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
652 Views
Last post March 25, 2017, 1821 UTC
by ChrisSmolinski
3 Replies
1031 Views
Last post March 25, 2017, 1741 UTC
by aurora
2 Replies
1241 Views
Last post March 25, 2017, 1509 UTC
by ChrisSmolinski
5 Replies
1900 Views
Last post March 25, 2017, 1437 UTC
by ChrisSmolinski
0 Replies
603 Views
Last post March 25, 2017, 1436 UTC
by ChrisSmolinski
Pee Wee 6930 USB 0057 UTC 3/25/17

Started by JoeFLIPS

8 Replies
1623 Views
Last post March 25, 2017, 1426 UTC
by ChrisSmolinski
1 Replies
911 Views
Last post March 25, 2017, 1214 UTC
by PirateSWL
15 Replies
3665 Views
Last post March 25, 2017, 0155 UTC
by Markokpik
10 Replies
2612 Views
Last post March 25, 2017, 0039 UTC
by Davep
3 Replies
1095 Views
Last post March 25, 2017, 0014 UTC
by ChrisSmolinski
5 Replies
2417 Views
Last post March 24, 2017, 1519 UTC
by ChrisSmolinski
3 Replies
1255 Views
Last post March 24, 2017, 1228 UTC
by ChrisSmolinski
16 Replies
5715 Views
Last post March 24, 2017, 0009 UTC
by Azimuth Coordinator
1 Replies
819 Views
Last post March 23, 2017, 2218 UTC
by ChrisSmolinski
UNID 6950.3 AM 0035 UTC 3/23/17

Started by JoeFLIPS

0 Replies
880 Views
Last post March 23, 2017, 0035 UTC
by JoeFLIPS
1 Replies
1035 Views
Last post March 22, 2017, 2310 UTC
by PirateSWL
12 Replies
4548 Views
Last post March 22, 2017, 2234 UTC
by John Poet
2 Replies
1152 Views
Last post March 22, 2017, 0049 UTC
by R4002
14 Replies
3209 Views
Last post March 22, 2017, 0005 UTC
by R4002
0 Replies
617 Views
Last post March 21, 2017, 2324 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 Garden Flag
by MitchellTimeDesigns