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
8 Replies
2965 Views
Last post December 09, 2014, 0010 UTC
by Hornet0123
8 Replies
1196 Views
Last post September 05, 2021, 2328 UTC
by Molvania Poacher
15 Replies
2850 Views
Last post March 27, 2021, 2312 UTC
by ~SIGINT~
4 Replies
1254 Views
Last post June 01, 2022, 0301 UTC
by Shortwave_Listener
6 Replies
1217 Views
Last post August 03, 2022, 1127 UTC
by Skipmuck
3 Replies
837 Views
Last post May 31, 2022, 0318 UTC
by JohnJohnyson
0 Replies
464 Views
Last post May 21, 2024, 1205 UTC
by ChrisSmolinski
12 Replies
1795 Views
Last post May 23, 2024, 2057 UTC
by TheHappyWanker
13 Replies
2050 Views
Last post October 15, 2019, 1726 UTC
by Josh
1 Replies
2005 Views
Last post March 23, 2012, 0251 UTC
by Rafman
9 Replies
1337 Views
Last post April 27, 2022, 2242 UTC
by refmo
6 Replies
2354 Views
Last post February 14, 2013, 1857 UTC
by olddxer
6 Replies
1923 Views
Last post July 04, 2016, 1549 UTC
by ChrisSmolinski
0 Replies
2072 Views
Last post June 07, 2008, 0808 UTC
by Zoidberg
6 Replies
2393 Views
Last post July 31, 2015, 0204 UTC
by Zoidberg
7 Replies
2204 Views
Last post November 20, 2016, 1827 UTC
by DimBulb
6 Replies
1224 Views
Last post September 16, 2021, 0043 UTC
by myteaquinn
4 Replies
1141 Views
Last post October 01, 2019, 1301 UTC
by ChrisSmolinski
11 Replies
1224 Views
Last post June 22, 2023, 2018 UTC
by Grumpy Grandpa
5 Replies
2286 Views
Last post August 24, 2017, 1315 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 T-Shirt
by MitchellTimeDesigns