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
11 Replies
5047 Views
Last post August 19, 2017, 0307 UTC
by Looking-Glass
3 Replies
2006 Views
Last post July 30, 2017, 1316 UTC
by Token
1 Replies
1413 Views
Last post July 18, 2017, 1258 UTC
by ChrisSmolinski
5 Replies
2981 Views
Last post July 02, 2017, 0500 UTC
by Looking-Glass
UNID 6227 USB 2125 UTC 6/29/17

Started by JoeFLIPS

0 Replies
1039 Views
Last post June 29, 2017, 2126 UTC
by JoeFLIPS
KPH Radio 17016Khz

Started by housecat

0 Replies
1273 Views
Last post June 04, 2017, 0042 UTC
by housecat
23 Replies
7302 Views
Last post June 03, 2017, 1926 UTC
by MDK2
4 Replies
2273 Views
Last post May 25, 2017, 1554 UTC
by Josh
0 Replies
1551 Views
Last post May 13, 2017, 2041 UTC
by Skipmuck
4 Replies
2030 Views
Last post May 03, 2017, 1235 UTC
by ChrisSmolinski
0 Replies
1037 Views
Last post May 03, 2017, 0852 UTC
by Looking-Glass
9 Replies
3963 Views
Last post April 18, 2017, 2005 UTC
by Terry
0 Replies
1118 Views
Last post April 15, 2017, 1426 UTC
by R4002
0 Replies
1160 Views
Last post April 14, 2017, 0303 UTC
by MDK2
0 Replies
890 Views
Last post April 14, 2017, 0121 UTC
by R4002
0 Replies
1200 Views
Last post April 12, 2017, 0336 UTC
by R4002
0 Replies
1163 Views
Last post April 12, 2017, 0332 UTC
by R4002
2 Replies
1656 Views
Last post April 11, 2017, 2343 UTC
by BDM
0 Replies
863 Views
Last post April 10, 2017, 1719 UTC
by R4002
0 Replies
1187 Views
Last post April 10, 2017, 1138 UTC
by R4002

 

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