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
666 Views
Last post July 05, 2019, 1732 UTC
by dxace1
0 Replies
450 Views
Last post October 07, 2018, 0832 UTC
by Ray Lalleu
2 Replies
597 Views
Last post December 19, 2021, 1747 UTC
by Ray Lalleu
0 Replies
225 Views
Last post March 15, 2025, 2230 UTC
by Ray Lalleu
2 Replies
474 Views
Last post March 09, 2024, 2023 UTC
by kris
0 Replies
271 Views
Last post April 30, 2023, 0947 UTC
by Ray Lalleu
0 Replies
463 Views
Last post March 27, 2022, 0836 UTC
by Ray Lalleu
3 Replies
683 Views
Last post May 24, 2021, 2019 UTC
by dxace1
0 Replies
299 Views
Last post July 06, 2020, 2026 UTC
by Ray Lalleu
1 Replies
1159 Views
Last post August 30, 2019, 2054 UTC
by dxace1
4 Replies
1597 Views
Last post May 01, 2018, 2105 UTC
by The Ether Hacker
0 Replies
256 Views
Last post September 01, 2023, 1721 UTC
by Ray Lalleu
2 Replies
541 Views
Last post September 13, 2021, 1941 UTC
by Grey Fox
1 Replies
575 Views
Last post November 19, 2020, 1957 UTC
by Jock Wilson
0 Replies
457 Views
Last post December 28, 2019, 1044 UTC
by Ray Lalleu
3 Replies
455 Views
Last post January 01, 2023, 1111 UTC
by dave1965
0 Replies
448 Views
Last post February 14, 2021, 1758 UTC
by Ray Lalleu
0 Replies
520 Views
Last post April 25, 2019, 1723 UTC
by Ray Lalleu
0 Replies
219 Views
Last post April 21, 2024, 0611 UTC
by Ray Lalleu
6 Replies
536 Views
Last post July 31, 2025, 2109 UTC
by Robertas

 

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