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
404 Views
Last post December 27, 2023, 1821 UTC
by Ray Lalleu
1 Replies
380 Views
Last post August 17, 2022, 1629 UTC
by Ray Lalleu
0 Replies
551 Views
Last post June 14, 2019, 2010 UTC
by kris
1 Replies
904 Views
Last post May 29, 2025, 1640 UTC
by Alex BLR
1 Replies
369 Views
Last post December 14, 2022, 1815 UTC
by Ray Lalleu
1 Replies
428 Views
Last post February 04, 2021, 1933 UTC
by Ray Lalleu
0 Replies
488 Views
Last post July 22, 2019, 2052 UTC
by kris
1 Replies
439 Views
Last post October 30, 2023, 1015 UTC
by Ray Lalleu
1 Replies
557 Views
Last post June 25, 2022, 1623 UTC
by Ray Lalleu
1 Replies
744 Views
Last post April 28, 2018, 0245 UTC
by Helicaster
1 Replies
439 Views
Last post February 13, 2021, 1400 UTC
by Ray Lalleu
0 Replies
213 Views
Last post August 24, 2024, 1945 UTC
by kris
2 Replies
301 Views
Last post February 24, 2023, 1945 UTC
by Bali_Frank
0 Replies
197 Views
Last post February 24, 2024, 0952 UTC
by kris
1 Replies
487 Views
Last post January 05, 2024, 0942 UTC
by Ray Lalleu
0 Replies
260 Views
Last post March 17, 2024, 1914 UTC
by kris
1 Replies
559 Views
Last post December 24, 2023, 0910 UTC
by Ray Lalleu
1 Replies
439 Views
Last post April 09, 2021, 1623 UTC
by Ray Lalleu
1 Replies
453 Views
Last post March 22, 2022, 1621 UTC
by Ray Lalleu
1 Replies
468 Views
Last post June 05, 2022, 2354 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