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
694 Views
Last post June 22, 2018, 1955 UTC
by kris
6 Replies
694 Views
Last post June 13, 2022, 0732 UTC
by Misti-Radio
4 Replies
694 Views
Last post June 05, 2022, 0948 UTC
by Dxcan
1 Replies
694 Views
Last post May 29, 2022, 1955 UTC
by kris
1 Replies
694 Views
Last post October 18, 2023, 2039 UTC
by Ray Lalleu
0 Replies
693 Views
Last post April 22, 2018, 2205 UTC
by kris
4 Replies
693 Views
Last post September 04, 2020, 2341 UTC
by hsmith77
0 Replies
693 Views
Last post December 06, 2018, 1612 UTC
by dxace1
6 Replies
693 Views
Last post December 11, 2022, 1519 UTC
by Ray Lalleu
3 Replies
693 Views
Last post November 27, 2021, 2114 UTC
by europirate
2 Replies
693 Views
Last post April 29, 2019, 2150 UTC
by ChrisSmolinski
4 Replies
693 Views
Last post November 19, 2023, 1627 UTC
by Shortwave_Listener
3 Replies
693 Views
Last post February 19, 2023, 1802 UTC
by Ray Lalleu
1 Replies
693 Views
Last post October 24, 2018, 1839 UTC
by Ray Lalleu
1 Replies
692 Views
Last post April 15, 2017, 2121 UTC
by JoeFLIPS
0 Replies
692 Views
Last post May 27, 2017, 2224 UTC
by ChrisSmolinski
2 Replies
692 Views
Last post July 21, 2020, 0717 UTC
by Jari Finland
3 Replies
692 Views
Last post December 16, 2018, 2303 UTC
by Ray Lalleu
2 Replies
692 Views
Last post March 29, 2022, 1719 UTC
by The Ether Hacker
4 Replies
692 Views
Last post December 12, 2021, 1559 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