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
228 Views
Last post September 30, 2024, 1944 UTC
by EagleWave
1 Replies
513 Views
Last post June 22, 2018, 1614 UTC
by KaySeeks
0 Replies
408 Views
Last post October 05, 2019, 1329 UTC
by Ray Lalleu
1 Replies
371 Views
Last post August 07, 2020, 1813 UTC
by kris
2 Replies
525 Views
Last post April 17, 2022, 2313 UTC
by Skipmuck
1 Replies
205 Views
Last post April 13, 2025, 0721 UTC
by Benoit LEVEQUE
3 Replies
546 Views
Last post May 02, 2020, 2057 UTC
by Ray Lalleu
1 Replies
449 Views
Last post January 15, 2022, 1416 UTC
by Bali_Frank
2 Replies
602 Views
Last post January 08, 2024, 1826 UTC
by Ray Lalleu
0 Replies
682 Views
Last post November 07, 2018, 1038 UTC
by Ray Lalleu
0 Replies
278 Views
Last post November 07, 2020, 1945 UTC
by Ray Lalleu
0 Replies
303 Views
Last post July 30, 2022, 1941 UTC
by Ray Lalleu
2 Replies
359 Views
Last post August 11, 2024, 2034 UTC
by FOX
1 Replies
486 Views
Last post August 16, 2019, 1627 UTC
by kris
1 Replies
417 Views
Last post May 13, 2021, 2112 UTC
by kris
0 Replies
297 Views
Last post April 14, 2023, 1930 UTC
by Ray Lalleu
1 Replies
270 Views
Last post March 02, 2025, 0944 UTC
by MI0YCK
2 Replies
529 Views
Last post April 12, 2019, 2003 UTC
by kris
2 Replies
671 Views
Last post April 01, 2020, 2111 UTC
by Ray Lalleu
0 Replies
372 Views
Last post February 05, 2021, 1303 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