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
292 Views
Last post June 03, 2023, 1924 UTC
by kris
0 Replies
368 Views
Last post May 30, 2021, 0803 UTC
by Ray Lalleu
1 Replies
478 Views
Last post April 17, 2022, 0901 UTC
by Bali_Frank
0 Replies
393 Views
Last post June 05, 2022, 0907 UTC
by Ray Lalleu
3 Replies
606 Views
Last post April 30, 2023, 1909 UTC
by fox558
1 Replies
575 Views
Last post April 30, 2022, 1527 UTC
by Ray Lalleu
1 Replies
497 Views
Last post November 14, 2021, 1619 UTC
by Bali_Frank
0 Replies
301 Views
Last post April 15, 2023, 1635 UTC
by kris
2 Replies
628 Views
Last post September 25, 2021, 1704 UTC
by Ray Lalleu
1 Replies
337 Views
Last post August 20, 2023, 1709 UTC
by Ray Lalleu
0 Replies
393 Views
Last post May 30, 2021, 1706 UTC
by Ray Lalleu
2 Replies
565 Views
Last post May 14, 2022, 1736 UTC
by kris
1 Replies
554 Views
Last post May 21, 2022, 1743 UTC
by Shortwave_Listener
0 Replies
443 Views
Last post May 28, 2022, 1729 UTC
by Ray Lalleu
1 Replies
369 Views
Last post September 23, 2023, 1807 UTC
by Ray Lalleu
0 Replies
307 Views
Last post January 14, 2023, 1749 UTC
by Ray Lalleu
1 Replies
363 Views
Last post November 12, 2022, 1818 UTC
by kris
0 Replies
358 Views
Last post October 01, 2022, 1830 UTC
by Shortwave_Listener
0 Replies
529 Views
Last post July 31, 2021, 1934 UTC
by Bali_Frank
0 Replies
299 Views
Last post August 31, 2024, 1644 UTC
by Fisherman

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns