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
0 Replies
561 Views
Last post May 23, 2021, 2200 UTC
by ChrisSmolinski
1 Replies
2813 Views
Last post August 05, 2019, 1615 UTC
by Leonard
3 Replies
753 Views
Last post January 11, 2022, 2043 UTC
by Josh
0 Replies
1264 Views
Last post June 29, 2017, 0301 UTC
by R4002
0 Replies
912 Views
Last post June 29, 2017, 0250 UTC
by R4002
0 Replies
1414 Views
Last post February 08, 2016, 1922 UTC
by Reverend Bow
0 Replies
466 Views
Last post August 15, 2022, 2015 UTC
by ThaDood
0 Replies
391 Views
Last post September 26, 2022, 1727 UTC
by R4002
0 Replies
974 Views
Last post July 30, 2018, 2336 UTC
by R4002
0 Replies
944 Views
Last post June 30, 2017, 1447 UTC
by R4002
0 Replies
1186 Views
Last post July 29, 2017, 1717 UTC
by R4002
0 Replies
1247 Views
Last post July 11, 2017, 2121 UTC
by R4002
8 Replies
1140 Views
Last post December 30, 2022, 2045 UTC
by HF DXER
0 Replies
1571 Views
Last post September 25, 2017, 2040 UTC
by R4002
0 Replies
463 Views
Last post November 28, 2022, 1755 UTC
by ChrisSmolinski
1 Replies
990 Views
Last post June 01, 2018, 0012 UTC
by R4002
0 Replies
807 Views
Last post December 21, 2019, 0723 UTC
by ThaDood
0 Replies
1428 Views
Last post July 13, 2017, 2106 UTC
by R4002
0 Replies
177 Views
Last post July 09, 2024, 1743 UTC
by R4002
29 Replies
3190 Views
Last post October 30, 2021, 0108 UTC
by Elf36

 

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