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
913 Views
Last post October 21, 2023, 1242 UTC
by kris
0 Replies
739 Views
Last post March 22, 2022, 1539 UTC
by kris
1 Replies
914 Views
Last post March 10, 2022, 1405 UTC
by NQC
0 Replies
736 Views
Last post April 12, 2022, 2238 UTC
by kris
1 Replies
1005 Views
Last post June 19, 2021, 1908 UTC
by kris
0 Replies
848 Views
Last post February 21, 2022, 1855 UTC
by kris
0 Replies
699 Views
Last post January 31, 2024, 1737 UTC
by kris
0 Replies
1567 Views
Last post March 19, 2025, 1912 UTC
by kris
0 Replies
950 Views
Last post May 29, 2022, 2139 UTC
by kris
0 Replies
790 Views
Last post December 21, 2022, 0115 UTC
by kris
0 Replies
743 Views
Last post September 21, 2022, 1525 UTC
by kris
1 Replies
1067 Views
Last post March 07, 2024, 1530 UTC
by UA9278SWL
0 Replies
967 Views
Last post May 12, 2024, 2235 UTC
by kris
0 Replies
661 Views
Last post January 05, 2024, 1416 UTC
by kris
0 Replies
1019 Views
Last post June 02, 2020, 2033 UTC
by kris
0 Replies
925 Views
Last post December 19, 2019, 0036 UTC
by kris
1 Replies
2653 Views
Last post October 10, 2019, 1936 UTC
by R4002
1 Replies
971 Views
Last post December 04, 2022, 2023 UTC
by Pigmeat
12 Replies
2981 Views
Last post February 16, 2021, 1834 UTC
by ChrisSmolinski
0 Replies
1401 Views
Last post February 24, 2013, 2320 UTC
by rdla4

 

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