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
3 Replies
546 Views
Last post August 15, 2023, 2133 UTC
by TRI International
2 Replies
661 Views
Last post August 15, 2023, 1604 UTC
by ChrisSmolinski
11 Replies
1323 Views
Last post August 14, 2023, 2232 UTC
by Chuck54
4 Replies
703 Views
Last post August 13, 2023, 2128 UTC
by dxwingr
4 Replies
646 Views
Last post August 13, 2023, 2124 UTC
by Big Badfish Al
6 Replies
895 Views
Last post August 13, 2023, 2052 UTC
by Big Badfish Al
4 Replies
714 Views
Last post August 13, 2023, 1829 UTC
by dxwingr
4 Replies
332 Views
Last post August 13, 2023, 1828 UTC
by ChrisSmolinski
0 Replies
253 Views
Last post August 13, 2023, 1327 UTC
by ChrisSmolinski
3 Replies
331 Views
Last post August 13, 2023, 1306 UTC
by ChrisSmolinski
1 Replies
347 Views
Last post August 13, 2023, 1258 UTC
by ChrisSmolinski
6 Replies
755 Views
Last post August 13, 2023, 0455 UTC
by Grumpy Grandpa
29 Replies
2445 Views
Last post August 13, 2023, 0425 UTC
by K9FIR
4 Replies
569 Views
Last post August 13, 2023, 0345 UTC
by Paul Turkk
30 Replies
2118 Views
Last post August 13, 2023, 0304 UTC
by Dag
3 Replies
518 Views
Last post August 13, 2023, 0108 UTC
by ChrisLobdell
19 Replies
1145 Views
Last post August 13, 2023, 0105 UTC
by Sarge94
15 Replies
958 Views
Last post August 13, 2023, 0016 UTC
by Big Badfish Al
16 Replies
1362 Views
Last post August 12, 2023, 1348 UTC
by ChrisLobdell
8 Replies
838 Views
Last post August 12, 2023, 0403 UTC
by Grumpy Grandpa

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns