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
3 Replies
931 Views
Last post March 18, 2017, 2127 UTC
by Rafman
1 Replies
1113 Views
Last post March 11, 2012, 1628 UTC
by Newfoundland DXer
0 Replies
372 Views
Last post December 20, 2024, 1226 UTC
by ChrisSmolinski
7 Replies
1012 Views
Last post June 28, 2020, 2335 UTC
by texas1dxer
2 Replies
1024 Views
Last post November 01, 2015, 0214 UTC
by Mentholyptus
2 Replies
753 Views
Last post December 24, 2018, 1618 UTC
by digitalmod
0 Replies
871 Views
Last post January 12, 2014, 1645 UTC
by ChrisSmolinski
0 Replies
481 Views
Last post June 25, 2017, 2233 UTC
by ChrisSmolinski
5 Replies
1743 Views
Last post December 17, 2014, 0143 UTC
by Chanter
0 Replies
537 Views
Last post March 04, 2018, 1626 UTC
by ChrisSmolinski
3 Replies
1470 Views
Last post October 23, 2016, 2350 UTC
by JoeFLIPS
0 Replies
334 Views
Last post August 28, 2024, 1605 UTC
by ChrisSmolinski
0 Replies
374 Views
Last post October 28, 2020, 1718 UTC
by ChrisSmolinski
2 Replies
1169 Views
Last post September 15, 2013, 1642 UTC
by Beerus Maximus
0 Replies
640 Views
Last post May 03, 2019, 1215 UTC
by ChrisSmolinski
2 Replies
1335 Views
Last post December 04, 2012, 0949 UTC
by mr. mike
0 Replies
1035 Views
Last post June 15, 2025, 1558 UTC
by ChrisSmolinski
0 Replies
917 Views
Last post March 22, 2013, 1252 UTC
by ChrisSmolinski
0 Replies
879 Views
Last post November 12, 2018, 1401 UTC
by ChrisSmolinski
1 Replies
1417 Views
Last post December 09, 2013, 0026 UTC
by jFarley

 

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