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
0 Replies
940 Views
Last post April 13, 2016, 1404 UTC
by ka1iic
0 Replies
939 Views
Last post December 07, 2014, 2245 UTC
by ChrisSmolinski
0 Replies
939 Views
Last post July 15, 2021, 0606 UTC
by ThaDood
0 Replies
938 Views
Last post May 21, 2014, 1336 UTC
by Fansome
0 Replies
938 Views
Last post November 23, 2022, 1827 UTC
by Ct Yankee
1 Replies
938 Views
Last post February 22, 2024, 0108 UTC
by skeezix
0 Replies
938 Views
Last post November 27, 2016, 2047 UTC
by Oliver
0 Replies
938 Views
Last post October 19, 2019, 1737 UTC
by ThaDood
0 Replies
937 Views
Last post July 12, 2013, 1352 UTC
by CoolAM Radio
0 Replies
937 Views
Last post October 24, 2015, 1228 UTC
by Oliver
0 Replies
936 Views
Last post March 14, 2015, 1628 UTC
by skeezix
0 Replies
935 Views
Last post July 07, 2014, 2122 UTC
by Fansome
0 Replies
935 Views
Last post May 17, 2013, 0915 UTC
by Fansome
1 Replies
934 Views
Last post May 30, 2019, 1729 UTC
by Josh
0 Replies
934 Views
Last post March 11, 2017, 1710 UTC
by ChrisSmolinski
0 Replies
934 Views
Last post April 23, 2013, 1319 UTC
by ChrisSmolinski
0 Replies
934 Views
Last post July 06, 2021, 1254 UTC
by ChrisSmolinski
0 Replies
933 Views
Last post May 04, 2016, 1057 UTC
by loul
0 Replies
933 Views
Last post April 18, 2014, 1345 UTC
by jFarley
Propagation

Started by Fansome

0 Replies
932 Views
Last post March 15, 2013, 1838 UTC
by Fansome

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns