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
1401 Views
Last post October 22, 2023, 0043 UTC
by nitroengine
0 Replies
862 Views
Last post October 21, 2023, 1913 UTC
by ~SIGINT~
0 Replies
984 Views
Last post October 21, 2023, 1242 UTC
by kris
7 Replies
2765 Views
Last post October 21, 2023, 0231 UTC
by Shortwave_Listener
0 Replies
1063 Views
Last post October 20, 2023, 1306 UTC
by kris
19 Replies
4803 Views
Last post October 18, 2023, 0224 UTC
by Nomadiq
1 Replies
1197 Views
Last post October 14, 2023, 1131 UTC
by manfredo
5 Replies
1597 Views
Last post October 08, 2023, 2040 UTC
by TRI International
4 Replies
1667 Views
Last post October 06, 2023, 1354 UTC
by ~SIGINT~
3 Replies
1280 Views
Last post September 28, 2023, 0729 UTC
by tiNG
0 Replies
1008 Views
Last post September 19, 2023, 1043 UTC
by TRI International
0 Replies
1023 Views
Last post September 14, 2023, 1305 UTC
by TRI International
0 Replies
822 Views
Last post September 14, 2023, 1255 UTC
by TRI International
0 Replies
1215 Views
Last post September 09, 2023, 1453 UTC
by TRI International
0 Replies
1848 Views
Last post August 29, 2023, 2357 UTC
by mike
1 Replies
1308 Views
Last post August 28, 2023, 1335 UTC
by ChrisSmolinski
1 Replies
1445 Views
Last post August 26, 2023, 2004 UTC
by N2MLP
3 Replies
2038 Views
Last post August 19, 2023, 2057 UTC
by Edgar Souse
1 Replies
1110 Views
Last post August 19, 2023, 0554 UTC
by tiNG
1 Replies
901 Views
Last post August 18, 2023, 2110 UTC
by kris

 

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