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
5 Replies
9337 Views
Last post April 28, 2023, 0850 UTC
by Mathew
8 Replies
15064 Views
Last post December 26, 2023, 1849 UTC
by Daniel Wyllyans
5 Replies
1184 Views
Last post March 27, 2023, 0138 UTC
by Shortwave_Listener
3 Replies
871 Views
Last post April 13, 2023, 0051 UTC
by N2MLP
4 Replies
1034 Views
Last post March 22, 2023, 1321 UTC
by ChrisSmolinski
3 Replies
1271 Views
Last post January 09, 2024, 0019 UTC
by Molvania Poacher
4 Replies
1306 Views
Last post April 17, 2022, 1641 UTC
by Skipmuck
2 Replies
1063 Views
Last post February 10, 2023, 0614 UTC
by Skipmuck
1 Replies
943 Views
Last post April 30, 2022, 2355 UTC
by Shortwave_Listener
0 Replies
751 Views
Last post April 24, 2022, 1903 UTC
by wldpc
0 Replies
619 Views
Last post February 10, 2023, 0047 UTC
by wldpc
1 Replies
1190 Views
Last post May 15, 2022, 0038 UTC
by Ray Lalleu
2 Replies
1050 Views
Last post April 30, 2022, 2354 UTC
by wldpc
6 Replies
2306 Views
Last post January 09, 2019, 2300 UTC
by Ray Lalleu
5 Replies
2164 Views
Last post November 02, 2020, 0043 UTC
by ka3jjz
0 Replies
964 Views
Last post November 07, 2022, 1009 UTC
by TRI International
4 Replies
973 Views
Last post October 15, 2022, 1955 UTC
by TRI International
0 Replies
1456 Views
Last post September 08, 2023, 0937 UTC
by TRI International
2 Replies
761 Views
Last post September 27, 2022, 1954 UTC
by TRI International
0 Replies
599 Views
Last post September 03, 2023, 0911 UTC
by TRI International

 

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