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
1 Replies
999 Views
Last post December 20, 2015, 1605 UTC
by ChrisSmolinski
1 Replies
1588 Views
Last post April 02, 2015, 2239 UTC
by Skipmuck
1 Replies
990 Views
Last post February 18, 2014, 2326 UTC
by ChrisSmolinski
1 Replies
1182 Views
Last post November 06, 2014, 1300 UTC
by ChrisSmolinski
0 Replies
1662 Views
Last post March 20, 2015, 0048 UTC
by ChrisSmolinski
UNID 6925 USB 0145 UTC 1/19/16

Started by JoeFLIPS

3 Replies
2282 Views
Last post January 19, 2016, 1356 UTC
by ChrisSmolinski
1 Replies
1809 Views
Last post October 10, 2012, 1337 UTC
by ChrisSmolinski
1 Replies
834 Views
Last post October 30, 2021, 1905 UTC
by ChrisSmolinski
0 Replies
1046 Views
Last post January 17, 2016, 1809 UTC
by flexoman61
0 Replies
904 Views
Last post February 17, 2014, 2123 UTC
by ChrisSmolinski
0 Replies
857 Views
Last post June 27, 2014, 2222 UTC
by ChrisSmolinski
1 Replies
1221 Views
Last post December 30, 2014, 2330 UTC
by ChrisSmolinski
5 Replies
1707 Views
Last post March 06, 2014, 1323 UTC
by ChrisSmolinski
1 Replies
1420 Views
Last post July 18, 2017, 1258 UTC
by ChrisSmolinski
0 Replies
1142 Views
Last post January 25, 2015, 0045 UTC
by CaptainGreenBeans
1 Replies
1344 Views
Last post December 12, 2013, 0228 UTC
by jFarley
0 Replies
3070 Views
Last post July 04, 2015, 0046 UTC
by jFarley
1 Replies
1104 Views
Last post August 02, 2013, 1854 UTC
by ChrisSmolinski
3 Replies
1462 Views
Last post January 06, 2016, 0105 UTC
by Yankee Charlie
UNID 6929.9 AM 0036 7/26/15

Started by JoeFLIPS

0 Replies
1020 Views
Last post July 26, 2015, 0036 UTC
by JoeFLIPS

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns