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
192 Views
Last post February 22, 2025, 0856 UTC
by Ray Lalleu
1 Replies
470 Views
Last post May 05, 2021, 1922 UTC
by kris
0 Replies
282 Views
Last post August 02, 2024, 2002 UTC
by Ray Lalleu
0 Replies
211 Views
Last post August 05, 2023, 1926 UTC
by Ray Lalleu
0 Replies
327 Views
Last post July 18, 2022, 1828 UTC
by Ray Lalleu
1 Replies
444 Views
Last post August 21, 2021, 1710 UTC
by Bali_Frank
0 Replies
348 Views
Last post October 31, 2020, 1836 UTC
by Ray Lalleu
0 Replies
449 Views
Last post October 28, 2018, 0920 UTC
by Ray Lalleu
1 Replies
146 Views
Last post October 06, 2025, 1951 UTC
by Alex BLR
0 Replies
206 Views
Last post November 09, 2024, 1930 UTC
by Ray Lalleu
0 Replies
205 Views
Last post December 31, 2023, 1329 UTC
by Ray Lalleu
1 Replies
543 Views
Last post January 04, 2022, 2019 UTC
by kris
3 Replies
678 Views
Last post January 29, 2021, 1649 UTC
by kris
2 Replies
641 Views
Last post March 31, 2019, 1047 UTC
by Ray Lalleu
0 Replies
549 Views
Last post June 03, 2018, 2016 UTC
by Ray Lalleu
2 Replies
320 Views
Last post July 03, 2025, 0736 UTC
by 26354
0 Replies
245 Views
Last post September 26, 2023, 1923 UTC
by Ray Lalleu
0 Replies
423 Views
Last post October 03, 2021, 0818 UTC
by Ray Lalleu
0 Replies
372 Views
Last post January 30, 2023, 1800 UTC
by Ray Lalleu
0 Replies
406 Views
Last post March 07, 2021, 1926 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