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
429 Views
Last post December 09, 2023, 1228 UTC
by RobRich
2 Replies
1760 Views
Last post January 07, 2013, 2122 UTC
by Rockpicker
4 Replies
2591 Views
Last post January 08, 2013, 2332 UTC
by Pigmeat
6 Replies
2637 Views
Last post January 07, 2013, 2004 UTC
by DimBulb
5 Replies
2696 Views
Last post June 27, 2013, 1953 UTC
by solarix
5 Replies
3433 Views
Last post December 12, 2013, 0251 UTC
by Token
4 Replies
1334 Views
Last post September 02, 2018, 2143 UTC
by ChrisSmolinski
6 Replies
3113 Views
Last post February 05, 2014, 2310 UTC
by cmradio
0 Replies
779 Views
Last post September 06, 2021, 1955 UTC
by Ron - Calif.
1 Replies
3710 Views
Last post March 30, 2014, 2359 UTC
by RCCI
6 Replies
2196 Views
Last post July 05, 2014, 1500 UTC
by ChrisSmolinski
1 Replies
961 Views
Last post November 18, 2019, 2227 UTC
by Josh
2 Replies
698 Views
Last post September 13, 2022, 0007 UTC
by Pigmeat
0 Replies
700 Views
Last post July 29, 2021, 2248 UTC
by Ronald_Mullis
0 Replies
613 Views
Last post July 07, 2021, 2146 UTC
by Ronald_Mullis
0 Replies
515 Views
Last post January 14, 2023, 2012 UTC
by Ronald_Mullis
2 Replies
562 Views
Last post May 29, 2024, 1427 UTC
by R4002
1 Replies
594 Views
Last post August 28, 2023, 1335 UTC
by ChrisSmolinski
4 Replies
2345 Views
Last post May 25, 2017, 1554 UTC
by Josh
9 Replies
4097 Views
Last post April 18, 2017, 2005 UTC
by Terry

 

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