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
1 Replies
1941 Views
Last post April 19, 2019, 2241 UTC
by Daniel Wyllyans
0 Replies
845 Views
Last post September 30, 2018, 1337 UTC
by Daniel Wyllyans
7 Replies
2034 Views
Last post March 07, 2019, 2338 UTC
by Skipmuck
0 Replies
2016 Views
Last post May 07, 2017, 1200 UTC
by Daniel Wyllyans
3 Replies
996 Views
Last post January 17, 2023, 2310 UTC
by Daniel Wyllyans
0 Replies
884 Views
Last post February 12, 2019, 1142 UTC
by Daniel Wyllyans
0 Replies
1013 Views
Last post April 15, 2018, 1931 UTC
by Daniel Wyllyans
0 Replies
1071 Views
Last post February 24, 2020, 1636 UTC
by Daniel Wyllyans
2 Replies
1830 Views
Last post March 28, 2018, 1007 UTC
by Daniel Wyllyans
0 Replies
988 Views
Last post December 24, 2019, 2350 UTC
by Daniel Wyllyans
0 Replies
1127 Views
Last post March 04, 2018, 0237 UTC
by Daniel Wyllyans
0 Replies
760 Views
Last post October 31, 2018, 0052 UTC
by Daniel Wyllyans
0 Replies
1437 Views
Last post April 19, 2019, 1956 UTC
by Daniel Wyllyans
0 Replies
993 Views
Last post March 05, 2019, 1814 UTC
by Daniel Wyllyans
0 Replies
635 Views
Last post January 17, 2023, 0959 UTC
by Daniel Wyllyans
0 Replies
925 Views
Last post June 29, 2018, 1422 UTC
by Daniel Wyllyans
0 Replies
857 Views
Last post February 12, 2019, 1135 UTC
by Daniel Wyllyans
3 Replies
1199 Views
Last post April 16, 2018, 0159 UTC
by Daniel Wyllyans
0 Replies
978 Views
Last post February 24, 2020, 1631 UTC
by Daniel Wyllyans
0 Replies
1563 Views
Last post March 26, 2018, 1624 UTC
by Daniel Wyllyans

 

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