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
1 Replies
273 Views
Last post March 12, 2023, 2119 UTC
by kris
3 Replies
488 Views
Last post April 07, 2025, 0729 UTC
by Benoit LEVEQUE
2 Replies
257 Views
Last post November 24, 2024, 2208 UTC
by Ray Lalleu
0 Replies
166 Views
Last post March 22, 2025, 1510 UTC
by Ray Lalleu
0 Replies
189 Views
Last post July 02, 2023, 1459 UTC
by Ray Lalleu
1 Replies
270 Views
Last post August 20, 2023, 1628 UTC
by europirate
0 Replies
180 Views
Last post July 30, 2023, 1329 UTC
by Ray Lalleu
3 Replies
359 Views
Last post December 01, 2024, 1736 UTC
by europirate
0 Replies
246 Views
Last post July 09, 2023, 1242 UTC
by europirate
2 Replies
333 Views
Last post February 15, 2025, 1355 UTC
by TRI International
2 Replies
262 Views
Last post March 17, 2024, 1228 UTC
by kris
4 Replies
508 Views
Last post March 24, 2025, 0849 UTC
by Benoit LEVEQUE
3 Replies
577 Views
Last post February 02, 2025, 1932 UTC
by kris
0 Replies
153 Views
Last post December 22, 2024, 1029 UTC
by Ray Lalleu
1 Replies
325 Views
Last post November 05, 2023, 1021 UTC
by Ray Lalleu
2 Replies
278 Views
Last post March 16, 2025, 1508 UTC
by Benoit LEVEQUE
4 Replies
300 Views
Last post February 09, 2025, 1718 UTC
by ruquidx
3 Replies
238 Views
Last post November 17, 2024, 1041 UTC
by DBullock
2 Replies
311 Views
Last post April 02, 2023, 1854 UTC
by kris
0 Replies
162 Views
Last post January 12, 2025, 0756 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