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
278 Views
Last post February 24, 2023, 1556 UTC
by Ray Lalleu
2 Replies
587 Views
Last post January 23, 2022, 1336 UTC
by TRI International
4 Replies
876 Views
Last post May 09, 2020, 2154 UTC
by RainBrandy
0 Replies
407 Views
Last post July 06, 2021, 2101 UTC
by Ray Lalleu
0 Replies
396 Views
Last post October 15, 2019, 1705 UTC
by Ray Lalleu
1 Replies
354 Views
Last post October 10, 2024, 1739 UTC
by kris
2 Replies
581 Views
Last post October 11, 2022, 1809 UTC
by kris
0 Replies
646 Views
Last post February 01, 2019, 1735 UTC
by Ray Lalleu
2 Replies
518 Views
Last post February 24, 2024, 0503 UTC
by RobRich
1 Replies
498 Views
Last post March 10, 2022, 1850 UTC
by kris
0 Replies
499 Views
Last post March 27, 2021, 1009 UTC
by Ray Lalleu
2 Replies
669 Views
Last post June 09, 2019, 1807 UTC
by Ray Lalleu
1 Replies
348 Views
Last post June 11, 2024, 2031 UTC
by FOX
1 Replies
349 Views
Last post August 09, 2023, 2125 UTC
by EagleWave
2 Replies
599 Views
Last post August 24, 2021, 2010 UTC
by Grey Fox
0 Replies
320 Views
Last post September 26, 2020, 1015 UTC
by Ray Lalleu
0 Replies
435 Views
Last post December 07, 2019, 0745 UTC
by Ray Lalleu
0 Replies
534 Views
Last post September 10, 2018, 2009 UTC
by Ray Lalleu
0 Replies
174 Views
Last post September 06, 2025, 0755 UTC
by Ray Lalleu
0 Replies
336 Views
Last post November 12, 2024, 2114 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