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
870 Views
Last post December 05, 2016, 0820 UTC
by Ron - Calif.
0 Replies
559 Views
Last post August 16, 2018, 1712 UTC
by ChrisSmolinski
0 Replies
438 Views
Last post January 12, 2022, 2137 UTC
by Ron - Calif.
2 Replies
2072 Views
Last post May 23, 2015, 1135 UTC
by VK3BVW
0 Replies
753 Views
Last post October 31, 2017, 2332 UTC
by VK3BVW
0 Replies
452 Views
Last post September 09, 2024, 1902 UTC
by Paul B. Walker, Jr.
5 Replies
2491 Views
Last post March 30, 2017, 2220 UTC
by MDK2
0 Replies
410 Views
Last post July 30, 2022, 1737 UTC
by Paul B. Walker, Jr.
6 Replies
1283 Views
Last post February 18, 2022, 1757 UTC
by MDK2
0 Replies
237 Views
Last post November 26, 2023, 1204 UTC
by TRI International
0 Replies
484 Views
Last post September 22, 2019, 2256 UTC
by kris
0 Replies
692 Views
Last post November 25, 2018, 1633 UTC
by MDK2
0 Replies
264 Views
Last post November 26, 2022, 1351 UTC
by Ray Lalleu
2 Replies
648 Views
Last post November 16, 2019, 2144 UTC
by WWBR
0 Replies
2902 Views
Last post August 15, 2019, 1709 UTC
by kris
0 Replies
486 Views
Last post July 15, 2019, 2131 UTC
by kris
2 Replies
382 Views
Last post March 23, 2023, 2223 UTC
by Shortwave_Listener
0 Replies
591 Views
Last post May 05, 2020, 1235 UTC
by autovon
3 Replies
923 Views
Last post April 27, 2020, 1309 UTC
by East Troy Don
1 Replies
421 Views
Last post January 12, 2023, 0157 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