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
1 Replies
883 Views
Last post August 30, 2012, 2135 UTC
by jFarley
3 Replies
1369 Views
Last post November 25, 2020, 1928 UTC
by ChrisSmolinski
7 Replies
1287 Views
Last post December 26, 2023, 1520 UTC
by Ron Hunsicker
8 Replies
717 Views
Last post September 27, 2024, 2236 UTC
by Markokpik
10 Replies
2659 Views
Last post July 25, 2018, 0542 UTC
by Pigmeat
25 Replies
6287 Views
Last post October 13, 2013, 0038 UTC
by glimmer twin
0 Replies
283 Views
Last post September 02, 2023, 1128 UTC
by ChrisSmolinski
0 Replies
771 Views
Last post January 05, 2014, 1658 UTC
by ChrisSmolinski
0 Replies
474 Views
Last post August 08, 2021, 1419 UTC
by ChrisSmolinski
0 Replies
617 Views
Last post October 19, 2016, 1306 UTC
by ChrisSmolinski
3 Replies
900 Views
Last post April 27, 2019, 1938 UTC
by myteaquinn
4 Replies
1673 Views
Last post May 23, 2014, 2317 UTC
by Fuse
0 Replies
854 Views
Last post October 29, 2014, 1148 UTC
by ChrisSmolinski
6 Replies
2028 Views
Last post January 15, 2012, 1654 UTC
by curious george
3 Replies
776 Views
Last post May 29, 2020, 2153 UTC
by Ct Yankee
6 Replies
1582 Views
Last post September 19, 2015, 0139 UTC
by Mentholyptus
0 Replies
448 Views
Last post March 08, 2019, 1053 UTC
by ChrisSmolinski
3 Replies
1552 Views
Last post September 07, 2016, 0339 UTC
by WA4FHY
0 Replies
857 Views
Last post April 04, 2014, 1334 UTC
by ChrisSmolinski
3 Replies
807 Views
Last post December 15, 2019, 2103 UTC
by Treehouse SWL

 

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