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
1333 Views
Last post October 28, 2017, 1114 UTC
by Rob.
0 Replies
873 Views
Last post May 31, 2013, 2214 UTC
by Fansome
Propagation

Started by Fansome

0 Replies
1120 Views
Last post August 09, 2013, 2356 UTC
by Fansome
[UDXF] utilityradio dot com‏

Started by Fansome

0 Replies
1260 Views
Last post September 23, 2014, 1523 UTC
by Fansome
0 Replies
1276 Views
Last post October 26, 2017, 1641 UTC
by CoolAM Radio
0 Replies
984 Views
Last post May 26, 2013, 2224 UTC
by Fansome
0 Replies
984 Views
Last post October 23, 2017, 1640 UTC
by ka1iic
Propagation

Started by Fansome

0 Replies
786 Views
Last post May 24, 2013, 2058 UTC
by Fansome
0 Replies
836 Views
Last post June 23, 2014, 2337 UTC
by skeezix
Propagation

Started by Fansome

0 Replies
1040 Views
Last post January 24, 2014, 2058 UTC
by Fansome
0 Replies
858 Views
Last post May 22, 2013, 2222 UTC
by Fansome
The first football helmet radio

Started by Fansome

0 Replies
719 Views
Last post June 22, 2014, 0035 UTC
by Fansome
0 Replies
745 Views
Last post May 20, 2013, 2223 UTC
by Fansome
0 Replies
1812 Views
Last post February 13, 2015, 1519 UTC
by Beerus Maximus
0 Replies
1086 Views
Last post May 18, 2013, 2042 UTC
by skeezix
0 Replies
1103 Views
Last post May 18, 2013, 1537 UTC
by DimBulb
0 Replies
829 Views
Last post September 25, 2017, 1833 UTC
by CoolAM Radio
0 Replies
816 Views
Last post May 17, 2013, 0915 UTC
by Fansome
0 Replies
1146 Views
Last post February 08, 2015, 1635 UTC
by atrainradio
Roman numerals numbers station

Started by Fansome

0 Replies
785 Views
Last post May 15, 2013, 0337 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