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
0 Replies
1105 Views
Last post March 24, 2013, 0121 UTC
by William Hassig
0 Replies
1171 Views
Last post March 24, 2013, 0119 UTC
by William Hassig
0 Replies
1143 Views
Last post March 24, 2013, 0114 UTC
by William Hassig
0 Replies
1049 Views
Last post March 24, 2013, 0112 UTC
by William Hassig
0 Replies
640 Views
Last post October 30, 2021, 0407 UTC
by Big Badfish Al
0 Replies
911 Views
Last post June 16, 2013, 2035 UTC
by ChrisSmolinski
0 Replies
696 Views
Last post January 14, 2017, 0110 UTC
by MDK2
0 Replies
612 Views
Last post October 10, 2021, 1519 UTC
by Big Badfish Al
0 Replies
1132 Views
Last post April 20, 2021, 0115 UTC
by Big Badfish Al
0 Replies
753 Views
Last post March 23, 2013, 1937 UTC
by ChrisSmolinski
0 Replies
748 Views
Last post April 19, 2021, 0204 UTC
by bfrederi
0 Replies
519 Views
Last post April 18, 2021, 1931 UTC
by myteaquinn
0 Replies
802 Views
Last post March 23, 2013, 1650 UTC
by jFarley
0 Replies
739 Views
Last post December 06, 2020, 0258 UTC
by myteaquinn
0 Replies
769 Views
Last post December 28, 2014, 1723 UTC
by ChrisSmolinski
0 Replies
744 Views
Last post July 18, 2013, 2019 UTC
by ChrisSmolinski
0 Replies
709 Views
Last post February 05, 2017, 2028 UTC
by ChrisSmolinski
0 Replies
440 Views
Last post December 28, 2020, 2341 UTC
by ChrisSmolinski
0 Replies
569 Views
Last post March 22, 2022, 2340 UTC
by ~SIGINT~
0 Replies
1621 Views
Last post March 04, 2014, 1453 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 House Flag
by MitchellTimeDesigns