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
1 Replies
993 Views
Last post November 10, 2016, 1920 UTC
by ChrisSmolinski
11 Replies
1945 Views
Last post September 27, 2021, 1826 UTC
by M R I
9 Replies
2945 Views
Last post November 24, 2016, 2335 UTC
by ChrisSmolinski
20 Replies
3727 Views
Last post March 06, 2016, 0051 UTC
by Rafman
11 Replies
2364 Views
Last post December 10, 2022, 1810 UTC
by jdstephens
12 Replies
622 Views
Last post November 01, 2025, 1524 UTC
by N2MLP
8 Replies
1942 Views
Last post July 23, 2017, 0020 UTC
by Markokpik
1 Replies
175 Views
Last post October 26, 2025, 1543 UTC
by ChrisSmolinski
8 Replies
2296 Views
Last post January 18, 2016, 1907 UTC
by Skipmuck
2 Replies
1391 Views
Last post February 08, 2016, 2040 UTC
by Rafman
0 Replies
863 Views
Last post June 09, 2018, 1312 UTC
by RainBrandy
5 Replies
3097 Views
Last post January 18, 2017, 1732 UTC
by PirateSWL
7 Replies
352 Views
Last post October 13, 2025, 1454 UTC
by N2MLP
9 Replies
2409 Views
Last post October 23, 2016, 2116 UTC
by Rafman
1 Replies
1192 Views
Last post August 20, 2018, 1255 UTC
by ChrisSmolinski
4 Replies
1395 Views
Last post September 29, 2019, 0006 UTC
by autovon
8 Replies
1896 Views
Last post September 11, 2016, 0032 UTC
by Davep
7 Replies
2475 Views
Last post April 25, 2016, 1221 UTC
by ChrisSmolinski
6 Replies
1786 Views
Last post March 12, 2016, 2310 UTC
by flexoman61
11 Replies
3402 Views
Last post October 17, 2016, 0046 UTC
by wyzguy

 

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