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
456 Views
Last post November 18, 2018, 0919 UTC
by Ray Lalleu
0 Replies
488 Views
Last post July 28, 2019, 2141 UTC
by Ray Lalleu
0 Replies
494 Views
Last post November 18, 2018, 0923 UTC
by Ray Lalleu
0 Replies
368 Views
Last post November 18, 2018, 1220 UTC
by ChrisSmolinski
1 Replies
438 Views
Last post November 02, 2021, 1158 UTC
by Bali_Frank
0 Replies
406 Views
Last post January 22, 2021, 1645 UTC
by Ray Lalleu
2 Replies
655 Views
Last post December 20, 2020, 2226 UTC
by Ray Lalleu
4 Replies
822 Views
Last post April 11, 2020, 2028 UTC
by Brian
0 Replies
401 Views
Last post January 22, 2021, 1649 UTC
by Ray Lalleu
1 Replies
454 Views
Last post November 05, 2021, 2012 UTC
by kris
22 Replies
3458 Views
Last post April 29, 2021, 0726 UTC
by dave1965
1 Replies
1244 Views
Last post March 18, 2014, 2008 UTC
by oly1959
2 Replies
622 Views
Last post November 16, 2019, 1451 UTC
by The Ether Hacker
2 Replies
549 Views
Last post September 19, 2020, 2250 UTC
by kris
4 Replies
867 Views
Last post September 19, 2020, 2009 UTC
by kris
3 Replies
999 Views
Last post August 04, 2019, 0032 UTC
by texas1dxer
2 Replies
443 Views
Last post December 12, 2022, 1149 UTC
by Kai
2 Replies
346 Views
Last post December 13, 2022, 1159 UTC
by kris
0 Replies
250 Views
Last post December 13, 2022, 1155 UTC
by Ray Lalleu
0 Replies
248 Views
Last post December 04, 2022, 0909 UTC
by Ray Lalleu

 

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