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
3 Replies
588 Views
Last post October 03, 2019, 1848 UTC
by Ray Lalleu
0 Replies
150 Views
Last post July 11, 2025, 1726 UTC
by Ray Lalleu
3 Replies
372 Views
Last post September 28, 2024, 2009 UTC
by FOX
1 Replies
334 Views
Last post October 03, 2023, 0729 UTC
by dave1965
0 Replies
241 Views
Last post September 25, 2022, 1552 UTC
by Ray Lalleu
2 Replies
625 Views
Last post October 09, 2021, 1848 UTC
by kobalts
1 Replies
422 Views
Last post February 02, 2020, 1006 UTC
by KaySeeks
1 Replies
208 Views
Last post December 28, 2024, 1725 UTC
by Princo
0 Replies
479 Views
Last post May 24, 2019, 1841 UTC
by Ray Lalleu
1 Replies
356 Views
Last post May 27, 2024, 1949 UTC
by Fisherman
0 Replies
359 Views
Last post May 28, 2022, 0819 UTC
by Ray Lalleu
0 Replies
232 Views
Last post November 12, 2023, 0805 UTC
by Ray Lalleu
5 Replies
1409 Views
Last post November 20, 2021, 2224 UTC
by Funkenblitz
0 Replies
568 Views
Last post January 08, 2019, 1828 UTC
by Ray Lalleu
1 Replies
327 Views
Last post February 12, 2024, 1839 UTC
by Fisherman
1 Replies
430 Views
Last post February 27, 2022, 1610 UTC
by Ray Lalleu
1 Replies
416 Views
Last post April 27, 2021, 1517 UTC
by Bali_Frank
0 Replies
423 Views
Last post July 18, 2019, 1623 UTC
by Ray Lalleu
0 Replies
167 Views
Last post July 29, 2023, 0924 UTC
by Ray Lalleu
0 Replies
418 Views
Last post August 13, 2021, 1933 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 House Flag
by MitchellTimeDesigns