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
296 Views
Last post January 24, 2024, 1729 UTC
by kris
0 Replies
296 Views
Last post May 30, 2025, 2253 UTC
by Ray Lalleu
2 Replies
296 Views
Last post September 07, 2024, 2342 UTC
by kris
0 Replies
296 Views
Last post November 03, 2020, 2134 UTC
by Ray Lalleu
1 Replies
296 Views
Last post May 16, 2023, 2145 UTC
by kris
1 Replies
296 Views
Last post April 23, 2023, 0859 UTC
by Ray Lalleu
0 Replies
296 Views
Last post February 01, 2024, 0954 UTC
by Ray Lalleu
0 Replies
296 Views
Last post October 27, 2022, 1439 UTC
by Misti-Radio
0 Replies
296 Views
Last post October 11, 2020, 1418 UTC
by Ray Lalleu
1 Replies
296 Views
Last post August 21, 2024, 1935 UTC
by Ray Lalleu
1 Replies
296 Views
Last post September 22, 2024, 1733 UTC
by Fisherman
1 Replies
296 Views
Last post August 21, 2022, 0918 UTC
by Ray Lalleu
1 Replies
296 Views
Last post December 28, 2022, 1950 UTC
by Ray Lalleu
1 Replies
296 Views
Last post August 20, 2024, 1907 UTC
by Fisherman
1 Replies
296 Views
Last post July 19, 2024, 2051 UTC
by Grey Fox
0 Replies
296 Views
Last post August 21, 2022, 1726 UTC
by Ray Lalleu
0 Replies
295 Views
Last post December 19, 2020, 0809 UTC
by Ray Lalleu
1 Replies
295 Views
Last post November 17, 2022, 1405 UTC
by Ethernut
0 Replies
295 Views
Last post December 25, 2020, 1524 UTC
by Ray Lalleu
1 Replies
295 Views
Last post March 04, 2023, 2040 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 Garden Flag
by MitchellTimeDesigns