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
2 Replies
487 Views
Last post August 06, 2022, 2037 UTC
by kris
11 Replies
1261 Views
Last post September 25, 2022, 0800 UTC
by Toutatis
0 Replies
330 Views
Last post September 14, 2022, 1917 UTC
by kobalts
1 Replies
336 Views
Last post December 13, 2022, 1932 UTC
by Ray Lalleu
1 Replies
526 Views
Last post August 28, 2021, 2127 UTC
by Ray Lalleu
5 Replies
604 Views
Last post August 06, 2022, 2108 UTC
by Shortwave_Listener
1 Replies
244 Views
Last post July 29, 2022, 2020 UTC
by Ray Lalleu
2 Replies
549 Views
Last post September 17, 2022, 1846 UTC
by kris
3 Replies
565 Views
Last post October 04, 2021, 1848 UTC
by Ray Lalleu
2 Replies
548 Views
Last post May 15, 2022, 1831 UTC
by Ray Lalleu
8 Replies
884 Views
Last post October 02, 2022, 2214 UTC
by dave1965
1 Replies
301 Views
Last post September 01, 2023, 1933 UTC
by Ray Lalleu
3 Replies
593 Views
Last post October 30, 2021, 1902 UTC
by kobalts
9 Replies
1016 Views
Last post February 25, 2024, 0007 UTC
by cupid radio
5 Replies
660 Views
Last post February 17, 2023, 1826 UTC
by Mike Radio
1 Replies
365 Views
Last post October 30, 2022, 1043 UTC
by Ray Lalleu
2 Replies
525 Views
Last post October 30, 2021, 2003 UTC
by kris
2 Replies
332 Views
Last post August 12, 2023, 2001 UTC
by kris
2 Replies
566 Views
Last post October 30, 2021, 2005 UTC
by kobalts
0 Replies
479 Views
Last post November 17, 2021, 1739 UTC
by kobalts

 

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