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 permissable in your locale.

Subject / Started by Last post
4 Replies
220 Views
Last post August 10, 2023, 0100 UTC
by Charlie_Dont_Surf
1 Replies
220 Views
Last post December 20, 2023, 1853 UTC
by TRI International
3 Replies
220 Views
Last post December 21, 2023, 1959 UTC
by dxwingr
6 Replies
220 Views
Last post December 10, 2023, 0030 UTC
by flexoman61
3 Replies
220 Views
Last post May 12, 2023, 0040 UTC
by Skipmuck
3 Replies
220 Views
Last post August 05, 2023, 0345 UTC
by clobdell
1 Replies
220 Views
Last post November 10, 2022, 0053 UTC
by Ray Lalleu
0 Replies
220 Views
Last post November 02, 2022, 1731 UTC
by ChrisSmolinski
1 Replies
220 Views
Last post December 30, 2023, 1735 UTC
by N2MLP
2 Replies
219 Views
Last post July 19, 2023, 0000 UTC
by N2MLP
3 Replies
219 Views
Last post November 12, 2022, 0249 UTC
by blw
1 Replies
219 Views
Last post September 23, 2023, 1842 UTC
by N2MLP
1 Replies
219 Views
Last post December 05, 2022, 1044 UTC
by Bali_Frank
0 Replies
218 Views
Last post November 30, 2023, 2137 UTC
by Paul65
1 Replies
218 Views
Last post January 29, 2023, 2007 UTC
by Shortwave_Listener
3 Replies
218 Views
Last post February 26, 2023, 0022 UTC
by MDK2
0 Replies
218 Views
Last post September 11, 2022, 2127 UTC
by ChrisSmolinski
6 Replies
218 Views
Last post June 19, 2023, 0217 UTC
by Shortwave_Listener
3 Replies
218 Views
Last post June 25, 2023, 1807 UTC
by Big Badfish Al
0 Replies
218 Views
Last post September 14, 2022, 2333 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 Garden Flag
by MitchellTimeDesigns