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
1 Replies
988 Views
Last post October 28, 2013, 2354 UTC
by jFarley
0 Replies
803 Views
Last post July 05, 2016, 1304 UTC
by ChrisSmolinski
2 Replies
1022 Views
Last post February 02, 2013, 1321 UTC
by refmo
0 Replies
823 Views
Last post August 20, 2017, 1719 UTC
by ChrisSmolinski
0 Replies
547 Views
Last post April 18, 2020, 1637 UTC
by ChrisSmolinski
4 Replies
1224 Views
Last post December 13, 2016, 2031 UTC
by PirateSWL
1 Replies
883 Views
Last post February 24, 2019, 2147 UTC
by refmo
1 Replies
716 Views
Last post May 05, 2018, 0006 UTC
by PghScanner
0 Replies
771 Views
Last post March 01, 2015, 1605 UTC
by ChrisSmolinski
4 Replies
956 Views
Last post August 26, 2016, 2207 UTC
by JoeFLIPS
7 Replies
2105 Views
Last post December 13, 2015, 0014 UTC
by slowtrain
0 Replies
589 Views
Last post January 13, 2018, 1917 UTC
by ChrisSmolinski
0 Replies
826 Views
Last post November 28, 2013, 1617 UTC
by ChrisSmolinski
0 Replies
726 Views
Last post September 08, 2015, 1232 UTC
by ChrisSmolinski
6 Replies
869 Views
Last post November 13, 2024, 2206 UTC
by Radiouser
10 Replies
2612 Views
Last post October 20, 2014, 0032 UTC
by RCCI
0 Replies
605 Views
Last post August 07, 2019, 1140 UTC
by ChrisSmolinski
1 Replies
627 Views
Last post November 16, 2021, 2151 UTC
by Zane
2 Replies
1117 Views
Last post September 02, 2013, 2317 UTC
by hsmith77
2 Replies
888 Views
Last post June 04, 2025, 2044 UTC
by Radiouser

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns