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
44 Replies
11478 Views
Last post May 15, 2023, 1649 UTC
by fox558
0 Replies
2448 Views
Last post February 07, 2023, 0315 UTC
by Shortwave_Listener
1 Replies
4673 Views
Last post November 05, 2022, 2032 UTC
by Ray Lalleu
1 Replies
6453 Views
Last post July 19, 2022, 2354 UTC
by Ray Lalleu
0 Replies
49 Views
Last post Today at 07:44
by kris
0 Replies
52 Views
Last post Today at 06:59
by Ray Lalleu
2 Replies
54 Views
Last post May 19, 2024, 2243 UTC
by RainBrandy
1 Replies
66 Views
Last post May 19, 2024, 2210 UTC
by Ray Lalleu
1 Replies
63 Views
Last post May 19, 2024, 2204 UTC
by Fisherman
0 Replies
13 Views
Last post May 19, 2024, 2120 UTC
by Ray Lalleu
2 Replies
158 Views
Last post May 19, 2024, 2112 UTC
by Fisherman
3 Replies
170 Views
Last post May 19, 2024, 1948 UTC
by electronics-explored
0 Replies
54 Views
Last post May 19, 2024, 1937 UTC
by Ray Lalleu
3 Replies
110 Views
Last post May 19, 2024, 1936 UTC
by electronics-explored
0 Replies
46 Views
Last post May 19, 2024, 1927 UTC
by Ray Lalleu
1 Replies
93 Views
Last post May 19, 2024, 1924 UTC
by electronics-explored
0 Replies
49 Views
Last post May 19, 2024, 1906 UTC
by Ray Lalleu
1 Replies
71 Views
Last post May 19, 2024, 1836 UTC
by dxace1
3 Replies
129 Views
Last post May 19, 2024, 1822 UTC
by kris
3 Replies
171 Views
Last post May 19, 2024, 1733 UTC
by kris

 

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