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
3 Replies
731 Views
Last post May 12, 2020, 1841 UTC
by kris
4 Replies
781 Views
Last post August 22, 2020, 2238 UTC
by Curt
2 Replies
825 Views
Last post October 26, 2024, 0511 UTC
by Professor
1 Replies
412 Views
Last post September 06, 2020, 0902 UTC
by Ray Lalleu
0 Replies
280 Views
Last post May 19, 2023, 1053 UTC
by FOX
1 Replies
296 Views
Last post July 27, 2024, 0822 UTC
by Ray Lalleu
1 Replies
446 Views
Last post May 03, 2020, 1031 UTC
by Ray Lalleu
1 Replies
612 Views
Last post August 13, 2024, 1728 UTC
by Ray Lalleu
2 Replies
590 Views
Last post September 30, 2020, 2057 UTC
by Ray Lalleu
2 Replies
620 Views
Last post January 30, 2022, 0906 UTC
by Ray Lalleu
1 Replies
329 Views
Last post December 01, 2024, 1949 UTC
by Ray Lalleu
1 Replies
546 Views
Last post July 09, 2024, 0837 UTC
by Ray Lalleu
1 Replies
583 Views
Last post March 28, 2022, 1655 UTC
by Ray Lalleu
1 Replies
282 Views
Last post May 21, 2023, 0923 UTC
by europirate
3 Replies
454 Views
Last post May 12, 2024, 2056 UTC
by kris
1 Replies
396 Views
Last post July 28, 2024, 1523 UTC
by TRI International
1 Replies
334 Views
Last post November 17, 2023, 2135 UTC
by Ray Lalleu
1 Replies
469 Views
Last post May 04, 2020, 1825 UTC
by Ray Lalleu
1 Replies
499 Views
Last post July 16, 2021, 1338 UTC
by Bali_Frank
0 Replies
368 Views
Last post October 22, 2023, 1514 UTC
by FOX

 

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