleu
0 Replies
165 Views
Last post April 25, 2025, 2056 UTC
by europirate
0 Replies
165 Views
Last post February 26, 2025, 1323 UTC
by Benoit LEVEQUE
0 Replies
165 Views
Last post February 28, 2025, 1413 UTC
by Ray Lalleu
0 Replies
165 Views
Last post December 03, 2023, 0902 UTC
by Ray Lalleu
0 Replies
165 Views
Last post November 17, 2024, 1102 UTC
by Ray Lalleu
1 Replies
165 Views
Last post June 29, 2025, 0814 UTC
by Ray Lalleu
0 Replies
165 Views
Last post May 06, 2025, 0732 UTC
by Benoit LEVEQUE
1 Replies
165 Views
Last post April 27, 2025, 1700 UTC
by Ray Lalleu
1 Replies
165 Views
Last post July 18, 2025, 0933 UTC
by Alex BLR
0 Replies
165 Views
Last post May 17, 2025, 1951 UTC
by Ray Lalleu
0 Replies
165 Views
Last post March 09, 2025, 1501 UTC
by Ray Lalleu
0 Replies
165 Views
Last post October 29, 2024, 1500 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