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
5 Replies
489 Views
Last post June 30, 2024, 1210 UTC
by N2MLP
6 Replies
731 Views
Last post June 30, 2024, 1208 UTC
by N2MLP
12 Replies
958 Views
Last post June 30, 2024, 1206 UTC
by N2MLP
0 Replies
250 Views
Last post June 30, 2024, 0549 UTC
by Grumpy Grandpa
15 Replies
1112 Views
Last post June 30, 2024, 0208 UTC
by Paul65
27 Replies
1708 Views
Last post June 30, 2024, 0129 UTC
by Markokpik
0 Replies
187 Views
Last post June 29, 2024, 2319 UTC
by N2MLP
9 Replies
633 Views
Last post June 29, 2024, 2247 UTC
by myteaquinn
0 Replies
246 Views
Last post June 29, 2024, 1951 UTC
by ChrisSmolinski
6 Replies
781 Views
Last post June 29, 2024, 1940 UTC
by ChrisSmolinski
8 Replies
831 Views
Last post June 29, 2024, 1927 UTC
by ChrisSmolinski
6 Replies
432 Views
Last post June 29, 2024, 1913 UTC
by N2MLP
14 Replies
1227 Views
Last post June 29, 2024, 0156 UTC
by W4ASU
6 Replies
655 Views
Last post June 29, 2024, 0153 UTC
by hflstnr
13 Replies
1177 Views
Last post June 29, 2024, 0023 UTC
by Molvania Poacher
11 Replies
1249 Views
Last post June 28, 2024, 2320 UTC
by N2MLP
6 Replies
919 Views
Last post June 28, 2024, 2318 UTC
by N2MLP
10 Replies
1063 Views
Last post June 28, 2024, 2317 UTC
by N2MLP
8 Replies
923 Views
Last post June 28, 2024, 2315 UTC
by N2MLP
14 Replies
1288 Views
Last post June 28, 2024, 2314 UTC
by N2MLP

 

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