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
6 Replies
843 Views
Last post August 19, 2023, 1459 UTC
by Big Badfish Al
0 Replies
252 Views
Last post August 19, 2023, 1357 UTC
by ChrisSmolinski
6 Replies
531 Views
Last post August 19, 2023, 1347 UTC
by ChrisSmolinski
16 Replies
1202 Views
Last post August 19, 2023, 1234 UTC
by Ron Hunsicker
4 Replies
573 Views
Last post August 19, 2023, 0503 UTC
by shadypyro
0 Replies
251 Views
Last post August 19, 2023, 0334 UTC
by N2MLP
13 Replies
1155 Views
Last post August 19, 2023, 0217 UTC
by Zoidberg
6 Replies
650 Views
Last post August 19, 2023, 0209 UTC
by N2MLP
15 Replies
1296 Views
Last post August 19, 2023, 0202 UTC
by Zoidberg
8 Replies
840 Views
Last post August 18, 2023, 1935 UTC
by Ron Hunsicker
1 Replies
308 Views
Last post August 18, 2023, 1746 UTC
by Ct Yankee
2 Replies
438 Views
Last post August 18, 2023, 1515 UTC
by Ron Hunsicker
6 Replies
590 Views
Last post August 18, 2023, 0304 UTC
by Grumpy Grandpa
8 Replies
599 Views
Last post August 18, 2023, 0146 UTC
by Markokpik
7 Replies
842 Views
Last post August 17, 2023, 2025 UTC
by Ron Hunsicker
3 Replies
444 Views
Last post August 17, 2023, 2022 UTC
by Ron Hunsicker
6 Replies
582 Views
Last post August 17, 2023, 2018 UTC
by Ron Hunsicker
5 Replies
444 Views
Last post August 17, 2023, 2015 UTC
by Ron Hunsicker
9 Replies
759 Views
Last post August 17, 2023, 2012 UTC
by Ron Hunsicker
16 Replies
1232 Views
Last post August 17, 2023, 2010 UTC
by Ron Hunsicker

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns