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
7 Replies
2790 Views
Last post December 16, 2014, 0107 UTC
by SW Observer
8 Replies
2930 Views
Last post December 18, 2018, 2252 UTC
by ka1iic
0 Replies
924 Views
Last post February 20, 2016, 0912 UTC
by ka1iic
0 Replies
874 Views
Last post May 15, 2014, 1345 UTC
by ka1iic
4 Replies
1628 Views
Last post April 23, 2014, 1549 UTC
by Token
1 Replies
1424 Views
Last post September 21, 2014, 2300 UTC
by Pigmeat
0 Replies
887 Views
Last post January 06, 2016, 2116 UTC
by ka1iic
0 Replies
874 Views
Last post April 22, 2014, 1706 UTC
by ka1iic
0 Replies
988 Views
Last post December 17, 2015, 2344 UTC
by ka1iic
0 Replies
841 Views
Last post October 07, 2016, 1525 UTC
by ka1iic
4 Replies
1582 Views
Last post January 09, 2016, 0138 UTC
by Terry
0 Replies
910 Views
Last post November 22, 2014, 1608 UTC
by ka1iic
0 Replies
975 Views
Last post October 22, 2013, 1527 UTC
by ka1iic
3 Replies
1537 Views
Last post December 18, 2015, 1958 UTC
by BDM
1 Replies
1334 Views
Last post January 07, 2015, 1713 UTC
by Jari Finland
2 Replies
1535 Views
Last post November 21, 2015, 2138 UTC
by ka1iic
10 Replies
3214 Views
Last post May 25, 2014, 0022 UTC
by Pigmeat
14 Replies
3999 Views
Last post February 01, 2018, 1137 UTC
by BoomboxDX
0 Replies
957 Views
Last post March 07, 2014, 2145 UTC
by ka1iic
4 Replies
1766 Views
Last post November 06, 2018, 1842 UTC
by Josh

 

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