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
2 Replies
577 Views
Last post August 23, 2024, 2302 UTC
by N2MLP
4 Replies
374 Views
Last post March 02, 2025, 1522 UTC
by N2MLP
2 Replies
580 Views
Last post June 02, 2024, 1241 UTC
by ChrisSmolinski
3 Replies
713 Views
Last post July 01, 2024, 0909 UTC
by N2MLP
4 Replies
644 Views
Last post September 01, 2024, 1227 UTC
by N2MLP
0 Replies
361 Views
Last post May 10, 2024, 1443 UTC
by ChrisSmolinski
5 Replies
529 Views
Last post March 16, 2025, 2036 UTC
by Tony_Pavick
2 Replies
401 Views
Last post December 01, 2024, 0220 UTC
by Chuck54
4 Replies
520 Views
Last post January 12, 2025, 0041 UTC
by TrueNorthSWL
1 Replies
249 Views
Last post April 09, 2025, 1459 UTC
by Tony_Pavick
5 Replies
504 Views
Last post December 14, 2024, 0031 UTC
by RobRich
7 Replies
569 Views
Last post November 17, 2024, 0101 UTC
by J. Carlos Pérez Montero
3 Replies
396 Views
Last post April 09, 2025, 1502 UTC
by Tony_Pavick
3 Replies
2491 Views
Last post February 18, 2024, 0313 UTC
by MDK2
12 Replies
879 Views
Last post October 31, 2024, 1111 UTC
by ChrisSmolinski
3 Replies
449 Views
Last post August 14, 2022, 1135 UTC
by Ct Yankee
10 Replies
1060 Views
Last post July 08, 2022, 2313 UTC
by Bali_Frank
15 Replies
1617 Views
Last post July 19, 2024, 0057 UTC
by William Hassig
7 Replies
1187 Views
Last post July 02, 2019, 1227 UTC
by ChrisSmolinski
5 Replies
2933 Views
Last post September 01, 2013, 0344 UTC
by Jolly Roger

 

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