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
7 Replies
1699 Views
Last post June 27, 2021, 1442 UTC
by NQC
7 Replies
1863 Views
Last post February 24, 2014, 0034 UTC
by jFarley
7 Replies
2329 Views
Last post July 23, 2017, 1809 UTC
by ChrisSmolinski
7 Replies
1441 Views
Last post February 06, 2022, 1756 UTC
by radiorandy
7 Replies
2282 Views
Last post October 23, 2019, 1812 UTC
by Dude111
8 Replies
2142 Views
Last post December 22, 2013, 0128 UTC
by refmo
8 Replies
1864 Views
Last post October 19, 2014, 0249 UTC
by BDM
8 Replies
2893 Views
Last post December 24, 2013, 0140 UTC
by Evil Elvis
8 Replies
6204 Views
Last post December 26, 2013, 0610 UTC
by redhat
8 Replies
2525 Views
Last post November 24, 2012, 0141 UTC
by Kilokat7
8 Replies
1115 Views
Last post December 25, 2022, 2205 UTC
by ChrisSmolinski
9 Replies
3464 Views
Last post July 29, 2017, 0006 UTC
by ChrisSmolinski
9 Replies
2593 Views
Last post November 08, 2014, 2336 UTC
by Skipmuck
9 Replies
3503 Views
Last post June 26, 2019, 1653 UTC
by ChrisSmolinski
9 Replies
1542 Views
Last post December 30, 2022, 2153 UTC
by Pigmeat
9 Replies
3344 Views
Last post January 06, 2013, 2211 UTC
by mr. mike
9 Replies
5709 Views
Last post October 13, 2012, 1747 UTC
by jFarley
9 Replies
2164 Views
Last post December 02, 2013, 1330 UTC
by atrainradio
10 Replies
3421 Views
Last post September 27, 2015, 2320 UTC
by Kilokat7
10 Replies
3437 Views
Last post December 29, 2013, 0406 UTC
by BDM

 

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