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
1987 Views
Last post November 26, 2016, 0505 UTC
by Token
1 Replies
1992 Views
Last post December 22, 2016, 1315 UTC
by Token
0 Replies
1997 Views
Last post March 07, 2016, 0107 UTC
by Token
5 Replies
2007 Views
Last post January 28, 2023, 2327 UTC
by Pigmeat
0 Replies
2008 Views
Last post April 02, 2014, 0334 UTC
by Chanter
3 Replies
2008 Views
Last post January 06, 2016, 0105 UTC
by Yankee Charlie
1 Replies
2013 Views
Last post December 06, 2014, 2155 UTC
by refmo
0 Replies
2014 Views
Last post March 11, 2015, 1909 UTC
by ChrisSmolinski
1 Replies
2017 Views
Last post January 07, 2016, 1151 UTC
by ChrisSmolinski
0 Replies
2019 Views
Last post January 01, 2014, 0431 UTC
by AbnersFarm
0 Replies
2021 Views
Last post May 13, 2017, 2041 UTC
by Skipmuck
1 Replies
2025 Views
Last post July 04, 2018, 1624 UTC
by Strange Beacons
2 Replies
2025 Views
Last post September 14, 2017, 1622 UTC
by Josh
1 Replies
2026 Views
Last post November 02, 2014, 0015 UTC
by rdla4
2 Replies
2027 Views
Last post June 15, 2015, 2355 UTC
by Oliver
5 Replies
2028 Views
Last post October 08, 2023, 2040 UTC
by TRI International
MomComms

Started by chanito

4 Replies
2028 Views
Last post April 09, 2020, 2257 UTC
by chanito
3 Replies
2030 Views
Last post March 29, 2014, 2224 UTC
by DX_Pathfinder
0 Replies
2032 Views
Last post December 21, 2024, 2012 UTC
by Gr0undPlan3
3 Replies
2034 Views
Last post February 22, 2017, 1751 UTC
by Josh

 

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