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
2087 Views
Last post November 28, 2018, 1414 UTC
by ChrisSmolinski
1 Replies
763 Views
Last post November 29, 2017, 0025 UTC
by skeezix
1 Replies
656 Views
Last post March 28, 2020, 2121 UTC
by LanceLovejoy
1 Replies
953 Views
Last post March 29, 2017, 0121 UTC
by skeezix
2 Replies
631 Views
Last post June 29, 2018, 1426 UTC
by ChrisSmolinski
0 Replies
2719 Views
Last post July 28, 2019, 1447 UTC
by ChrisSmolinski
0 Replies
468 Views
Last post January 28, 2021, 1245 UTC
by ChrisSmolinski
0 Replies
473 Views
Last post January 28, 2020, 1500 UTC
by ChrisSmolinski
0 Replies
484 Views
Last post January 28, 2019, 1339 UTC
by ChrisSmolinski
0 Replies
612 Views
Last post January 28, 2018, 1501 UTC
by ChrisSmolinski
0 Replies
995 Views
Last post January 28, 2017, 1655 UTC
by ChrisSmolinski
0 Replies
442 Views
Last post February 28, 2020, 1614 UTC
by ChrisSmolinski
0 Replies
533 Views
Last post February 28, 2019, 1744 UTC
by ChrisSmolinski
0 Replies
599 Views
Last post February 28, 2018, 1352 UTC
by ChrisSmolinski
0 Replies
890 Views
Last post February 28, 2017, 1434 UTC
by ChrisSmolinski
1 Replies
564 Views
Last post December 28, 2020, 1326 UTC
by ChrisSmolinski
0 Replies
569 Views
Last post December 28, 2017, 1301 UTC
by ChrisSmolinski
0 Replies
1034 Views
Last post December 28, 2016, 1538 UTC
by ChrisSmolinski
1 Replies
1163 Views
Last post August 28, 2019, 2025 UTC
by ChrisSmolinski
0 Replies
449 Views
Last post August 28, 2021, 1345 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 House Flag
by MitchellTimeDesigns