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
6 Replies
611 Views
Last post August 07, 2023, 2304 UTC
by hsmith77
0 Replies
333 Views
Last post August 07, 2023, 0352 UTC
by Shortwave_Listener
7 Replies
930 Views
Last post August 07, 2023, 0248 UTC
by nitroengine
11 Replies
988 Views
Last post August 07, 2023, 0111 UTC
by Flamin' Groovies
12 Replies
1099 Views
Last post August 06, 2023, 2343 UTC
by Ken Miller
1 Replies
374 Views
Last post August 06, 2023, 2118 UTC
by Ron - Calif.
3 Replies
548 Views
Last post August 06, 2023, 1639 UTC
by hammarhead
15 Replies
1456 Views
Last post August 06, 2023, 1523 UTC
by ChrisSmolinski
7 Replies
688 Views
Last post August 06, 2023, 1511 UTC
by Big Badfish Al
0 Replies
284 Views
Last post August 06, 2023, 1507 UTC
by ChrisSmolinski
7 Replies
871 Views
Last post August 06, 2023, 1235 UTC
by ROKFRED
2 Replies
367 Views
Last post August 06, 2023, 0301 UTC
by Molvania Poacher
4 Replies
536 Views
Last post August 06, 2023, 0248 UTC
by Skipmuck
14 Replies
1235 Views
Last post August 06, 2023, 0156 UTC
by BigAl
1 Replies
429 Views
Last post August 05, 2023, 1923 UTC
by N2MLP
3 Replies
499 Views
Last post August 05, 2023, 0345 UTC
by ChrisLobdell
8 Replies
838 Views
Last post August 05, 2023, 0315 UTC
by hsmith77
12 Replies
1013 Views
Last post August 05, 2023, 0157 UTC
by Shortwave_Listener
6 Replies
625 Views
Last post August 04, 2023, 2124 UTC
by N2MLP
0 Replies
282 Views
Last post August 04, 2023, 1837 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 Garden Flag
by MitchellTimeDesigns