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
641 Views
Last post October 17, 2023, 2056 UTC
by europirate
1 Replies
641 Views
Last post June 28, 2022, 2331 UTC
by Ray Lalleu
0 Replies
641 Views
Last post May 06, 2025, 1929 UTC
by europirate
0 Replies
641 Views
Last post May 10, 2025, 2101 UTC
by europirate
1 Replies
641 Views
Last post July 26, 2022, 2152 UTC
by Ray Lalleu
0 Replies
641 Views
Last post July 27, 2022, 1544 UTC
by Misti-Radio
0 Replies
640 Views
Last post May 01, 2025, 2026 UTC
by europirate
1 Replies
640 Views
Last post June 11, 2022, 0819 UTC
by Ray Lalleu
0 Replies
640 Views
Last post July 14, 2022, 2240 UTC
by kris
0 Replies
640 Views
Last post January 04, 2024, 1727 UTC
by FOX
0 Replies
640 Views
Last post July 25, 2025, 2136 UTC
by europirate
0 Replies
639 Views
Last post December 15, 2021, 1802 UTC
by Ray Lalleu
1 Replies
639 Views
Last post January 20, 2024, 2014 UTC
by europirate
0 Replies
639 Views
Last post August 19, 2024, 2117 UTC
by europirate
0 Replies
638 Views
Last post November 29, 2022, 1620 UTC
by Shortwave_Listener
0 Replies
637 Views
Last post February 06, 2022, 1859 UTC
by Magnitic
0 Replies
637 Views
Last post April 26, 2025, 2156 UTC
by europirate
0 Replies
637 Views
Last post June 08, 2022, 1943 UTC
by Misti-Radio
1 Replies
637 Views
Last post August 19, 2022, 2025 UTC
by Ray Lalleu
2 Replies
637 Views
Last post August 21, 2022, 2046 UTC
by Shortwave_Listener

 

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