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
516 Views
Last post November 22, 2019, 2307 UTC
by The Ether Hacker
1 Replies
319 Views
Last post November 04, 2024, 1623 UTC
by TRI International
0 Replies
381 Views
Last post January 23, 2021, 1434 UTC
by Ray Lalleu
0 Replies
352 Views
Last post April 07, 2022, 2034 UTC
by Ray Lalleu
0 Replies
338 Views
Last post July 22, 2020, 1836 UTC
by Ray Lalleu
0 Replies
485 Views
Last post May 25, 2018, 2140 UTC
by Ray Lalleu
0 Replies
330 Views
Last post September 19, 2023, 1534 UTC
by Ray Lalleu
1 Replies
502 Views
Last post January 18, 2020, 1006 UTC
by R319
3 Replies
715 Views
Last post October 21, 2018, 2123 UTC
by kris
0 Replies
387 Views
Last post April 21, 2020, 1831 UTC
by Ray Lalleu
1 Replies
464 Views
Last post May 07, 2019, 1858 UTC
by Ray Lalleu
0 Replies
281 Views
Last post May 08, 2024, 2027 UTC
by Ray Lalleu
0 Replies
379 Views
Last post September 17, 2019, 1816 UTC
by Ray Lalleu
0 Replies
270 Views
Last post September 08, 2022, 1940 UTC
by Ray Lalleu
1 Replies
442 Views
Last post December 01, 2020, 1909 UTC
by kris
0 Replies
463 Views
Last post December 22, 2018, 1016 UTC
by Ray Lalleu
0 Replies
238 Views
Last post February 03, 2024, 0838 UTC
by Ray Lalleu
2 Replies
560 Views
Last post February 13, 2022, 1045 UTC
by europirate
0 Replies
430 Views
Last post May 24, 2020, 0940 UTC
by Ray Lalleu
1 Replies
202 Views
Last post May 05, 2025, 1836 UTC
by europirate

 

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