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
5 Replies
933 Views
Last post December 12, 2022, 2203 UTC
by Pigmeat
2 Replies
1060 Views
Last post January 16, 2022, 2007 UTC
by Ron - Calif.
0 Replies
354 Views
Last post January 27, 2023, 1118 UTC
by radiorandy
0 Replies
339 Views
Last post June 02, 2024, 0113 UTC
by N2MLP
0 Replies
746 Views
Last post August 16, 2017, 1109 UTC
by Daniel Wyllyans
1 Replies
1261 Views
Last post July 17, 2025, 2012 UTC
by East Troy Don
0 Replies
298 Views
Last post June 22, 2025, 1432 UTC
by TRI International
0 Replies
379 Views
Last post October 11, 2023, 2210 UTC
by TRI International
0 Replies
505 Views
Last post October 17, 2023, 2116 UTC
by TRI International
0 Replies
503 Views
Last post September 24, 2024, 0011 UTC
by Weatherman
0 Replies
488 Views
Last post April 21, 2023, 2232 UTC
by East Troy Don
0 Replies
334 Views
Last post November 18, 2023, 1914 UTC
by TRI International
0 Replies
1018 Views
Last post March 12, 2025, 2329 UTC
by Weatherman
0 Replies
474 Views
Last post August 08, 2021, 1953 UTC
by Ct Yankee
0 Replies
356 Views
Last post November 28, 2024, 2201 UTC
by East Troy Don
0 Replies
337 Views
Last post July 01, 2025, 1911 UTC
by Ct Yankee
3 Replies
1028 Views
Last post October 29, 2017, 2041 UTC
by MDK2
0 Replies
517 Views
Last post May 13, 2025, 1830 UTC
by Ct Yankee
0 Replies
327 Views
Last post April 06, 2023, 1458 UTC
by Ct Yankee
0 Replies
493 Views
Last post April 01, 2022, 1507 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