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
23 Replies
1909 Views
Last post September 17, 2023, 0315 UTC
by Markokpik
7 Replies
722 Views
Last post September 17, 2023, 0252 UTC
by Markokpik
23 Replies
2585 Views
Last post September 17, 2023, 0130 UTC
by intellman
20 Replies
2308 Views
Last post September 17, 2023, 0115 UTC
by ~SIGINT~
2 Replies
586 Views
Last post September 17, 2023, 0048 UTC
by Molvania Poacher
0 Replies
356 Views
Last post September 16, 2023, 1736 UTC
by ChrisSmolinski
0 Replies
281 Views
Last post September 16, 2023, 1228 UTC
by ChrisSmolinski
13 Replies
1399 Views
Last post September 16, 2023, 1216 UTC
by ChrisSmolinski
23 Replies
2293 Views
Last post September 16, 2023, 1216 UTC
by ChrisSmolinski
13 Replies
1375 Views
Last post September 16, 2023, 1215 UTC
by ChrisSmolinski
16 Replies
1578 Views
Last post September 16, 2023, 1215 UTC
by ChrisSmolinski
26 Replies
2798 Views
Last post September 16, 2023, 0053 UTC
by blw
17 Replies
1834 Views
Last post September 16, 2023, 0008 UTC
by dxace1
0 Replies
281 Views
Last post September 16, 2023, 0004 UTC
by DangerKitty
17 Replies
2138 Views
Last post September 15, 2023, 0126 UTC
by hsmith77
2 Replies
518 Views
Last post September 14, 2023, 2346 UTC
by N2MLP
9 Replies
994 Views
Last post September 14, 2023, 2234 UTC
by Brixx
0 Replies
311 Views
Last post September 14, 2023, 2219 UTC
by DangerKitty
2 Replies
445 Views
Last post September 14, 2023, 2145 UTC
by TRI International
3 Replies
656 Views
Last post September 14, 2023, 1532 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