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
6 Replies
878 Views
Last post January 09, 2025, 2201 UTC
by dxace1
0 Replies
902 Views
Last post November 22, 2015, 1531 UTC
by ChrisSmolinski
0 Replies
319 Views
Last post April 14, 2025, 1120 UTC
by ChrisSmolinski
4 Replies
1246 Views
Last post February 06, 2016, 2003 UTC
by flexoman61
10 Replies
1191 Views
Last post September 11, 2021, 0047 UTC
by ~SIGINT~
0 Replies
468 Views
Last post June 03, 2019, 1003 UTC
by ChrisSmolinski
11 Replies
3394 Views
Last post July 06, 2014, 0103 UTC
by ChrisLobdell
0 Replies
905 Views
Last post October 13, 2011, 0010 UTC
by ChrisSmolinski
17 Replies
1556 Views
Last post May 09, 2023, 2350 UTC
by Markokpik
3 Replies
1329 Views
Last post February 25, 2012, 1437 UTC
by ChrisSmolinski
0 Replies
752 Views
Last post December 29, 2012, 2209 UTC
by ChrisSmolinski
4 Replies
844 Views
Last post March 28, 2021, 1845 UTC
by TRI International
7 Replies
2152 Views
Last post December 17, 2018, 1923 UTC
by Josh
2 Replies
1268 Views
Last post March 06, 2018, 1559 UTC
by ChrisSmolinski
0 Replies
931 Views
Last post May 02, 2015, 1806 UTC
by ChrisSmolinski
0 Replies
924 Views
Last post July 07, 2012, 1917 UTC
by ChrisSmolinski
0 Replies
779 Views
Last post April 20, 2019, 1823 UTC
by ChrisSmolinski
2 Replies
848 Views
Last post August 11, 2019, 1423 UTC
by Davep
1 Replies
1004 Views
Last post November 30, 2013, 1914 UTC
by hsmith77
11 Replies
1791 Views
Last post February 14, 2025, 1157 UTC
by RainBrandy

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns