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
120 Views
Last post August 22, 2025, 1803 UTC
by Alex BLR
0 Replies
262 Views
Last post March 16, 2024, 1826 UTC
by Ray Lalleu
1 Replies
243 Views
Last post July 21, 2023, 2011 UTC
by europirate
0 Replies
221 Views
Last post November 17, 2024, 1831 UTC
by Ray Lalleu
0 Replies
241 Views
Last post March 18, 2023, 1832 UTC
by Ray Lalleu
2 Replies
423 Views
Last post April 19, 2024, 1854 UTC
by Benoit LEVEQUE
0 Replies
224 Views
Last post October 08, 2024, 1846 UTC
by Ray Lalleu
0 Replies
339 Views
Last post November 16, 2023, 1854 UTC
by Ray Lalleu
1 Replies
259 Views
Last post April 17, 2023, 1909 UTC
by kris
1 Replies
217 Views
Last post July 15, 2025, 1938 UTC
by Alex BLR
0 Replies
190 Views
Last post May 19, 2025, 1915 UTC
by Ray Lalleu
0 Replies
278 Views
Last post November 13, 2024, 1919 UTC
by Ray Lalleu
2 Replies
497 Views
Last post June 07, 2023, 1922 UTC
by europirate
1 Replies
379 Views
Last post March 19, 2025, 1027 UTC
by Benoit LEVEQUE
0 Replies
242 Views
Last post March 27, 2024, 1922 UTC
by Ray Lalleu
0 Replies
100 Views
Last post August 02, 2025, 1928 UTC
by Ray Lalleu
0 Replies
102 Views
Last post August 06, 2025, 1926 UTC
by Ray Lalleu
1 Replies
261 Views
Last post October 30, 2024, 2025 UTC
by kris
0 Replies
212 Views
Last post June 02, 2023, 1942 UTC
by Ray Lalleu
0 Replies
247 Views
Last post November 12, 2024, 1939 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