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
189 Views
Last post July 12, 2023, 1856 UTC
by Ray Lalleu
0 Replies
189 Views
Last post July 24, 2023, 0745 UTC
by Ray Lalleu
0 Replies
189 Views
Last post May 04, 2025, 1244 UTC
by Benoit LEVEQUE
0 Replies
189 Views
Last post September 06, 2024, 2020 UTC
by Ray Lalleu
0 Replies
189 Views
Last post October 25, 2024, 1551 UTC
by Ray Lalleu
0 Replies
189 Views
Last post April 22, 2025, 1858 UTC
by Ray Lalleu
2 Replies
189 Views
Last post July 20, 2025, 0835 UTC
by Ray Lalleu
0 Replies
189 Views
Last post February 11, 2024, 1129 UTC
by Ray Lalleu
0 Replies
189 Views
Last post May 04, 2025, 0822 UTC
by Ray Lalleu
1 Replies
189 Views
Last post April 27, 2025, 0801 UTC
by Benoit LEVEQUE
0 Replies
189 Views
Last post December 14, 2024, 0902 UTC
by Ray Lalleu
0 Replies
189 Views
Last post March 09, 2025, 1340 UTC
by Benoit LEVEQUE
0 Replies
189 Views
Last post February 22, 2025, 1038 UTC
by Ray Lalleu
0 Replies
189 Views
Last post November 11, 2024, 1144 UTC
by Ray Lalleu
0 Replies
189 Views
Last post January 05, 2025, 1043 UTC
by Ray Lalleu
0 Replies
189 Views
Last post June 11, 2023, 0811 UTC
by Ray Lalleu
0 Replies
189 Views
Last post August 12, 2023, 1717 UTC
by Ray Lalleu
0 Replies
189 Views
Last post April 02, 2023, 1547 UTC
by Ray Lalleu
0 Replies
189 Views
Last post November 20, 2022, 0726 UTC
by Ray Lalleu
0 Replies
189 Views
Last post March 01, 2025, 1740 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 House Flag
by MitchellTimeDesigns