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
839 Views
Last post September 23, 2021, 1841 UTC
by Grey Fox
3 Replies
839 Views
Last post April 07, 2018, 2145 UTC
by ChrisSmolinski
4 Replies
839 Views
Last post August 09, 2019, 1528 UTC
by The Ether Hacker
0 Replies
838 Views
Last post May 10, 2015, 2252 UTC
by ChrisSmolinski
0 Replies
838 Views
Last post November 07, 2015, 0207 UTC
by Skipmuck
3 Replies
838 Views
Last post February 07, 2022, 0038 UTC
by Ray Lalleu
0 Replies
838 Views
Last post April 15, 2017, 2341 UTC
by curious george
1 Replies
838 Views
Last post April 20, 2018, 2023 UTC
by Matt_B
1 Replies
838 Views
Last post May 02, 2018, 1926 UTC
by The Ether Hacker
2 Replies
838 Views
Last post May 12, 2018, 0025 UTC
by Ray Lalleu
4 Replies
838 Views
Last post July 28, 2020, 2229 UTC
by texas1dxer
2 Replies
838 Views
Last post September 18, 2019, 1949 UTC
by dxace1
5 Replies
837 Views
Last post October 30, 2021, 2200 UTC
by nektaman
0 Replies
837 Views
Last post October 19, 2014, 2333 UTC
by ChrisSmolinski
0 Replies
837 Views
Last post September 19, 2015, 2222 UTC
by ChrisSmolinski
0 Replies
837 Views
Last post July 09, 2017, 2152 UTC
by kris
1 Replies
837 Views
Last post November 29, 2024, 1711 UTC
by Alaska_CZ
5 Replies
837 Views
Last post April 10, 2021, 1744 UTC
by Bali_Frank
2 Replies
837 Views
Last post August 08, 2018, 1955 UTC
by dxace1
4 Replies
837 Views
Last post April 27, 2019, 2109 UTC
by kris

 

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