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
2 Replies
578 Views
Last post November 21, 2021, 1136 UTC
by Bali_Frank
0 Replies
369 Views
Last post March 21, 2020, 1329 UTC
by Ray Lalleu
0 Replies
480 Views
Last post January 12, 2019, 0007 UTC
by Ray Lalleu
2 Replies
506 Views
Last post February 13, 2024, 2013 UTC
by kris
1 Replies
332 Views
Last post March 30, 2023, 1726 UTC
by kris
1 Replies
531 Views
Last post April 28, 2021, 2120 UTC
by The Vault Keeper
1 Replies
255 Views
Last post May 17, 2025, 1853 UTC
by Ray Lalleu
0 Replies
229 Views
Last post July 29, 2023, 2118 UTC
by Ray Lalleu
1 Replies
578 Views
Last post August 14, 2021, 1941 UTC
by RainBrandy
3 Replies
934 Views
Last post November 21, 2019, 0933 UTC
by Ray Lalleu
0 Replies
211 Views
Last post November 03, 2024, 1829 UTC
by Ray Lalleu
0 Replies
215 Views
Last post November 20, 2022, 0735 UTC
by Ray Lalleu
0 Replies
451 Views
Last post January 22, 2021, 1702 UTC
by Ray Lalleu
0 Replies
399 Views
Last post March 23, 2019, 1132 UTC
by Ray Lalleu
0 Replies
305 Views
Last post March 21, 2024, 1437 UTC
by Ray Lalleu
2 Replies
556 Views
Last post April 06, 2022, 1959 UTC
by Misti-Radio
3 Replies
802 Views
Last post July 20, 2020, 1957 UTC
by kris
0 Replies
731 Views
Last post May 23, 2018, 2018 UTC
by Ray Lalleu
0 Replies
356 Views
Last post October 25, 2020, 1427 UTC
by Ray Lalleu
0 Replies
418 Views
Last post January 15, 2020, 2100 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