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
13 Replies
1424 Views
Last post August 30, 2024, 2305 UTC
by William Hassig
10 Replies
1424 Views
Last post July 05, 2024, 0227 UTC
by Traveling Wave
11 Replies
1424 Views
Last post December 10, 2023, 0158 UTC
by William Hassig
10 Replies
1424 Views
Last post July 14, 2022, 0129 UTC
by ~SIGINT~
10 Replies
1424 Views
Last post August 03, 2021, 0138 UTC
by MrMomB
1 Replies
1424 Views
Last post February 14, 2015, 0137 UTC
by refmo
3 Replies
1424 Views
Last post September 09, 2013, 0215 UTC
by jFarley
1 Replies
1424 Views
Last post March 12, 2013, 1211 UTC
by ChrisSmolinski
1 Replies
1424 Views
Last post December 11, 2010, 0331 UTC
by textim
0 Replies
1424 Views
Last post November 07, 2010, 1731 UTC
by Beerus Maximus
1 Replies
1424 Views
Last post July 04, 2010, 0624 UTC
by Zoidberg
1 Replies
1424 Views
Last post November 26, 2009, 0443 UTC
by LanceLovejoy
1 Replies
1424 Views
Last post September 02, 2009, 0719 UTC
by outhouse radio
0 Replies
1424 Views
Last post April 01, 2009, 1026 UTC
by Zoidberg
17 Replies
1425 Views
Last post May 10, 2025, 0230 UTC
by Markokpik
5 Replies
1425 Views
Last post September 10, 2016, 1449 UTC
by ChrisSmolinski
1 Replies
1425 Views
Last post June 22, 2016, 1750 UTC
by jFarley
4 Replies
1425 Views
Last post August 22, 2013, 0129 UTC
by Pigmeat
2 Replies
1425 Views
Last post April 07, 2013, 1305 UTC
by jFarley
4 Replies
1425 Views
Last post December 09, 2012, 1446 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 Garden Flag
by MitchellTimeDesigns