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
518 Views
Last post October 31, 2023, 1827 UTC
by Oliver
1 Replies
693 Views
Last post October 24, 2023, 1618 UTC
by europirate
0 Replies
230 Views
Last post September 10, 2023, 0913 UTC
by Ray Lalleu
2 Replies
446 Views
Last post January 01, 2024, 0936 UTC
by Ray Lalleu
0 Replies
309 Views
Last post December 25, 2023, 0858 UTC
by Ray Lalleu
0 Replies
240 Views
Last post March 17, 2023, 1748 UTC
by Ray Lalleu
0 Replies
254 Views
Last post March 25, 2023, 1001 UTC
by Ray Lalleu
0 Replies
246 Views
Last post April 17, 2023, 0733 UTC
by Ray Lalleu
1 Replies
309 Views
Last post March 16, 2024, 1652 UTC
by Fisherman
1 Replies
327 Views
Last post August 02, 2024, 1906 UTC
by Fisherman
1 Replies
365 Views
Last post June 08, 2023, 1713 UTC
by dave1965
1 Replies
335 Views
Last post December 24, 2022, 1711 UTC
by Shortwave_Listener
0 Replies
294 Views
Last post June 05, 2023, 1118 UTC
by dave1965
2 Replies
325 Views
Last post December 25, 2022, 0916 UTC
by FOX
1 Replies
368 Views
Last post May 05, 2024, 1449 UTC
by Benoit LEVEQUE
2 Replies
514 Views
Last post August 17, 2021, 1958 UTC
by kris
1 Replies
277 Views
Last post March 17, 2023, 1034 UTC
by FOX
2 Replies
377 Views
Last post March 31, 2024, 0931 UTC
by RobRich
1 Replies
306 Views
Last post February 14, 2023, 1642 UTC
by Ray Lalleu
1 Replies
289 Views
Last post February 15, 2023, 1533 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