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
2586 Views
Last post May 04, 2008, 0021 UTC
by ChrisSmolinski
0 Replies
982 Views
Last post October 10, 2011, 2051 UTC
by ChrisSmolinski
5 Replies
829 Views
Last post June 25, 2022, 1339 UTC
by Billo
8 Replies
2678 Views
Last post February 16, 2014, 0116 UTC
by Tuco
7 Replies
2859 Views
Last post January 17, 2019, 2257 UTC
by Ron Hunsicker
14 Replies
4181 Views
Last post January 11, 2015, 2322 UTC
by Oliver
1 Replies
925 Views
Last post July 16, 2016, 1708 UTC
by hsmith77
0 Replies
1635 Views
Last post October 19, 2008, 1913 UTC
by ChrisSmolinski
2 Replies
1643 Views
Last post August 31, 2014, 2312 UTC
by jFarley
0 Replies
842 Views
Last post November 02, 2013, 1631 UTC
by ChrisSmolinski
0 Replies
566 Views
Last post September 21, 2018, 2236 UTC
by ChrisSmolinski
0 Replies
607 Views
Last post May 12, 2025, 1241 UTC
by ChrisSmolinski
1 Replies
421 Views
Last post October 27, 2024, 1717 UTC
by N2MLP
1 Replies
1173 Views
Last post December 23, 2016, 2252 UTC
by refmo
12 Replies
548 Views
Last post October 30, 2025, 2332 UTC
by TwoSidedDice
0 Replies
552 Views
Last post May 12, 2018, 1305 UTC
by ChrisSmolinski
0 Replies
667 Views
Last post June 19, 2021, 2036 UTC
by ChrisSmolinski
4 Replies
637 Views
Last post August 31, 2025, 2235 UTC
by dxace1
11 Replies
2537 Views
Last post December 19, 2015, 2151 UTC
by Skipmuck
0 Replies
615 Views
Last post September 07, 2020, 2234 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 T-Shirt
by MitchellTimeDesigns