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
464 Views
Last post July 02, 2024, 0029 UTC
by Andrew Yoder
7 Replies
559 Views
Last post July 01, 2024, 2302 UTC
by Radio Star
11 Replies
1049 Views
Last post July 01, 2024, 1337 UTC
by ku4a
5 Replies
398 Views
Last post July 01, 2024, 1227 UTC
by ChrisSmolinski
3 Replies
365 Views
Last post July 01, 2024, 0909 UTC
by N2MLP
26 Replies
1708 Views
Last post July 01, 2024, 0437 UTC
by radiorandy
6 Replies
372 Views
Last post July 01, 2024, 0043 UTC
by Dr. Strangelove
1 Replies
166 Views
Last post June 30, 2024, 2039 UTC
by ChrisSmolinski
17 Replies
908 Views
Last post June 30, 2024, 1506 UTC
by ChrisSmolinski
5 Replies
497 Views
Last post June 30, 2024, 1413 UTC
by ku4a
6 Replies
312 Views
Last post June 30, 2024, 1215 UTC
by N2MLP
3 Replies
203 Views
Last post June 30, 2024, 1212 UTC
by N2MLP
5 Replies
357 Views
Last post June 30, 2024, 1210 UTC
by N2MLP
6 Replies
471 Views
Last post June 30, 2024, 1208 UTC
by N2MLP
12 Replies
617 Views
Last post June 30, 2024, 1206 UTC
by N2MLP
0 Replies
138 Views
Last post June 30, 2024, 0549 UTC
by Grumpy Grandpa
15 Replies
773 Views
Last post June 30, 2024, 0208 UTC
by Paul65
27 Replies
1116 Views
Last post June 30, 2024, 0129 UTC
by Markokpik
0 Replies
112 Views
Last post June 29, 2024, 2319 UTC
by N2MLP
9 Replies
446 Views
Last post June 29, 2024, 2247 UTC
by myteaquinn

 

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