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
580 Views
Last post January 17, 2023, 0140 UTC
by Zane
4 Replies
657 Views
Last post May 26, 2023, 0231 UTC
by Markokpik
6 Replies
790 Views
Last post June 20, 2023, 2335 UTC
by TRI International
3 Replies
674 Views
Last post June 06, 2023, 2106 UTC
by TRI International
1 Replies
384 Views
Last post November 10, 2022, 0053 UTC
by Ray Lalleu
2 Replies
2573 Views
Last post December 12, 2022, 0158 UTC
by ~SIGINT~
8 Replies
1247 Views
Last post December 31, 2022, 1911 UTC
by Shortwave_Listener
12 Replies
857 Views
Last post December 25, 2024, 0622 UTC
by PietariDX
6 Replies
868 Views
Last post July 18, 2024, 0916 UTC
by N2MLP
26 Replies
1879 Views
Last post October 05, 2024, 0752 UTC
by RainBrandy
15 Replies
1938 Views
Last post August 19, 2021, 2344 UTC
by Ct Yankee
5 Replies
827 Views
Last post February 19, 2023, 0453 UTC
by Pigmeat
4 Replies
581 Views
Last post September 26, 2024, 2107 UTC
by ChrisSmolinski
0 Replies
751 Views
Last post March 04, 2019, 2217 UTC
by dxace1
5 Replies
811 Views
Last post January 26, 2024, 0007 UTC
by myteaquinn
2 Replies
849 Views
Last post September 05, 2021, 1757 UTC
by Skipmuck
9 Replies
1138 Views
Last post August 21, 2023, 0331 UTC
by Markokpik
1 Replies
594 Views
Last post July 14, 2020, 1421 UTC
by ChrisSmolinski
1 Replies
650 Views
Last post December 23, 2021, 0158 UTC
by Skipmuck
2 Replies
1022 Views
Last post April 18, 2021, 1228 UTC
by ChrisSmolinski

 

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