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
818 Views
Last post December 08, 2018, 1611 UTC
by ChrisSmolinski
6 Replies
818 Views
Last post January 28, 2025, 1215 UTC
by ChrisSmolinski
5 Replies
818 Views
Last post December 25, 2022, 2318 UTC
by Pigmeat
0 Replies
818 Views
Last post December 25, 2011, 2314 UTC
by Sealord
12 Replies
817 Views
Last post January 25, 2025, 0304 UTC
by Crater Eddie
3 Replies
817 Views
Last post September 29, 2019, 1317 UTC
by refmo
0 Replies
817 Views
Last post November 06, 2015, 2231 UTC
by jFarley
4 Replies
817 Views
Last post December 21, 2024, 1642 UTC
by Nomadiq
6 Replies
817 Views
Last post January 19, 2023, 0159 UTC
by Evil Elvis
4 Replies
817 Views
Last post October 18, 2019, 2132 UTC
by Davep
1 Replies
817 Views
Last post December 25, 2012, 1914 UTC
by Sealord
1 Replies
817 Views
Last post December 24, 2012, 1904 UTC
by Sealord
0 Replies
817 Views
Last post February 16, 2016, 0131 UTC
by JohnS
5 Replies
817 Views
Last post March 16, 2025, 1326 UTC
by N2MLP
5 Replies
817 Views
Last post October 02, 2024, 0335 UTC
by Joker
2 Replies
817 Views
Last post November 22, 2020, 1141 UTC
by Skipmuck
2 Replies
817 Views
Last post November 15, 2019, 2049 UTC
by refmo
0 Replies
817 Views
Last post August 01, 2012, 0112 UTC
by Jolly Roger
2 Replies
817 Views
Last post May 29, 2018, 1118 UTC
by ChrisSmolinski
7 Replies
817 Views
Last post December 31, 2022, 2043 UTC
by Shortwave_Listener

 

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