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
1171 Views
Last post December 16, 2016, 1451 UTC
by ChrisSmolinski
1 Replies
888 Views
Last post April 01, 2017, 2345 UTC
by skeezix
0 Replies
500 Views
Last post March 05, 2019, 1359 UTC
by ChrisSmolinski
0 Replies
550 Views
Last post October 18, 2020, 1219 UTC
by ChrisSmolinski
0 Replies
1358 Views
Last post August 27, 2019, 1503 UTC
by ChrisSmolinski
0 Replies
1227 Views
Last post December 28, 2016, 1538 UTC
by ChrisSmolinski
0 Replies
867 Views
Last post April 17, 2017, 1527 UTC
by ChrisSmolinski
0 Replies
782 Views
Last post November 10, 2018, 1347 UTC
by ChrisSmolinski
0 Replies
760 Views
Last post October 01, 2017, 1501 UTC
by ChrisSmolinski
3 Replies
916 Views
Last post February 08, 2018, 1152 UTC
by ChrisSmolinski
0 Replies
610 Views
Last post September 12, 2019, 1359 UTC
by ChrisSmolinski
0 Replies
569 Views
Last post June 30, 2018, 2008 UTC
by ChrisSmolinski
0 Replies
519 Views
Last post January 21, 2020, 1606 UTC
by ChrisSmolinski
0 Replies
854 Views
Last post November 26, 2018, 1258 UTC
by ChrisSmolinski
0 Replies
740 Views
Last post October 17, 2017, 2114 UTC
by ChrisSmolinski
0 Replies
518 Views
Last post April 06, 2019, 1401 UTC
by ChrisSmolinski
0 Replies
600 Views
Last post February 17, 2018, 1530 UTC
by ChrisSmolinski
0 Replies
1097 Views
Last post January 22, 2017, 1557 UTC
by ChrisSmolinski
0 Replies
536 Views
Last post February 06, 2020, 1657 UTC
by ChrisSmolinski
0 Replies
775 Views
Last post December 11, 2018, 1352 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 T-Shirt
by MitchellTimeDesigns