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
469 Views
Last post November 16, 2019, 1558 UTC
by dandan22
1 Replies
469 Views
Last post May 19, 2019, 0026 UTC
by Davep
2 Replies
469 Views
Last post August 18, 2020, 1840 UTC
by kris
1 Replies
469 Views
Last post November 06, 2021, 0951 UTC
by Bali_Frank
1 Replies
469 Views
Last post October 03, 2018, 1741 UTC
by Oliver
4 Replies
469 Views
Last post April 16, 2024, 0719 UTC
by Fisherman
2 Replies
469 Views
Last post December 04, 2021, 1835 UTC
by europirate
2 Replies
469 Views
Last post February 22, 2020, 1816 UTC
by Ray Lalleu
0 Replies
469 Views
Last post August 31, 2018, 2054 UTC
by Ray Lalleu
3 Replies
469 Views
Last post June 26, 2020, 1956 UTC
by ukdxer
1 Replies
469 Views
Last post August 11, 2018, 2204 UTC
by kris
1 Replies
469 Views
Last post July 24, 2018, 2017 UTC
by KaySeeks
1 Replies
469 Views
Last post January 22, 2021, 2247 UTC
by kris
2 Replies
470 Views
Last post July 04, 2021, 1211 UTC
by Ray Lalleu
1 Replies
470 Views
Last post June 09, 2019, 1925 UTC
by Ray Lalleu
2 Replies
470 Views
Last post September 15, 2021, 1656 UTC
by Ray Lalleu
1 Replies
470 Views
Last post May 27, 2019, 1947 UTC
by kris
2 Replies
470 Views
Last post December 13, 2019, 1630 UTC
by Ray Lalleu
2 Replies
470 Views
Last post September 21, 2021, 2056 UTC
by dxace1
2 Replies
470 Views
Last post June 28, 2021, 2115 UTC
by Pravotorov

 

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