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
291 Views
Last post October 04, 2024, 2203 UTC
by Ray Lalleu
0 Replies
291 Views
Last post December 30, 2024, 0912 UTC
by Ray Lalleu
0 Replies
291 Views
Last post February 20, 2020, 1404 UTC
by Ray Lalleu
0 Replies
291 Views
Last post September 24, 2023, 1200 UTC
by europirate
0 Replies
291 Views
Last post November 09, 2024, 2025 UTC
by Ray Lalleu
1 Replies
291 Views
Last post September 07, 2025, 0744 UTC
by Alex BLR
0 Replies
291 Views
Last post December 12, 2023, 1621 UTC
by Ray Lalleu
1 Replies
291 Views
Last post January 19, 2025, 1614 UTC
by AlexRadioDX
0 Replies
291 Views
Last post April 22, 2025, 0753 UTC
by europirate
1 Replies
291 Views
Last post July 01, 2023, 2122 UTC
by FOX
1 Replies
291 Views
Last post June 16, 2024, 0749 UTC
by Benoit LEVEQUE
0 Replies
291 Views
Last post September 05, 2023, 2039 UTC
by Ray Lalleu
1 Replies
291 Views
Last post April 04, 2023, 2055 UTC
by kris
0 Replies
291 Views
Last post September 10, 2022, 1921 UTC
by Ray Lalleu
0 Replies
291 Views
Last post March 14, 2023, 1119 UTC
by Ray Lalleu
0 Replies
291 Views
Last post January 23, 2024, 1524 UTC
by Ray Lalleu
1 Replies
291 Views
Last post August 15, 2025, 1836 UTC
by Robertas
0 Replies
291 Views
Last post March 07, 2023, 1741 UTC
by Ray Lalleu
0 Replies
291 Views
Last post July 22, 2025, 1946 UTC
by Ray Lalleu
1 Replies
291 Views
Last post April 17, 2023, 1909 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 House Flag
by MitchellTimeDesigns