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
12 Replies
3782 Views
Last post August 05, 2014, 0159 UTC
by 07code04stalker1776
XLR8 6925U 0011 4 October 2014

Started by rdla4 « 1 2 »

15 Replies
3782 Views
Last post October 04, 2014, 0156 UTC
by mark-n-nut
15 Replies
3783 Views
Last post February 15, 2014, 1632 UTC
by glimmer twin
28 Replies
3783 Views
Last post November 08, 2022, 0321 UTC
by ✠ Blue Max
2 Replies
3784 Views
Last post April 27, 2012, 1228 UTC
by ETM71
6 Replies
3784 Views
Last post June 20, 2017, 2356 UTC
by Dr. Strangelove
2 Replies
3785 Views
Last post September 05, 2011, 1740 UTC
by Sealord
UNID 6925 USB *1524 UTC 10/31/16

Started by JoeFLIPS

3 Replies
3785 Views
Last post October 31, 2016, 1607 UTC
by PirateSWL
0 Replies
3787 Views
Last post August 29, 2010, 2347 UTC
by skeezix
16 Replies
3787 Views
Last post November 28, 2014, 0131 UTC
by ChrisSmolinski
13 Replies
3787 Views
Last post July 19, 2014, 1636 UTC
by ChrisSmolinski
1 Replies
3791 Views
Last post May 26, 2019, 1904 UTC
by Skipmuck
1 Replies
3791 Views
Last post October 31, 2016, 1348 UTC
by PirateSWL
16 Replies
3792 Views
Last post April 11, 2017, 0125 UTC
by hermitva
19 Replies
3793 Views
Last post December 06, 2015, 2356 UTC
by olddxer
13 Replies
3795 Views
Last post September 03, 2017, 0139 UTC
by Markokpik
11 Replies
3795 Views
Last post April 16, 2016, 1038 UTC
by RainBrandy
1 Replies
3796 Views
Last post October 29, 2016, 0137 UTC
by Skipmuck
3 Replies
3797 Views
Last post June 07, 2019, 1016 UTC
by Pigmeat
27 Replies
3800 Views
Last post November 01, 2020, 2259 UTC
by redhat

 

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