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
1009 Views
Last post January 10, 2017, 1405 UTC
by Yankee Charlie
1 Replies
1186 Views
Last post August 29, 2015, 0208 UTC
by Markokpik
1 Replies
929 Views
Last post August 29, 2015, 2205 UTC
by ByteBORG
1 Replies
979 Views
Last post July 28, 2019, 2316 UTC
by Ct Yankee
1 Replies
540 Views
Last post February 26, 2024, 1221 UTC
by ChrisSmolinski
1 Replies
474 Views
Last post March 12, 2023, 0358 UTC
by Shortwave_Listener
1 Replies
401 Views
Last post January 28, 2023, 2259 UTC
by Kestrel
1 Replies
898 Views
Last post July 30, 2019, 1801 UTC
by hammarhead
1 Replies
1113 Views
Last post August 30, 2015, 2332 UTC
by Dick Weed
1 Replies
635 Views
Last post August 25, 2019, 1409 UTC
by ChrisSmolinski
1 Replies
569 Views
Last post March 30, 2023, 1447 UTC
by Danoman
1 Replies
1052 Views
Last post November 03, 2015, 1342 UTC
by ChrisSmolinski
1 Replies
1110 Views
Last post July 27, 2019, 1222 UTC
by ChrisSmolinski
1 Replies
1205 Views
Last post September 01, 2015, 1500 UTC
by jFarley
1 Replies
866 Views
Last post May 09, 2019, 1703 UTC
by Josh
1 Replies
458 Views
Last post March 18, 2023, 0058 UTC
by N2MLP
1 Replies
1096 Views
Last post September 03, 2015, 1726 UTC
by ChrisSmolinski
1 Replies
1108 Views
Last post September 03, 2015, 1121 UTC
by ChrisSmolinski
1 Replies
1174 Views
Last post September 03, 2015, 1918 UTC
by Mentholyptus
1 Replies
753 Views
Last post May 08, 2016, 0040 UTC
by refmo

 

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