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
493 Views
Last post October 30, 2023, 0040 UTC
by Skipmuck
5 Replies
945 Views
Last post October 30, 2023, 0016 UTC
by world of stevie
7 Replies
958 Views
Last post October 30, 2023, 0011 UTC
by radioskip
8 Replies
999 Views
Last post October 29, 2023, 2339 UTC
by world of stevie
5 Replies
703 Views
Last post October 29, 2023, 2332 UTC
by Molvania Poacher
14 Replies
2040 Views
Last post October 29, 2023, 2300 UTC
by Mr. Saturn
10 Replies
1655 Views
Last post October 29, 2023, 2230 UTC
by N2MLP
0 Replies
440 Views
Last post October 29, 2023, 2135 UTC
by Shortwave_Listener
0 Replies
467 Views
Last post October 29, 2023, 2134 UTC
by Big Badfish Al
8 Replies
1502 Views
Last post October 29, 2023, 2128 UTC
by KMD3HR
11 Replies
1358 Views
Last post October 29, 2023, 2104 UTC
by dfwhite
1 Replies
502 Views
Last post October 29, 2023, 2055 UTC
by Shortwave_Listener
2 Replies
486 Views
Last post October 29, 2023, 2055 UTC
by JustGreg
0 Replies
504 Views
Last post October 29, 2023, 2015 UTC
by Shortwave_Listener
3 Replies
850 Views
Last post October 29, 2023, 1930 UTC
by flexoman61
6 Replies
997 Views
Last post October 29, 2023, 1924 UTC
by hsmith77
10 Replies
1361 Views
Last post October 29, 2023, 1504 UTC
by KMD3HR
5 Replies
676 Views
Last post October 29, 2023, 1351 UTC
by KMD3HR
8 Replies
969 Views
Last post October 29, 2023, 1349 UTC
by KMD3HR
4 Replies
1209 Views
Last post October 29, 2023, 0401 UTC
by Molvania Poacher

 

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