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
14 Replies
3503 Views
Last post December 22, 2015, 2329 UTC
by ByteBORG
2 Replies
1116 Views
Last post December 22, 2015, 2304 UTC
by refmo
0 Replies
846 Views
Last post December 22, 2015, 2233 UTC
by ka1iic
9 Replies
1887 Views
Last post December 22, 2015, 2221 UTC
by robman501a
5 Replies
2044 Views
Last post December 22, 2015, 1522 UTC
by CoolAM Radio
2 Replies
1163 Views
Last post December 22, 2015, 1337 UTC
by ChrisSmolinski
0 Replies
668 Views
Last post December 22, 2015, 1333 UTC
by ChrisSmolinski
0 Replies
808 Views
Last post December 22, 2015, 0141 UTC
by refmo
0 Replies
908 Views
Last post December 21, 2015, 0501 UTC
by Token
10 Replies
2486 Views
Last post December 21, 2015, 0057 UTC
by JoeFLIPS
4 Replies
1526 Views
Last post December 20, 2015, 2332 UTC
by aurora
2 Replies
824 Views
Last post December 20, 2015, 2308 UTC
by refmo
6 Replies
1367 Views
Last post December 20, 2015, 2244 UTC
by Markokpik
12 Replies
2466 Views
Last post December 20, 2015, 2219 UTC
by Pigmeat
0 Replies
789 Views
Last post December 20, 2015, 2200 UTC
by R4002
2 Replies
954 Views
Last post December 20, 2015, 2158 UTC
by slowtrain
0 Replies
724 Views
Last post December 20, 2015, 2152 UTC
by Ron Hunsicker
6 Replies
1415 Views
Last post December 20, 2015, 2126 UTC
by Rafman
2 Replies
1336 Views
Last post December 20, 2015, 1827 UTC
by JoeFLIPS
0 Replies
666 Views
Last post December 20, 2015, 1648 UTC
by ChrisSmolinski

 

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