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
2 Replies
2037 Views
Last post October 01, 2016, 0253 UTC
by PirateSWL
4 Replies
1119 Views
Last post January 31, 2024, 2140 UTC
by Skipmuck
0 Replies
1097 Views
Last post June 28, 2017, 1536 UTC
by Gino Italy
0 Replies
894 Views
Last post January 09, 2018, 1747 UTC
by Claudio Italy
0 Replies
1633 Views
Last post September 13, 2016, 1015 UTC
by Claudio Italy
0 Replies
1146 Views
Last post August 05, 2015, 2346 UTC
by Daniel Wyllyans
0 Replies
1066 Views
Last post August 05, 2015, 2345 UTC
by Daniel Wyllyans
0 Replies
640 Views
Last post August 08, 2020, 0806 UTC
by Gino Italy
0 Replies
758 Views
Last post August 19, 2019, 2100 UTC
by Big Badfish Al
0 Replies
1478 Views
Last post March 03, 2018, 1235 UTC
by Daniel Wyllyans
2 Replies
1270 Views
Last post March 02, 2018, 1412 UTC
by Daniel Wyllyans
0 Replies
1578 Views
Last post January 01, 2014, 1602 UTC
by Kilokat7
0 Replies
840 Views
Last post November 02, 2018, 1227 UTC
by Daniel Wyllyans
6 Replies
1305 Views
Last post April 25, 2019, 0948 UTC
by ChrisSmolinski
0 Replies
1262 Views
Last post January 08, 2014, 0057 UTC
by Elephantcage
0 Replies
1150 Views
Last post March 28, 2019, 1437 UTC
by Claudio Italy
1 Replies
1811 Views
Last post January 26, 2016, 0935 UTC
by Claudio Italy
0 Replies
930 Views
Last post November 18, 2016, 0711 UTC
by Oliver
2 Replies
1866 Views
Last post November 03, 2015, 2244 UTC
by fpeconsultant
1 Replies
227 Views
Last post November 10, 2025, 0144 UTC
by myteaquinn

 

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