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
4 Replies
1673 Views
Last post October 11, 2014, 0044 UTC
by ChrisSmolinski
0 Replies
1038 Views
Last post April 06, 2014, 2223 UTC
by jeffbee
0 Replies
1041 Views
Last post April 06, 2014, 2219 UTC
by jeffbee
0 Replies
1140 Views
Last post December 15, 2013, 0049 UTC
by jdstephens
0 Replies
1183 Views
Last post December 15, 2013, 0026 UTC
by jdstephens
0 Replies
1116 Views
Last post December 15, 2013, 0005 UTC
by jdstephens
3 Replies
1568 Views
Last post December 15, 2013, 0004 UTC
by Andrew Yoder
0 Replies
1117 Views
Last post November 09, 2014, 0146 UTC
by jdstephens
1 Replies
1413 Views
Last post December 14, 2013, 2358 UTC
by DimBulb
1 Replies
1398 Views
Last post November 09, 2014, 0136 UTC
by Jari Finland
0 Replies
1154 Views
Last post August 03, 2014, 0258 UTC
by jdstephens
0 Replies
1081 Views
Last post August 03, 2014, 0107 UTC
by jdstephens
15 Replies
4358 Views
Last post November 06, 2016, 1702 UTC
by ChrisSmolinski
0 Replies
907 Views
Last post January 27, 2018, 0019 UTC
by JCMaxwell
4 Replies
2187 Views
Last post March 13, 2016, 1406 UTC
by Jari Finland
1 Replies
2395 Views
Last post August 27, 2014, 0002 UTC
by Skipmuck
4 Replies
1624 Views
Last post July 27, 2019, 2140 UTC
by Ray Lalleu
0 Replies
981 Views
Last post July 27, 2019, 1955 UTC
by Jari Finland
1 Replies
876 Views
Last post July 27, 2019, 1947 UTC
by Brian
0 Replies
561 Views
Last post January 18, 2020, 2234 UTC
by Jari Finland

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns