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
13 Replies
1400 Views
Last post January 29, 2022, 0002 UTC
by blw
5 Replies
1656 Views
Last post March 31, 2017, 2308 UTC
by PirateSWL
7 Replies
978 Views
Last post December 31, 2018, 2129 UTC
by aurora
0 Replies
488 Views
Last post November 04, 2020, 1147 UTC
by ChrisSmolinski
1 Replies
899 Views
Last post June 13, 2014, 1325 UTC
by Sealord
4 Replies
1522 Views
Last post February 05, 2012, 0340 UTC
by S. McArdle
1 Replies
1312 Views
Last post August 31, 2019, 1224 UTC
by refmo
3 Replies
1319 Views
Last post November 14, 2014, 0149 UTC
by vhavrilko
0 Replies
937 Views
Last post March 30, 2013, 1859 UTC
by ChrisSmolinski
0 Replies
410 Views
Last post September 29, 2020, 1325 UTC
by ChrisSmolinski
0 Replies
688 Views
Last post December 30, 2015, 1507 UTC
by ChrisSmolinski
1 Replies
1013 Views
Last post August 23, 2013, 1859 UTC
by ChrisLobdell
3 Replies
1384 Views
Last post December 24, 2011, 0105 UTC
by refmo
0 Replies
1670 Views
Last post November 18, 2013, 1334 UTC
by ChrisSmolinski
10 Replies
3030 Views
Last post April 29, 2012, 0358 UTC
by skeezix
0 Replies
479 Views
Last post December 26, 2017, 2103 UTC
by ChrisSmolinski
2 Replies
1104 Views
Last post August 09, 2016, 2031 UTC
by JCMaxwell
0 Replies
640 Views
Last post December 05, 2015, 1905 UTC
by ChrisSmolinski
5 Replies
781 Views
Last post September 26, 2021, 2129 UTC
by ~SIGINT~
4 Replies
1140 Views
Last post December 04, 2016, 1803 UTC
by Skipmuck

 

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