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
4 Replies
7125 Views
Last post April 03, 2013, 0047 UTC
by desmoface
1 Replies
2637 Views
Last post January 19, 2020, 2251 UTC
by Fried Chickin'
0 Replies
1871 Views
Last post October 23, 2020, 1432 UTC
by ChrisSmolinski
0 Replies
2074 Views
Last post January 10, 2018, 2018 UTC
by ChrisSmolinski
0 Replies
3152 Views
Last post January 27, 2019, 1953 UTC
by ChrisSmolinski
0 Replies
2146 Views
Last post October 03, 2020, 1130 UTC
by ChrisSmolinski
0 Replies
4263 Views
Last post January 22, 2019, 1638 UTC
by ChrisSmolinski
3 Replies
3251 Views
Last post June 14, 2016, 1236 UTC
by ChrisSmolinski
7 Replies
3126 Views
Last post February 01, 2024, 1814 UTC
by MDK2
6 Replies
13889 Views
Last post December 13, 2013, 1726 UTC
by ChrisSmolinski
2 Replies
3426 Views
Last post December 03, 2013, 2339 UTC
by ChrisSmolinski
1 Replies
3805 Views
Last post February 26, 2013, 0053 UTC
by Fansome
SDR++

Started by ChrisSmolinski

4 Replies
3206 Views
Last post January 31, 2024, 1837 UTC
by cyphermatic
0 Replies
4838 Views
Last post February 10, 2013, 2006 UTC
by ChrisSmolinski
2 Replies
3180 Views
Last post August 27, 2020, 2002 UTC
by scottgs
9 Replies
5757 Views
Last post January 04, 2024, 2043 UTC
by Treehouse SWL
5 Replies
6119 Views
Last post October 25, 2019, 1541 UTC
by MDK2
4 Replies
227472 Views
Last post May 17, 2016, 0027 UTC
by ChrisSmolinski
3 Replies
6770 Views
Last post November 14, 2013, 2005 UTC
by K5KNT
6 Replies
15109 Views
Last post January 29, 2013, 2231 UTC
by Token

 

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