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
1063 Views
Last post January 16, 2015, 1339 UTC
by ChrisSmolinski
2 Replies
2564 Views
Last post April 23, 2015, 1229 UTC
by ChrisSmolinski
0 Replies
1056 Views
Last post January 22, 2016, 2346 UTC
by Token
0 Replies
881 Views
Last post January 07, 2016, 1553 UTC
by ChrisSmolinski
3 Replies
460 Views
Last post January 22, 2025, 1613 UTC
by ChrisSmolinski
9 Replies
2836 Views
Last post December 22, 2013, 1050 UTC
by Humat
0 Replies
1017 Views
Last post February 14, 2011, 0105 UTC
by Captain Crunch
0 Replies
994 Views
Last post February 12, 2011, 2022 UTC
by aurora
5 Replies
735 Views
Last post January 16, 2022, 0053 UTC
by myteaquinn
9 Replies
1256 Views
Last post January 16, 2022, 0322 UTC
by dxace1
15 Replies
1943 Views
Last post January 15, 2022, 2256 UTC
by Andrew Yoder
0 Replies
737 Views
Last post September 16, 2020, 2336 UTC
by RobRich
13 Replies
2739 Views
Last post October 17, 2023, 0057 UTC
by ~SIGINT~
10 Replies
1359 Views
Last post August 11, 2024, 1954 UTC
by Ron Hunsicker
8 Replies
2265 Views
Last post March 06, 2014, 2203 UTC
by Skipmuck
20 Replies
1779 Views
Last post May 02, 2023, 2353 UTC
by Jim Renfrew
14 Replies
1777 Views
Last post January 23, 2022, 0114 UTC
by dxace1
9 Replies
1180 Views
Last post August 27, 2022, 0254 UTC
by Markokpik
6 Replies
891 Views
Last post August 27, 2022, 1220 UTC
by Pravotorov
1 Replies
454 Views
Last post August 27, 2022, 0155 UTC
by Markokpik

 

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