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
416 Views
Last post April 25, 2022, 1106 UTC
by Ct Yankee
0 Replies
416 Views
Last post September 28, 2024, 0456 UTC
by Paul B. Walker, Jr.
0 Replies
416 Views
Last post May 23, 2025, 0959 UTC
by TRI International
0 Replies
415 Views
Last post November 04, 2023, 1007 UTC
by Ray Lalleu
0 Replies
415 Views
Last post July 01, 2022, 1006 UTC
by TRI International
0 Replies
415 Views
Last post October 23, 2023, 1212 UTC
by Paul65
1 Replies
415 Views
Last post December 19, 2024, 0149 UTC
by East Troy Don
1 Replies
415 Views
Last post November 11, 2024, 1630 UTC
by flexoman61
0 Replies
415 Views
Last post July 04, 2025, 0014 UTC
by kris
0 Replies
415 Views
Last post September 05, 2021, 2332 UTC
by kris
0 Replies
414 Views
Last post January 03, 2024, 0741 UTC
by kris
0 Replies
414 Views
Last post November 03, 2023, 1010 UTC
by TRI International
0 Replies
414 Views
Last post January 15, 2021, 1324 UTC
by kris
0 Replies
414 Views
Last post October 07, 2022, 1316 UTC
by East Troy Don
0 Replies
414 Views
Last post January 06, 2025, 1442 UTC
by Ct Yankee
1 Replies
414 Views
Last post November 12, 2022, 2200 UTC
by Ct Yankee
0 Replies
414 Views
Last post July 12, 2022, 0039 UTC
by East Troy Don
0 Replies
414 Views
Last post October 11, 2020, 2037 UTC
by ddasty
0 Replies
413 Views
Last post November 08, 2023, 1033 UTC
by TRI International
0 Replies
413 Views
Last post September 28, 2024, 2304 UTC
by Weatherman

 

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