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
5157 Views
Last post July 25, 2021, 0540 UTC
by cheesehed
0 Replies
5268 Views
Last post April 14, 2020, 1707 UTC
by tennessee
1 Replies
5483 Views
Last post August 13, 2020, 0910 UTC
by ulx2
2 Replies
5562 Views
Last post July 01, 2013, 1342 UTC
by atrainradio
0 Replies
5574 Views
Last post July 25, 2021, 0015 UTC
by redhat
2 Replies
5590 Views
Last post July 06, 2013, 0119 UTC
by Chanter
1 Replies
5795 Views
Last post February 29, 2020, 2253 UTC
by Dude111
0 Replies
5904 Views
Last post August 29, 2021, 1905 UTC
by ulx2
0 Replies
5913 Views
Last post August 01, 2019, 1445 UTC
by Ct Yankee
New FMDX Catch

Started by Matt_B

1 Replies
6033 Views
Last post September 01, 2017, 0847 UTC
by Matt_B
1 Replies
6045 Views
Last post June 19, 2020, 1729 UTC
by Josh
1 Replies
6052 Views
Last post July 13, 2021, 1650 UTC
by East Troy Don
0 Replies
6121 Views
Last post August 18, 2020, 2257 UTC
by ulx2
3 Replies
6441 Views
Last post October 27, 2017, 1031 UTC
by ThaDood
0 Replies
6567 Views
Last post November 11, 2012, 1639 UTC
by ChrisSmolinski
4 Replies
6655 Views
Last post August 04, 2013, 0006 UTC
by K5MOW
6 Replies
6702 Views
Last post June 29, 2019, 0019 UTC
by redhat
0 Replies
6776 Views
Last post October 16, 2013, 0051 UTC
by atrainradio
2 Replies
6828 Views
Last post July 11, 2018, 2014 UTC
by MojaveBeaconeer
2 Replies
7098 Views
Last post February 07, 2022, 1547 UTC
by Erik Mattson

 

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