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
918 Views
Last post September 13, 2024, 1714 UTC
by bgqman
0 Replies
918 Views
Last post March 22, 2018, 2206 UTC
by R4002
0 Replies
918 Views
Last post February 28, 2018, 2143 UTC
by R4002
0 Replies
915 Views
Last post October 30, 2018, 1310 UTC
by R4002
0 Replies
914 Views
Last post March 02, 2018, 2245 UTC
by R4002
2 Replies
914 Views
Last post October 22, 2024, 2046 UTC
by Ray Lalleu
0 Replies
914 Views
Last post October 30, 2022, 1244 UTC
by mike
0 Replies
914 Views
Last post November 29, 2018, 2147 UTC
by R4002
0 Replies
914 Views
Last post November 29, 2018, 2149 UTC
by R4002
0 Replies
913 Views
Last post August 23, 2017, 0059 UTC
by R4002
0 Replies
913 Views
Last post October 19, 2017, 2135 UTC
by R4002
0 Replies
913 Views
Last post November 13, 2018, 2131 UTC
by R4002
0 Replies
912 Views
Last post September 06, 2017, 2209 UTC
by R4002
0 Replies
912 Views
Last post July 31, 2017, 2343 UTC
by R4002
0 Replies
912 Views
Last post December 27, 2022, 1447 UTC
by Ethernut
0 Replies
912 Views
Last post October 26, 2017, 1407 UTC
by R4002
0 Replies
911 Views
Last post January 27, 2018, 2103 UTC
by R4002
0 Replies
911 Views
Last post December 21, 2018, 2105 UTC
by R4002
0 Replies
910 Views
Last post May 22, 2020, 1243 UTC
by RF_Cat
1 Replies
909 Views
Last post September 17, 2022, 0347 UTC
by ~SIGINT~

 

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