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
1 Replies
704 Views
Last post November 13, 2019, 2313 UTC
by kris
2 Replies
704 Views
Last post September 21, 2020, 2355 UTC
by Radio Star
3 Replies
705 Views
Last post April 25, 2019, 1958 UTC
by Andrew Yoder
0 Replies
705 Views
Last post April 15, 2019, 2221 UTC
by Skipmuck
2 Replies
705 Views
Last post June 18, 2021, 2308 UTC
by kris
0 Replies
705 Views
Last post January 14, 2019, 1232 UTC
by Ray Lalleu
2 Replies
705 Views
Last post December 05, 2020, 2005 UTC
by kris
1 Replies
705 Views
Last post May 01, 2021, 2315 UTC
by Ct Yankee
3 Replies
705 Views
Last post May 16, 2020, 0807 UTC
by KaySeeks
2 Replies
705 Views
Last post April 01, 2022, 2332 UTC
by Ray Lalleu
3 Replies
705 Views
Last post September 10, 2021, 2324 UTC
by Chuck54
1 Replies
705 Views
Last post August 22, 2021, 0912 UTC
by TRI International
3 Replies
705 Views
Last post November 05, 2021, 1911 UTC
by kobalts
3 Replies
705 Views
Last post October 06, 2020, 1807 UTC
by kris
4 Replies
705 Views
Last post April 07, 2022, 1756 UTC
by Misti-Radio
2 Replies
705 Views
Last post November 05, 2023, 0845 UTC
by RainBrandy
4 Replies
705 Views
Last post August 23, 2024, 1934 UTC
by europirate
8 Replies
705 Views
Last post February 07, 2025, 1737 UTC
by Alaska_CZ
1 Replies
705 Views
Last post July 13, 2018, 2341 UTC
by Skipmuck
1 Replies
705 Views
Last post March 15, 2025, 1812 UTC
by PATRICE D PRIVAT

 

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