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
1 Replies
911 Views
Last post July 30, 2018, 2146 UTC
by flexoman61
9395 KHz WRMI

Started by Teotwaki

0 Replies
911 Views
Last post July 17, 2019, 0349 UTC
by Teotwaki
1 Replies
911 Views
Last post December 08, 2019, 0457 UTC
by East Troy Don
Radio Santa Cruz

Started by MDK2

0 Replies
911 Views
Last post July 28, 2016, 0204 UTC
by MDK2
1 Replies
911 Views
Last post May 10, 2019, 0021 UTC
by Matt285
0 Replies
911 Views
Last post February 21, 2016, 0916 UTC
by Daniel Wyllyans
0 Replies
911 Views
Last post June 21, 2015, 0037 UTC
by VK3BVW
1 Replies
912 Views
Last post February 12, 2024, 0412 UTC
by Paul B. Walker, Jr.
ZBC

Started by Gaeill

0 Replies
912 Views
Last post July 20, 2017, 1735 UTC
by Gaeill
3 Replies
912 Views
Last post December 26, 2024, 1627 UTC
by Paul B. Walker, Jr.
2 Replies
912 Views
Last post May 29, 2018, 2137 UTC
by [tRMZ]
2 Replies
912 Views
Last post August 18, 2020, 0231 UTC
by East Troy Don
0 Replies
913 Views
Last post October 20, 2016, 2255 UTC
by Daniel Wyllyans
0 Replies
913 Views
Last post September 15, 2016, 0454 UTC
by VK3BVW
0 Replies
913 Views
Last post August 24, 2019, 0933 UTC
by Ct Yankee
0 Replies
913 Views
Last post December 23, 2018, 1210 UTC
by Ct Yankee
0 Replies
913 Views
Last post May 28, 2014, 0026 UTC
by VK3BVW
0 Replies
914 Views
Last post December 28, 2019, 1914 UTC
by Josh
2 Replies
914 Views
Last post April 07, 2022, 1825 UTC
by Ron - Calif.
1 Replies
914 Views
Last post July 08, 2018, 1711 UTC
by Ct Yankee

 

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