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
24 Replies
8764 Views
Last post June 04, 2014, 1402 UTC
by ChrisSmolinski
10 Replies
3703 Views
Last post April 25, 2015, 1216 UTC
by ByteBORG
5 Replies
564 Views
Last post February 02, 2025, 1824 UTC
by Chuck54
0 Replies
1187 Views
Last post April 13, 2010, 2150 UTC
by textim
WFUQ 6924lsb

Started by Fansome

0 Replies
1123 Views
Last post March 11, 2010, 0100 UTC
by Fansome
WJAK ?

Started by radioreddz

1 Replies
1436 Views
Last post October 23, 2010, 0219 UTC
by Zoidberg
13 Replies
3559 Views
Last post May 02, 2016, 1741 UTC
by ByteBORG
2 Replies
824 Views
Last post November 13, 2020, 2133 UTC
by dxace1
1 Replies
656 Views
Last post June 03, 2021, 0115 UTC
by JustGreg
14 Replies
1817 Views
Last post March 07, 2021, 2220 UTC
by Ray Lalleu
3 Replies
582 Views
Last post February 12, 2023, 1909 UTC
by Shortwave_Listener
4 Replies
1624 Views
Last post March 29, 2013, 2015 UTC
by jFarley
3 Replies
741 Views
Last post March 06, 2020, 2131 UTC
by Bali_Frank
1 Replies
854 Views
Last post May 24, 2019, 0957 UTC
by ChrisSmolinski
2 Replies
1118 Views
Last post January 22, 2018, 1915 UTC
by ChrisSmolinski
3 Replies
692 Views
Last post September 16, 2024, 1548 UTC
by fpeconsultant
8 Replies
2786 Views
Last post December 09, 2014, 0010 UTC
by Hornet0123
8 Replies
1054 Views
Last post September 05, 2021, 2328 UTC
by Molvania Poacher
15 Replies
2562 Views
Last post March 27, 2021, 2312 UTC
by ~SIGINT~
4 Replies
1115 Views
Last post June 01, 2022, 0301 UTC
by Shortwave_Listener

 

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