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
353 Views
Last post November 12, 2023, 2121 UTC
by kris
1 Replies
532 Views
Last post November 21, 2021, 1839 UTC
by Bali_Frank
0 Replies
998 Views
Last post January 29, 2018, 0003 UTC
by Ray Lalleu
0 Replies
156 Views
Last post February 16, 2025, 1105 UTC
by Ray Lalleu
1 Replies
567 Views
Last post February 14, 2024, 2125 UTC
by EagleWave
0 Replies
219 Views
Last post March 31, 2023, 1940 UTC
by Ray Lalleu
0 Replies
392 Views
Last post March 01, 2022, 0923 UTC
by Ray Lalleu
0 Replies
479 Views
Last post June 07, 2020, 2129 UTC
by Ray Lalleu
0 Replies
445 Views
Last post July 25, 2019, 1429 UTC
by Ray Lalleu
4 Replies
689 Views
Last post August 15, 2021, 0203 UTC
by R. Comeau
0 Replies
420 Views
Last post November 22, 2019, 1708 UTC
by Ray Lalleu
0 Replies
317 Views
Last post January 23, 2021, 1340 UTC
by Ray Lalleu
0 Replies
370 Views
Last post March 23, 2019, 2018 UTC
by Ray Lalleu
0 Replies
195 Views
Last post March 22, 2024, 1754 UTC
by Ray Lalleu
0 Replies
284 Views
Last post July 22, 2020, 0903 UTC
by Ray Lalleu
0 Replies
533 Views
Last post May 25, 2018, 2043 UTC
by Ray Lalleu
0 Replies
354 Views
Last post September 27, 2021, 1516 UTC
by Ray Lalleu
0 Replies
418 Views
Last post October 26, 2020, 0844 UTC
by Ray Lalleu
2 Replies
544 Views
Last post October 21, 2018, 2020 UTC
by ChrisSmolinski
0 Replies
145 Views
Last post December 15, 2024, 1604 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 T-Shirt
by MitchellTimeDesigns