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
894 Views
Last post April 25, 2015, 1519 UTC
by ChrisSmolinski
1 Replies
894 Views
Last post March 30, 2019, 2246 UTC
by Ray Lalleu
1 Replies
894 Views
Last post September 29, 2019, 1249 UTC
by refmo
1 Replies
895 Views
Last post March 02, 2018, 2259 UTC
by R4002
3 Replies
895 Views
Last post September 28, 2025, 1332 UTC
by Radiouser
0 Replies
895 Views
Last post August 02, 2020, 2331 UTC
by Chuck54
3 Replies
895 Views
Last post August 15, 2024, 2052 UTC
by N2MLP
4 Replies
895 Views
Last post August 08, 2021, 0204 UTC
by ~SIGINT~
3 Replies
895 Views
Last post September 28, 2024, 0227 UTC
by SandyLizardman
0 Replies
895 Views
Last post December 26, 2014, 1619 UTC
by ChrisSmolinski
5 Replies
895 Views
Last post July 08, 2025, 1759 UTC
by Radiouser
3 Replies
895 Views
Last post May 31, 2021, 2005 UTC
by raypfaff
3 Replies
895 Views
Last post June 22, 2018, 2208 UTC
by Skipmuck
0 Replies
895 Views
Last post March 09, 2013, 1756 UTC
by jFarley
1 Replies
895 Views
Last post May 19, 2021, 1030 UTC
by ChrisSmolinski
0 Replies
895 Views
Last post March 26, 2013, 1243 UTC
by ChrisSmolinski
4 Replies
895 Views
Last post November 20, 2020, 2100 UTC
by Ct Yankee
12 Replies
895 Views
Last post September 29, 2025, 1205 UTC
by ChrisSmolinski
0 Replies
895 Views
Last post July 16, 2019, 1833 UTC
by R4002
4 Replies
895 Views
Last post November 27, 2024, 1445 UTC
by Sealord

 

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