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
23 Replies
15695 Views
Last post April 06, 2014, 1448 UTC
by IQ_imbalance
LimeSDR

Started by PirateSWL

1 Replies
3304 Views
Last post September 22, 2017, 1027 UTC
by Oliver
SIGID discord.

Started by r4sl

0 Replies
2046 Views
Last post July 21, 2018, 2237 UTC
by r4sl
1 Replies
7388 Views
Last post September 04, 2013, 2229 UTC
by rdla4
Flex 1000?

Started by radiogaga

0 Replies
2526 Views
Last post March 24, 2013, 2041 UTC
by radiogaga
0 Replies
3835 Views
Last post April 29, 2016, 1120 UTC
by RadRoadrunner
6 Replies
12934 Views
Last post May 25, 2015, 1835 UTC
by DimBulb
5 Replies
6285 Views
Last post February 03, 2015, 2147 UTC
by ha6qu
0 Replies
4484 Views
Last post May 22, 2016, 2150 UTC
by Rafman
2 Replies
5175 Views
Last post September 13, 2014, 1222 UTC
by ByteBORG
4 Replies
4837 Views
Last post October 20, 2014, 2218 UTC
by blw
2 Replies
2724 Views
Last post February 04, 2017, 1955 UTC
by mbott
1 Replies
7654 Views
Last post November 10, 2013, 0739 UTC
by bodyguardnz
6 Replies
9012 Views
Last post March 22, 2013, 1945 UTC
by Duffer
Portable SDR

Started by Ragnar

2 Replies
3962 Views
Last post September 03, 2013, 0328 UTC
by cmradio
2 Replies
1124 Views
Last post April 12, 2023, 0014 UTC
by ~SIGINT~
6 Replies
1346 Views
Last post April 16, 2023, 0726 UTC
by Charlie_Dont_Surf
9 Replies
1876 Views
Last post March 15, 2023, 0113 UTC
by Charlie_Dont_Surf
0 Replies
213 Views
Last post May 10, 2024, 1943 UTC
by Ray Lalleu
4 Replies
1578 Views
Last post November 12, 2022, 0754 UTC
by Charlie_Dont_Surf

 

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