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
726 Views
Last post November 24, 2016, 0941 UTC
by Oliver
0 Replies
1090 Views
Last post June 05, 2015, 1528 UTC
by Oliver
0 Replies
818 Views
Last post March 07, 2016, 0540 UTC
by Oliver
1 Replies
849 Views
Last post November 05, 2017, 1226 UTC
by Gino Italy
4 Replies
2136 Views
Last post October 07, 2015, 0109 UTC
by refmo
0 Replies
843 Views
Last post December 11, 2016, 1401 UTC
by Oliver
5 Replies
2045 Views
Last post September 25, 2015, 0212 UTC
by Mentholyptus
1 Replies
1378 Views
Last post January 18, 2015, 1859 UTC
by ByteBORG
0 Replies
987 Views
Last post April 26, 2015, 1857 UTC
by Oliver
0 Replies
1213 Views
Last post March 09, 2015, 2154 UTC
by Oliver
1 Replies
1428 Views
Last post February 11, 2015, 2233 UTC
by Skipmuck
0 Replies
793 Views
Last post July 09, 2016, 2030 UTC
by Oliver
1 Replies
1162 Views
Last post November 27, 2015, 2134 UTC
by Mentholyptus
0 Replies
798 Views
Last post June 29, 2018, 1846 UTC
by Oliver
8 Replies
2615 Views
Last post October 23, 2015, 0429 UTC
by Pigmeat
0 Replies
888 Views
Last post August 11, 2017, 2255 UTC
by Oliver
1 Replies
1528 Views
Last post June 16, 2015, 1553 UTC
by Claudio Italy
0 Replies
1156 Views
Last post October 22, 2016, 1322 UTC
by Oliver
0 Replies
740 Views
Last post November 29, 2017, 1635 UTC
by Oliver
0 Replies
900 Views
Last post June 28, 2018, 0543 UTC
by Oliver

 

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