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
747 Views
Last post January 14, 2018, 0300 UTC
by Helicaster
0 Replies
610 Views
Last post November 21, 2015, 1717 UTC
by ChrisSmolinski
3 Replies
591 Views
Last post January 24, 2024, 0007 UTC
by Ct Yankee
0 Replies
456 Views
Last post December 26, 2020, 1601 UTC
by ChrisSmolinski
2 Replies
1314 Views
Last post February 28, 2014, 1707 UTC
by DimBulb
UNID 6925.7 AM

Started by BOR

0 Replies
745 Views
Last post August 02, 2012, 0554 UTC
by BOR
0 Replies
522 Views
Last post December 15, 2017, 1248 UTC
by ChrisSmolinski
0 Replies
551 Views
Last post April 07, 2018, 1450 UTC
by ChrisSmolinski
1 Replies
540 Views
Last post December 25, 2017, 1527 UTC
by hammarhead
0 Replies
508 Views
Last post November 11, 2017, 1715 UTC
by ChrisSmolinski
0 Replies
717 Views
Last post September 06, 2017, 1757 UTC
by PirateSWL
0 Replies
596 Views
Last post January 19, 2018, 2009 UTC
by ChrisSmolinski
1 Replies
812 Views
Last post September 06, 2017, 2049 UTC
by ChrisSmolinski
1 Replies
684 Views
Last post December 24, 2017, 2052 UTC
by KaySeeks
0 Replies
491 Views
Last post November 26, 2017, 2108 UTC
by ChrisSmolinski
0 Replies
473 Views
Last post July 21, 2017, 2115 UTC
by ChrisSmolinski
0 Replies
461 Views
Last post November 30, 2017, 2127 UTC
by ChrisSmolinski
2 Replies
872 Views
Last post February 09, 2018, 2158 UTC
by slowtrain
1 Replies
524 Views
Last post October 14, 2019, 2210 UTC
by Skipmuck
1 Replies
1211 Views
Last post November 17, 2019, 2252 UTC
by blw

 

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