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
474 Views
Last post August 15, 2021, 1240 UTC
by kris
0 Replies
1094 Views
Last post June 13, 2017, 2038 UTC
by kris
2 Replies
808 Views
Last post July 26, 2019, 2133 UTC
by cj468
0 Replies
312 Views
Last post December 16, 2020, 1404 UTC
by kris
0 Replies
372 Views
Last post April 18, 2022, 1110 UTC
by kris
0 Replies
934 Views
Last post January 05, 2018, 1521 UTC
by kris
2 Replies
658 Views
Last post March 14, 2022, 2239 UTC
by Ray Lalleu
2 Replies
639 Views
Last post June 15, 2019, 2006 UTC
by Ray Lalleu
1 Replies
304 Views
Last post March 01, 2023, 1401 UTC
by Ray Lalleu
2 Replies
343 Views
Last post January 16, 2025, 1752 UTC
by Ray Lalleu
4 Replies
652 Views
Last post September 15, 2021, 2153 UTC
by raypfaff
0 Replies
225 Views
Last post September 15, 2024, 1913 UTC
by kris
3 Replies
444 Views
Last post January 28, 2023, 0828 UTC
by Ray Lalleu
1 Replies
612 Views
Last post March 26, 2019, 1613 UTC
by Ray Lalleu
3 Replies
642 Views
Last post November 25, 2022, 2028 UTC
by muromdx
3 Replies
764 Views
Last post October 14, 2021, 1912 UTC
by kobalts
1 Replies
310 Views
Last post October 02, 2022, 1446 UTC
by Ray Lalleu
3 Replies
563 Views
Last post January 16, 2022, 1400 UTC
by Magnitic
1 Replies
359 Views
Last post June 24, 2020, 2111 UTC
by Ray Lalleu
0 Replies
417 Views
Last post December 29, 2020, 1124 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 T-Shirt
by MitchellTimeDesigns