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
17 Replies
1918 Views
Last post September 16, 2022, 0243 UTC
by Chanter
17 Replies
4691 Views
Last post September 26, 2014, 0952 UTC
by glimmer twin
17 Replies
2047 Views
Last post September 18, 2021, 0044 UTC
by Sparkyzilla85
17 Replies
1322 Views
Last post September 17, 2022, 0303 UTC
by Pigmeat
17 Replies
3908 Views
Last post January 13, 2019, 0305 UTC
by myteaquinn
17 Replies
1240 Views
Last post June 04, 2023, 0331 UTC
by canswl
17 Replies
4152 Views
Last post September 02, 2017, 1310 UTC
by ChrisSmolinski
17 Replies
3166 Views
Last post June 17, 2018, 1501 UTC
by Kage
17 Replies
3887 Views
Last post June 11, 2017, 1446 UTC
by jFarley
17 Replies
1654 Views
Last post January 29, 2023, 0234 UTC
by blw
17 Replies
2723 Views
Last post November 11, 2018, 2307 UTC
by blw
17 Replies
1488 Views
Last post June 30, 2024, 1506 UTC
by ChrisSmolinski
17 Replies
3977 Views
Last post November 18, 2018, 2311 UTC
by Treehouse SWL
17 Replies
1603 Views
Last post August 27, 2022, 0246 UTC
by BallSmacker
17 Replies
4634 Views
Last post July 30, 2017, 1641 UTC
by jFarley
17 Replies
5098 Views
Last post October 30, 2015, 0137 UTC
by Mentholyptus
17 Replies
3344 Views
Last post June 12, 2016, 1526 UTC
by jFarley
17 Replies
3416 Views
Last post June 05, 2016, 1829 UTC
by hsmith77
17 Replies
5545 Views
Last post August 03, 2017, 1558 UTC
by ChrisSmolinski
17 Replies
1556 Views
Last post August 28, 2022, 0136 UTC
by Pigmeat

 

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