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
1 Replies
837 Views
Last post December 10, 2012, 1856 UTC
by ChrisSmolinski
0 Replies
774 Views
Last post October 28, 2011, 1250 UTC
by Sealord
3 Replies
1541 Views
Last post July 19, 2012, 0146 UTC
by jFarley
1 Replies
1021 Views
Last post May 09, 2012, 2339 UTC
by refmo
1 Replies
870 Views
Last post February 09, 2012, 1607 UTC
by weaksigs
0 Replies
855 Views
Last post December 05, 2018, 1317 UTC
by Sealord
1 Replies
1367 Views
Last post May 03, 2012, 2102 UTC
by Ray Lalleu
2 Replies
1073 Views
Last post August 22, 2013, 2026 UTC
by jFarley
2 Replies
1179 Views
Last post June 06, 2014, 1928 UTC
by jFarley
7 Replies
2360 Views
Last post January 28, 2012, 0008 UTC
by weaksigs
1 Replies
772 Views
Last post February 13, 2013, 1327 UTC
by ChrisSmolinski
0 Replies
413 Views
Last post March 20, 2022, 1537 UTC
by Sealord
13 Replies
3018 Views
Last post February 09, 2013, 1719 UTC
by Hornet0123
2 Replies
981 Views
Last post October 10, 2012, 2305 UTC
by thechoat
0 Replies
816 Views
Last post January 04, 2012, 1158 UTC
by Sealord
3 Replies
1104 Views
Last post October 30, 2013, 1347 UTC
by desmoface
0 Replies
810 Views
Last post May 05, 2011, 0011 UTC
by Sealord
2 Replies
1119 Views
Last post September 02, 2011, 0149 UTC
by L Cee
0 Replies
1142 Views
Last post September 28, 2013, 1456 UTC
by Sealord
2 Replies
1180 Views
Last post June 12, 2014, 2016 UTC
by jFarley

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns