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
136 Views
Last post January 13, 2024, 1558 UTC
by Ray Lalleu
1 Replies
144 Views
Last post August 28, 2023, 1944 UTC
by kris
0 Replies
141 Views
Last post February 03, 2023, 1645 UTC
by Ray Lalleu
1 Replies
148 Views
Last post March 16, 2023, 1747 UTC
by kris
0 Replies
136 Views
Last post October 04, 2023, 1900 UTC
by Ray Lalleu
0 Replies
109 Views
Last post May 25, 2023, 1916 UTC
by Ray Lalleu
0 Replies
114 Views
Last post March 20, 2023, 1925 UTC
by Ray Lalleu
0 Replies
131 Views
Last post February 03, 2023, 1946 UTC
by Ray Lalleu
0 Replies
105 Views
Last post May 24, 2023, 2005 UTC
by Ray Lalleu
2 Replies
167 Views
Last post February 24, 2024, 2011 UTC
by n2avh
3 Replies
219 Views
Last post August 06, 2023, 0111 UTC
by fox558
0 Replies
145 Views
Last post February 07, 2023, 1558 UTC
by Ray Lalleu
0 Replies
112 Views
Last post October 04, 2023, 1644 UTC
by Ray Lalleu
1 Replies
142 Views
Last post June 01, 2023, 1941 UTC
by dxace1
0 Replies
100 Views
Last post January 13, 2024, 1546 UTC
by Ray Lalleu
0 Replies
86 Views
Last post January 09, 2024, 1534 UTC
by Ray Lalleu
0 Replies
70 Views
Last post January 14, 2024, 1411 UTC
by Ray Lalleu
0 Replies
119 Views
Last post April 08, 2023, 1546 UTC
by Ray Lalleu
0 Replies
118 Views
Last post April 08, 2023, 1907 UTC
by Ray Lalleu
0 Replies
111 Views
Last post June 23, 2023, 2047 UTC
by Ray Lalleu

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns