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
356 Views
Last post February 09, 2022, 1027 UTC
by Ray Lalleu
0 Replies
356 Views
Last post January 22, 2022, 0912 UTC
by Ray Lalleu
0 Replies
356 Views
Last post January 07, 2022, 1508 UTC
by Ray Lalleu
2 Replies
355 Views
Last post December 23, 2023, 1725 UTC
by prldx
0 Replies
355 Views
Last post November 11, 2023, 2113 UTC
by Ray Lalleu
0 Replies
355 Views
Last post November 06, 2023, 1604 UTC
by Ray Lalleu
1 Replies
355 Views
Last post September 19, 2023, 1841 UTC
by kris
2 Replies
355 Views
Last post September 05, 2023, 2043 UTC
by Brian
1 Replies
355 Views
Last post September 03, 2023, 1855 UTC
by Ray Lalleu
1 Replies
355 Views
Last post May 06, 2023, 1844 UTC
by Ray Lalleu
1 Replies
355 Views
Last post May 01, 2023, 1703 UTC
by Ray Lalleu
1 Replies
355 Views
Last post February 26, 2023, 2025 UTC
by Ray Lalleu
2 Replies
355 Views
Last post February 25, 2023, 1715 UTC
by Shortwave_Listener
0 Replies
355 Views
Last post January 16, 2023, 1540 UTC
by Shortwave_Listener
2 Replies
355 Views
Last post November 29, 2022, 1511 UTC
by TRI International
2 Replies
355 Views
Last post November 11, 2022, 2203 UTC
by kris
1 Replies
355 Views
Last post October 11, 2022, 2051 UTC
by kris
2 Replies
355 Views
Last post September 18, 2022, 1910 UTC
by kris
1 Replies
355 Views
Last post August 18, 2022, 1937 UTC
by Misti-Radio
1 Replies
355 Views
Last post August 04, 2022, 1606 UTC
by Bali_Frank

 

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