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
926 Views
Last post February 03, 2022, 1219 UTC
by ChrisSmolinski
0 Replies
732 Views
Last post February 16, 2021, 0006 UTC
by ChrisSmolinski
0 Replies
781 Views
Last post February 16, 2021, 0005 UTC
by ChrisSmolinski
0 Replies
1807 Views
Last post December 23, 2016, 2340 UTC
by ChrisSmolinski
0 Replies
495 Views
Last post November 25, 2023, 1308 UTC
by ChrisSmolinski
0 Replies
1003 Views
Last post February 06, 2022, 1500 UTC
by ChrisSmolinski
0 Replies
510 Views
Last post February 05, 2024, 1106 UTC
by ChrisSmolinski
0 Replies
510 Views
Last post December 20, 2023, 0657 UTC
by Shortwave_Listener
0 Replies
546 Views
Last post July 15, 2023, 1609 UTC
by Big Badfish Al
0 Replies
1395 Views
Last post December 30, 2017, 0137 UTC
by ThaDood
5 Replies
1827 Views
Last post January 28, 2019, 0000 UTC
by Pigmeat
2 Replies
2424 Views
Last post November 20, 2016, 2326 UTC
by Skipmuck
0 Replies
802 Views
Last post January 04, 2020, 1812 UTC
by ChrisSmolinski
8 Replies
6649 Views
Last post December 26, 2013, 0610 UTC
by redhat
2 Replies
2254 Views
Last post October 28, 2012, 1706 UTC
by BDM
7 Replies
2545 Views
Last post December 30, 2013, 0339 UTC
by dsnider
1 Replies
1566 Views
Last post December 23, 2013, 0430 UTC
by STF_RI
8 Replies
3285 Views
Last post December 24, 2013, 0140 UTC
by Evil Elvis
2 Replies
2578 Views
Last post December 24, 2013, 1955 UTC
by BDM
6 Replies
2855 Views
Last post December 27, 2013, 0254 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 T-Shirt
by MitchellTimeDesigns