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 permissable in your locale.

Subject / Started by Last post
0 Replies
280 Views
Last post November 25, 2022, 1627 UTC
by Shortwave_Listener
6 Replies
1323 Views
Last post January 11, 2020, 1213 UTC
by paulc
6 Replies
1046 Views
Last post November 17, 2019, 1443 UTC
by Andrew Yoder
0 Replies
1094 Views
Last post December 25, 2011, 0605 UTC
by Kilokat7
0 Replies
1142 Views
Last post December 31, 2011, 0620 UTC
by Kilokat7
0 Replies
526 Views
Last post April 26, 2021, 1440 UTC
by NQC
0 Replies
1038 Views
Last post November 14, 2010, 1847 UTC
by ChrisSmolinski
2 Replies
1525 Views
Last post April 14, 2013, 1137 UTC
by cmradio
8 Replies
1907 Views
Last post November 24, 2012, 0141 UTC
by Kilokat7
0 Replies
825 Views
Last post September 29, 2012, 0233 UTC
by Kilokat7
9 Replies
2681 Views
Last post January 06, 2013, 2211 UTC
by mr. mike
0 Replies
1001 Views
Last post February 17, 2013, 1356 UTC
by Kilokat7
9 Replies
4971 Views
Last post October 13, 2012, 1747 UTC
by jFarley
11 Replies
4870 Views
Last post November 25, 2010, 2134 UTC
by Andrew Yoder
2 Replies
3805 Views
Last post February 26, 2012, 0337 UTC
by skeezix
0 Replies
907 Views
Last post April 21, 2013, 1035 UTC
by Kilokat7
1 Replies
899 Views
Last post November 22, 2012, 1707 UTC
by BDM
2 Replies
3535 Views
Last post November 08, 2012, 0246 UTC
by Kilokat7
2 Replies
1337 Views
Last post April 27, 2013, 0418 UTC
by RCCI
3 Replies
1818 Views
Last post October 26, 2017, 0005 UTC
by Helicaster

 

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