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
129 Views
Last post September 10, 2025, 1903 UTC
by Ray Lalleu
1 Replies
132 Views
Last post September 10, 2025, 1901 UTC
by Ray Lalleu
1 Replies
134 Views
Last post September 10, 2025, 1725 UTC
by Ethernut
3 Replies
210 Views
Last post September 10, 2025, 1640 UTC
by Ray Lalleu
2 Replies
144 Views
Last post September 10, 2025, 1620 UTC
by europirate
1 Replies
110 Views
Last post September 10, 2025, 1553 UTC
by Ray Lalleu
0 Replies
142 Views
Last post September 09, 2025, 2239 UTC
by kris
1 Replies
186 Views
Last post September 09, 2025, 2149 UTC
by kris
4 Replies
238 Views
Last post September 09, 2025, 1842 UTC
by Ray Lalleu
3 Replies
181 Views
Last post September 09, 2025, 1811 UTC
by Alex BLR
0 Replies
104 Views
Last post September 09, 2025, 1712 UTC
by Ray Lalleu
1 Replies
132 Views
Last post September 09, 2025, 1658 UTC
by Ray Lalleu
0 Replies
83 Views
Last post September 09, 2025, 1635 UTC
by Alex BLR
0 Replies
82 Views
Last post September 09, 2025, 1626 UTC
by Alex BLR
2 Replies
139 Views
Last post September 09, 2025, 1625 UTC
by jackroberts
0 Replies
73 Views
Last post September 09, 2025, 1623 UTC
by Alex BLR
0 Replies
150 Views
Last post September 09, 2025, 0758 UTC
by Ray Lalleu
0 Replies
242 Views
Last post September 08, 2025, 2145 UTC
by kris
0 Replies
195 Views
Last post September 08, 2025, 2006 UTC
by europirate
0 Replies
164 Views
Last post September 08, 2025, 1954 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 T-Shirt
by MitchellTimeDesigns