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
1271 Views
Last post April 21, 2015, 1152 UTC
by ChrisSmolinski
0 Replies
509 Views
Last post December 13, 2016, 1623 UTC
by ChrisSmolinski
0 Replies
857 Views
Last post February 14, 2014, 1938 UTC
by ChrisSmolinski
0 Replies
394 Views
Last post September 10, 2022, 1940 UTC
by ChrisSmolinski
0 Replies
506 Views
Last post April 16, 2022, 1212 UTC
by ChrisSmolinski
0 Replies
572 Views
Last post December 03, 2016, 1710 UTC
by ChrisSmolinski
0 Replies
840 Views
Last post April 24, 2013, 1652 UTC
by ChrisSmolinski
0 Replies
424 Views
Last post June 24, 2022, 0306 UTC
by Skipmuck
0 Replies
599 Views
Last post May 09, 2022, 0335 UTC
by Treehouse SWL
0 Replies
445 Views
Last post March 14, 2022, 1216 UTC
by ChrisSmolinski
0 Replies
847 Views
Last post September 06, 2013, 1143 UTC
by ChrisSmolinski
0 Replies
1335 Views
Last post June 05, 2014, 0007 UTC
by ChrisSmolinski
0 Replies
766 Views
Last post November 27, 2016, 1858 UTC
by R4002
0 Replies
1008 Views
Last post April 05, 2015, 1449 UTC
by ChrisSmolinski
0 Replies
467 Views
Last post December 13, 2016, 1508 UTC
by ChrisSmolinski
0 Replies
703 Views
Last post November 30, 2016, 2318 UTC
by Ct Yankee
0 Replies
600 Views
Last post April 20, 2017, 1121 UTC
by ChrisSmolinski
0 Replies
601 Views
Last post April 24, 2017, 2156 UTC
by PirateSWL
0 Replies
1109 Views
Last post March 15, 2015, 0242 UTC
by JohnS
0 Replies
796 Views
Last post April 27, 2013, 1200 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