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
2237 Views
Last post February 02, 2020, 2147 UTC
by ChrisSmolinski
0 Replies
2885 Views
Last post March 31, 2019, 2120 UTC
by Skipmuck
0 Replies
2842 Views
Last post March 31, 2019, 1951 UTC
by Skipmuck
0 Replies
2929 Views
Last post March 31, 2019, 1511 UTC
by Skipmuck
0 Replies
1203 Views
Last post July 29, 2023, 0318 UTC
by ~SIGINT~
0 Replies
3010 Views
Last post April 03, 2019, 1014 UTC
by ChrisSmolinski
0 Replies
1849 Views
Last post April 06, 2022, 0003 UTC
by fpeconsultant
0 Replies
2179 Views
Last post April 21, 2019, 0629 UTC
by KaySeeks
0 Replies
2439 Views
Last post April 21, 2019, 0620 UTC
by KaySeeks
0 Replies
2580 Views
Last post April 21, 2019, 0614 UTC
by KaySeeks
0 Replies
2592 Views
Last post April 19, 2019, 2207 UTC
by Josh
0 Replies
1099 Views
Last post October 05, 2023, 0129 UTC
by ~SIGINT~
0 Replies
2842 Views
Last post April 14, 2019, 1133 UTC
by Skipmuck
0 Replies
2737 Views
Last post October 21, 2023, 1837 UTC
by ~SIGINT~
0 Replies
2847 Views
Last post April 08, 2019, 1744 UTC
by Skipmuck
0 Replies
1430 Views
Last post June 15, 2023, 1328 UTC
by ~SIGINT~
0 Replies
1428 Views
Last post September 03, 2022, 1219 UTC
by ~SIGINT~
0 Replies
1627 Views
Last post February 18, 2022, 1726 UTC
by Erik Mattson
0 Replies
1618 Views
Last post April 09, 2022, 1552 UTC
by ChrisSmolinski
0 Replies
2965 Views
Last post April 03, 2019, 1126 UTC
by ChrisSmolinski

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns