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
413 Views
Last post December 02, 2021, 0006 UTC
by kris
1 Replies
372 Views
Last post November 23, 2023, 0844 UTC
by Ray Lalleu
1 Replies
1179 Views
Last post August 22, 2017, 2044 UTC
by Ray Lalleu
1 Replies
395 Views
Last post March 25, 2021, 1905 UTC
by Ray Lalleu
1 Replies
496 Views
Last post March 08, 2022, 1706 UTC
by Ray Lalleu
1 Replies
415 Views
Last post July 01, 2020, 2145 UTC
by Ray Lalleu
1 Replies
450 Views
Last post May 11, 2022, 1829 UTC
by Ray Lalleu
2 Replies
500 Views
Last post June 04, 2021, 2125 UTC
by Ray Lalleu
0 Replies
520 Views
Last post May 18, 2018, 2051 UTC
by kris
1 Replies
314 Views
Last post February 13, 2025, 1556 UTC
by Ray Lalleu
3 Replies
459 Views
Last post May 25, 2024, 1210 UTC
by Benoit LEVEQUE
1 Replies
547 Views
Last post May 20, 2019, 1833 UTC
by Ray Lalleu
0 Replies
252 Views
Last post December 10, 2022, 1006 UTC
by kris
0 Replies
210 Views
Last post August 10, 2023, 1311 UTC
by kris
1 Replies
308 Views
Last post October 10, 2024, 1741 UTC
by Ray Lalleu
3 Replies
698 Views
Last post July 06, 2021, 2145 UTC
by Panda_NL
1 Replies
306 Views
Last post February 24, 2023, 1619 UTC
by Ray Lalleu
0 Replies
512 Views
Last post April 28, 2022, 2357 UTC
by kris
2 Replies
558 Views
Last post February 27, 2021, 1536 UTC
by Ray Lalleu
0 Replies
223 Views
Last post September 16, 2023, 1536 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