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 permissable in your locale.

Subject / Started by Last post
1 Replies
1504 Views
Last post April 27, 2018, 1109 UTC
by Σ
0 Replies
1548 Views
Last post June 28, 2018, 0027 UTC
by dxace1
5 Replies
1624 Views
Last post February 26, 2022, 1608 UTC
by ImageradioUK
3 Replies
1645 Views
Last post August 29, 2018, 1822 UTC
by jta
1 Replies
1648 Views
Last post February 23, 2018, 0758 UTC
by Stretchyman
0 Replies
1672 Views
Last post August 18, 2018, 0156 UTC
by Azimuth Coordinator
1 Replies
1698 Views
Last post January 08, 2019, 1613 UTC
by CoolAM Radio
0 Replies
1702 Views
Last post November 18, 2018, 2021 UTC
by jta
2 Replies
1763 Views
Last post November 30, 2019, 1738 UTC
by Stretchyman
2 Replies
1770 Views
Last post September 07, 2018, 2308 UTC
by Josh
0 Replies
1788 Views
Last post January 23, 2019, 1314 UTC
by IQ_imbalance
2 Replies
1822 Views
Last post November 05, 2017, 2130 UTC
by redhat
0 Replies
1875 Views
Last post November 24, 2018, 2114 UTC
by ChrisSmolinski
3 Replies
1886 Views
Last post September 24, 2019, 1941 UTC
by Josh
0 Replies
1955 Views
Last post August 26, 2019, 1613 UTC
by ChrisSmolinski
4 Replies
1983 Views
Last post May 01, 2018, 0819 UTC
by Stretchyman
4 Replies
2023 Views
Last post February 29, 2020, 1959 UTC
by Antennae
1 Replies
2067 Views
Last post July 22, 2017, 1619 UTC
by HulkSmash
3 Replies
2175 Views
Last post October 14, 2019, 0251 UTC
by Pigmeat
0 Replies
2211 Views
Last post August 18, 2019, 1034 UTC
by Stretchyman

 

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