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
70 Views
Last post August 10, 2025, 1857 UTC
by ThaDood
0 Replies
231 Views
Last post August 05, 2025, 1612 UTC
by ThaDood
0 Replies
242 Views
Last post July 31, 2025, 1714 UTC
by ThaDood
0 Replies
258 Views
Last post July 27, 2025, 1840 UTC
by ThaDood
1 Replies
364 Views
Last post July 29, 2025, 1535 UTC
by NQC
0 Replies
441 Views
Last post July 23, 2025, 1704 UTC
by ThaDood
0 Replies
463 Views
Last post July 24, 2025, 1815 UTC
by ThaDood
0 Replies
496 Views
Last post July 23, 2025, 1721 UTC
by ThaDood
1 Replies
571 Views
Last post July 26, 2025, 1030 UTC
by NJQA
0 Replies
800 Views
Last post June 15, 2016, 0413 UTC
by Fansome
0 Replies
804 Views
Last post January 20, 2018, 2058 UTC
by Fansome
0 Replies
823 Views
Last post March 13, 2019, 0616 UTC
by Fansome
0 Replies
828 Views
Last post October 13, 2016, 1217 UTC
by ChrisSmolinski
0 Replies
829 Views
Last post April 09, 2023, 1753 UTC
by ThaDood
0 Replies
841 Views
Last post April 07, 2016, 0107 UTC
by Fansome
1 Replies
847 Views
Last post June 04, 2019, 1656 UTC
by Josh
0 Replies
848 Views
Last post August 07, 2016, 1558 UTC
by ChrisSmolinski
0 Replies
851 Views
Last post July 05, 2023, 1702 UTC
by ThaDood
Propagation

Started by Fansome

0 Replies
861 Views
Last post April 16, 2016, 0434 UTC
by Fansome
0 Replies
861 Views
Last post October 10, 2017, 1659 UTC
by Ct Yankee

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns