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
2 Replies
799 Views
Last post December 22, 2018, 2242 UTC
by Ray Lalleu
4 Replies
1118 Views
Last post August 09, 2018, 0815 UTC
by Ray Lalleu
0 Replies
403 Views
Last post December 14, 2023, 0930 UTC
by kris
8 Replies
924 Views
Last post August 22, 2020, 2237 UTC
by ukdxer
1 Replies
762 Views
Last post November 26, 2018, 2119 UTC
by Ray Lalleu
2 Replies
473 Views
Last post June 16, 2024, 2050 UTC
by Ray Lalleu
0 Replies
503 Views
Last post November 28, 2023, 1620 UTC
by kris
1 Replies
349 Views
Last post April 13, 2023, 1753 UTC
by Ray Lalleu
0 Replies
229 Views
Last post May 17, 2025, 1846 UTC
by kris
2 Replies
604 Views
Last post September 15, 2019, 1928 UTC
by KaySeeks
2 Replies
388 Views
Last post September 05, 2022, 0706 UTC
by Ray Lalleu
0 Replies
344 Views
Last post February 02, 2024, 0832 UTC
by kris
0 Replies
252 Views
Last post July 11, 2023, 1859 UTC
by kris
1 Replies
521 Views
Last post July 27, 2021, 2203 UTC
by Grey Fox
0 Replies
350 Views
Last post August 13, 2022, 1514 UTC
by kris
1 Replies
497 Views
Last post August 26, 2021, 2244 UTC
by Ray Lalleu
1 Replies
370 Views
Last post July 26, 2022, 1809 UTC
by Ray Lalleu
2 Replies
465 Views
Last post February 07, 2023, 1551 UTC
by Ray Lalleu
0 Replies
223 Views
Last post February 12, 2024, 0739 UTC
by kris
0 Replies
406 Views
Last post April 04, 2022, 2023 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