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
1429 Views
Last post October 06, 2015, 0112 UTC
by Skipmuck
5 Replies
1430 Views
Last post September 15, 2018, 1503 UTC
by ChrisSmolinski
3 Replies
1430 Views
Last post January 21, 2017, 0255 UTC
by Yankee Charlie
5 Replies
1430 Views
Last post November 23, 2016, 2325 UTC
by aurora
3 Replies
1430 Views
Last post August 28, 2016, 1844 UTC
by Andrew Yoder
3 Replies
1430 Views
Last post November 21, 2015, 1627 UTC
by ChrisSmolinski
3 Replies
1430 Views
Last post September 14, 2015, 0131 UTC
by midevil
4 Replies
1430 Views
Last post August 22, 2013, 0129 UTC
by Pigmeat
2 Replies
1430 Views
Last post February 13, 2011, 0051 UTC
by syfr
11 Replies
1430 Views
Last post November 25, 2023, 0102 UTC
by J. Carlos Pérez Montero
9 Replies
1431 Views
Last post June 23, 2024, 0230 UTC
by Molvania Poacher
12 Replies
1431 Views
Last post February 11, 2024, 1504 UTC
by Sealord
8 Replies
1431 Views
Last post December 12, 2023, 0246 UTC
by Markokpik
12 Replies
1431 Views
Last post July 17, 2023, 0047 UTC
by N2MLP
15 Replies
1431 Views
Last post January 02, 2023, 0221 UTC
by Markokpik
11 Replies
1431 Views
Last post February 27, 2022, 2056 UTC
by Ct Yankee
9 Replies
1431 Views
Last post January 09, 2022, 1607 UTC
by Rob.
12 Replies
1431 Views
Last post September 12, 2021, 0157 UTC
by Bali_Frank
3 Replies
1431 Views
Last post October 10, 2013, 1230 UTC
by ChrisSmolinski
5 Replies
1431 Views
Last post October 08, 2013, 1212 UTC
by Sealord

 

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