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
3 Replies
231 Views
Last post April 21, 2025, 1329 UTC
by Benoit LEVEQUE
0 Replies
231 Views
Last post March 17, 2024, 1616 UTC
by Ray Lalleu
1 Replies
231 Views
Last post September 15, 2024, 2119 UTC
by Fisherman
0 Replies
231 Views
Last post February 10, 2024, 1017 UTC
by TRI International
0 Replies
231 Views
Last post April 18, 2023, 1656 UTC
by Ray Lalleu
1 Replies
231 Views
Last post November 22, 2024, 1339 UTC
by TRI International
0 Replies
231 Views
Last post October 24, 2022, 1406 UTC
by Ray Lalleu
0 Replies
231 Views
Last post August 27, 2022, 1806 UTC
by Ray Lalleu
0 Replies
231 Views
Last post June 29, 2023, 2247 UTC
by Ray Lalleu
1 Replies
231 Views
Last post November 30, 2024, 2352 UTC
by kris
4 Replies
231 Views
Last post February 09, 2025, 1245 UTC
by europirate
1 Replies
231 Views
Last post July 10, 2023, 1250 UTC
by Ray Lalleu
0 Replies
231 Views
Last post October 26, 2022, 1952 UTC
by Ray Lalleu
0 Replies
231 Views
Last post November 05, 2022, 1058 UTC
by Ray Lalleu
2 Replies
231 Views
Last post August 09, 2023, 1826 UTC
by ukdxer
0 Replies
231 Views
Last post December 05, 2020, 0845 UTC
by Ray Lalleu
0 Replies
231 Views
Last post March 01, 2024, 1714 UTC
by Ray Lalleu
0 Replies
231 Views
Last post June 20, 2024, 2043 UTC
by Ray Lalleu
2 Replies
231 Views
Last post March 10, 2025, 0946 UTC
by Benoit LEVEQUE
1 Replies
231 Views
Last post November 27, 2024, 1854 UTC
by RainBrandy

 

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