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
635 Views
Last post August 06, 2020, 0122 UTC
by Bali_Frank
0 Replies
562 Views
Last post January 30, 2020, 1424 UTC
by ChrisSmolinski
0 Replies
753 Views
Last post September 11, 2016, 1653 UTC
by ChrisSmolinski
UNID 6924.7 AM 0049 10/17/15

Started by JoeFLIPS

3 Replies
1037 Views
Last post October 17, 2015, 0100 UTC
by Skipmuck
3 Replies
1400 Views
Last post February 22, 2013, 0039 UTC
by hsmith77
1 Replies
962 Views
Last post March 01, 2015, 1700 UTC
by ChrisSmolinski
16 Replies
1998 Views
Last post September 12, 2023, 0309 UTC
by dxace1
UNID 6924.6 USB 1954 UTC 2/4/16

Started by JoeFLIPS

4 Replies
1659 Views
Last post February 04, 2016, 2307 UTC
by R4002
2 Replies
794 Views
Last post October 04, 2019, 1656 UTC
by ChrisSmolinski
0 Replies
788 Views
Last post May 10, 2013, 1223 UTC
by ChrisSmolinski
0 Replies
778 Views
Last post December 28, 2014, 1824 UTC
by ChrisSmolinski
0 Replies
932 Views
Last post November 01, 2014, 0059 UTC
by ChrisSmolinski
3 Replies
2134 Views
Last post May 29, 2016, 1551 UTC
by ChrisSmolinski
2 Replies
1054 Views
Last post June 16, 2013, 0015 UTC
by ChrisSmolinski
2 Replies
1201 Views
Last post June 10, 2012, 1359 UTC
by ChrisSmolinski
0 Replies
666 Views
Last post January 29, 2020, 0118 UTC
by Radio Star
0 Replies
2000 Views
Last post October 07, 2008, 0722 UTC
by Zoidberg
0 Replies
1024 Views
Last post December 12, 2015, 1755 UTC
by ChrisSmolinski
10 Replies
2554 Views
Last post November 28, 2015, 0215 UTC
by MrMomB
0 Replies
1052 Views
Last post December 12, 2015, 0327 UTC
by oly1959

 

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