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
215 Views
Last post February 22, 2025, 0957 UTC
by Ray Lalleu
0 Replies
558 Views
Last post March 26, 2020, 0728 UTC
by Ray Lalleu
0 Replies
310 Views
Last post November 19, 2023, 1645 UTC
by Ray Lalleu
0 Replies
646 Views
Last post September 05, 2018, 1819 UTC
by Ray Lalleu
2 Replies
303 Views
Last post August 05, 2023, 2000 UTC
by RainBrandy
0 Replies
236 Views
Last post June 07, 2024, 2112 UTC
by Ray Lalleu
0 Replies
249 Views
Last post May 23, 2025, 1941 UTC
by Ray Lalleu
3 Replies
726 Views
Last post June 03, 2019, 2031 UTC
by kris
0 Replies
290 Views
Last post June 14, 2020, 1257 UTC
by Ray Lalleu
0 Replies
394 Views
Last post March 21, 2021, 2032 UTC
by Ray Lalleu
1 Replies
361 Views
Last post February 18, 2023, 2224 UTC
by Ray Lalleu
0 Replies
327 Views
Last post February 19, 2024, 2155 UTC
by Ray Lalleu
0 Replies
210 Views
Last post January 04, 2025, 1336 UTC
by Ray Lalleu
0 Replies
413 Views
Last post January 26, 2019, 0847 UTC
by Ray Lalleu
0 Replies
299 Views
Last post December 21, 2020, 1436 UTC
by Ray Lalleu
1 Replies
210 Views
Last post October 06, 2024, 1353 UTC
by Fisherman
0 Replies
405 Views
Last post October 12, 2019, 1403 UTC
by Ray Lalleu
1 Replies
571 Views
Last post July 02, 2021, 2300 UTC
by kris
1 Replies
459 Views
Last post May 07, 2020, 1855 UTC
by kris
0 Replies
340 Views
Last post January 22, 2022, 0952 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