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
713 Views
Last post October 16, 2017, 2137 UTC
by ChrisSmolinski
0 Replies
1372 Views
Last post July 18, 2016, 0247 UTC
by shadypyro
0 Replies
415 Views
Last post January 14, 2024, 1222 UTC
by Paul65
1 Replies
611 Views
Last post December 25, 2024, 0954 UTC
by prldx
0 Replies
711 Views
Last post October 15, 2020, 2243 UTC
by Bill F
1 Replies
653 Views
Last post September 13, 2025, 0110 UTC
by shadypyro
0 Replies
436 Views
Last post November 13, 2023, 0734 UTC
by kris
0 Replies
424 Views
Last post November 15, 2023, 0720 UTC
by kris
0 Replies
526 Views
Last post January 03, 2024, 0631 UTC
by kris
0 Replies
851 Views
Last post June 02, 2019, 0310 UTC
by Davep
1 Replies
948 Views
Last post December 08, 2019, 0504 UTC
by dragund
0 Replies
406 Views
Last post November 20, 2023, 1246 UTC
by Paul65
0 Replies
405 Views
Last post November 08, 2023, 1215 UTC
by Paul65
1 Replies
924 Views
Last post March 13, 2024, 2219 UTC
by Paul B. Walker, Jr.
3 Replies
786 Views
Last post October 02, 2022, 1356 UTC
by Pigmeat
0 Replies
446 Views
Last post December 09, 2022, 1642 UTC
by Ct Yankee
0 Replies
176 Views
Last post November 20, 2025, 1753 UTC
by Ct Yankee
3 Replies
720 Views
Last post September 19, 2025, 0141 UTC
by shadypyro
1 Replies
618 Views
Last post July 02, 2025, 1900 UTC
by East Troy Don
0 Replies
892 Views
Last post May 08, 2016, 1321 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