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
20 Replies
1907 Views
Last post May 01, 2023, 0131 UTC
by Markokpik
3 Replies
607 Views
Last post April 30, 2023, 2231 UTC
by Grumpy Grandpa
6 Replies
845 Views
Last post April 30, 2023, 1709 UTC
by Molvania Poacher
2 Replies
639 Views
Last post April 30, 2023, 1455 UTC
by Beerus Maximus
4 Replies
675 Views
Last post April 30, 2023, 1306 UTC
by KMD3HR
6 Replies
857 Views
Last post April 30, 2023, 0335 UTC
by Pigmeat
6 Replies
678 Views
Last post April 30, 2023, 0243 UTC
by Charlie_Dont_Surf
2 Replies
556 Views
Last post April 30, 2023, 0212 UTC
by Molvania Poacher
12 Replies
1139 Views
Last post April 30, 2023, 0147 UTC
by William Hassig
14 Replies
1169 Views
Last post April 30, 2023, 0134 UTC
by ~SIGINT~
29 Replies
2287 Views
Last post April 30, 2023, 0110 UTC
by Markokpik
4 Replies
695 Views
Last post April 29, 2023, 1645 UTC
by Kestrel
6 Replies
801 Views
Last post April 29, 2023, 1245 UTC
by hammarhead
1 Replies
374 Views
Last post April 29, 2023, 0440 UTC
by N2MLP
5 Replies
795 Views
Last post April 29, 2023, 0335 UTC
by canswl
15 Replies
1420 Views
Last post April 29, 2023, 0240 UTC
by Pigmeat
18 Replies
1398 Views
Last post April 29, 2023, 0125 UTC
by Markokpik
11 Replies
1103 Views
Last post April 28, 2023, 2353 UTC
by William Hassig
12 Replies
1261 Views
Last post April 28, 2023, 1255 UTC
by ChrisSmolinski
0 Replies
347 Views
Last post April 28, 2023, 1249 UTC
by ChrisSmolinski

 

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