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
Propagation

Started by Fansome

0 Replies
804 Views
Last post June 21, 2013, 2213 UTC
by Fansome
Propagation

Started by Fansome

0 Replies
1094 Views
Last post May 16, 2014, 2105 UTC
by Fansome
Propagation

Started by Fansome

0 Replies
2442 Views
Last post June 06, 2008, 2246 UTC
by Fansome
0 Replies
931 Views
Last post February 27, 2018, 2326 UTC
by CoolAM Radio
0 Replies
869 Views
Last post July 12, 2013, 1352 UTC
by CoolAM Radio
0 Replies
821 Views
Last post August 01, 2015, 0056 UTC
by CoolAM Radio
0 Replies
1000 Views
Last post April 13, 2016, 1306 UTC
by CoolAM Radio
0 Replies
1315 Views
Last post September 17, 2014, 0920 UTC
by CoolAM Radio
0 Replies
1076 Views
Last post October 16, 2017, 2229 UTC
by CoolAM Radio
0 Replies
1187 Views
Last post March 07, 2013, 2128 UTC
by CoolAM Radio
0 Replies
4072 Views
Last post April 19, 2008, 0208 UTC
by Fansome
6 Replies
2093 Views
Last post February 12, 2014, 0103 UTC
by CoolAM Radio
15 Replies
7328 Views
Last post November 22, 2010, 1231 UTC
by Pigmeat
5 Replies
2369 Views
Last post October 21, 2017, 0105 UTC
by Tom S
2 Replies
1578 Views
Last post August 09, 2014, 2209 UTC
by ulx2
Pro-94 squelch problem

Started by Nella F.

7 Replies
3217 Views
Last post July 27, 2016, 2328 UTC
by Davep
0 Replies
1116 Views
Last post November 29, 2013, 0502 UTC
by CoolAM Radio
5 Replies
2053 Views
Last post September 26, 2024, 1324 UTC
by BoomboxDX
2 Replies
1548 Views
Last post July 17, 2014, 2111 UTC
by glimmer twin
4 Replies
2872 Views
Last post December 31, 2010, 0158 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 Garden Flag
by MitchellTimeDesigns