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
104 Views
Last post October 17, 2025, 1925 UTC
by Ray Lalleu
0 Replies
100 Views
Last post October 17, 2025, 1921 UTC
by Ray Lalleu
0 Replies
96 Views
Last post October 17, 2025, 1906 UTC
by Ray Lalleu
0 Replies
101 Views
Last post October 17, 2025, 1859 UTC
by Ray Lalleu
2 Replies
171 Views
Last post October 17, 2025, 1848 UTC
by Danx73
3 Replies
211 Views
Last post October 17, 2025, 1837 UTC
by europirate
0 Replies
137 Views
Last post October 17, 2025, 1835 UTC
by europirate
0 Replies
143 Views
Last post October 17, 2025, 1833 UTC
by europirate
1 Replies
206 Views
Last post October 17, 2025, 1829 UTC
by Alex
1 Replies
236 Views
Last post October 17, 2025, 1718 UTC
by RadioLongWire
0 Replies
185 Views
Last post October 17, 2025, 1646 UTC
by Ray Lalleu
0 Replies
134 Views
Last post October 17, 2025, 1609 UTC
by Ray Lalleu
0 Replies
115 Views
Last post October 17, 2025, 1605 UTC
by Ray Lalleu
0 Replies
102 Views
Last post October 17, 2025, 1558 UTC
by Ray Lalleu
3 Replies
265 Views
Last post October 17, 2025, 1410 UTC
by Pascal
0 Replies
125 Views
Last post October 17, 2025, 1349 UTC
by Ray Lalleu
1 Replies
112 Views
Last post October 17, 2025, 1343 UTC
by Ray Lalleu
0 Replies
105 Views
Last post October 17, 2025, 1309 UTC
by Numero 2
0 Replies
100 Views
Last post October 17, 2025, 1308 UTC
by Ray Lalleu
0 Replies
91 Views
Last post October 17, 2025, 1237 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 House Flag
by MitchellTimeDesigns