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
359 Views
Last post February 09, 2024, 1529 UTC
by Ray Lalleu
1 Replies
603 Views
Last post February 18, 2024, 1725 UTC
by dxhound2005
2 Replies
2545 Views
Last post February 17, 2024, 2130 UTC
by Fisherman
3 Replies
1377 Views
Last post February 04, 2024, 1813 UTC
by Ray Lalleu
2 Replies
457 Views
Last post December 05, 2023, 1550 UTC
by dxhound2005
1 Replies
148 Views
Last post August 24, 2025, 1932 UTC
by europirate
3 Replies
574 Views
Last post November 26, 2023, 1812 UTC
by Magnitic
3 Replies
383 Views
Last post November 25, 2023, 1732 UTC
by kris
1 Replies
375 Views
Last post November 24, 2023, 1716 UTC
by europirate
0 Replies
234 Views
Last post November 05, 2023, 1700 UTC
by Ray Lalleu
0 Replies
147 Views
Last post June 23, 2025, 1702 UTC
by Ray Lalleu
0 Replies
170 Views
Last post June 22, 2025, 1738 UTC
by Ray Lalleu
2 Replies
239 Views
Last post August 12, 2025, 0712 UTC
by Alex BLR
1 Replies
191 Views
Last post August 12, 2025, 1938 UTC
by Ray Lalleu
1 Replies
403 Views
Last post July 07, 2025, 2028 UTC
by KISS AM
4 Replies
588 Views
Last post October 07, 2023, 1929 UTC
by Radio Parade
1 Replies
160 Views
Last post August 11, 2025, 1533 UTC
by Ray Lalleu
2 Replies
201 Views
Last post July 20, 2025, 0835 UTC
by Ray Lalleu
3 Replies
525 Views
Last post September 02, 2024, 2243 UTC
by Ray Lalleu
1 Replies
654 Views
Last post June 25, 2018, 1958 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