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
508 Views
Last post January 19, 2021, 0003 UTC
by kris
0 Replies
407 Views
Last post March 17, 2019, 2006 UTC
by Ray Lalleu
0 Replies
247 Views
Last post March 18, 2024, 0850 UTC
by Ray Lalleu
0 Replies
323 Views
Last post July 18, 2020, 0608 UTC
by Ray Lalleu
1 Replies
461 Views
Last post July 16, 2019, 1708 UTC
by ukdxer
0 Replies
492 Views
Last post May 19, 2018, 2056 UTC
by Ray Lalleu
0 Replies
367 Views
Last post June 20, 2025, 2147 UTC
by Ray Lalleu
0 Replies
196 Views
Last post September 15, 2023, 1659 UTC
by Ray Lalleu
0 Replies
387 Views
Last post July 08, 2022, 0811 UTC
by Ray Lalleu
1 Replies
456 Views
Last post September 25, 2021, 1308 UTC
by Bali_Frank
0 Replies
260 Views
Last post October 24, 2020, 1021 UTC
by Ray Lalleu
0 Replies
406 Views
Last post January 10, 2020, 2112 UTC
by Ray Lalleu
0 Replies
461 Views
Last post October 19, 2018, 1551 UTC
by Ray Lalleu
1 Replies
217 Views
Last post December 13, 2024, 1717 UTC
by Alaska_CZ
1 Replies
544 Views
Last post December 24, 2023, 1139 UTC
by m3ozp1
0 Replies
418 Views
Last post December 27, 2021, 2243 UTC
by Ray Lalleu
0 Replies
315 Views
Last post April 18, 2020, 1901 UTC
by Ray Lalleu
0 Replies
250 Views
Last post May 13, 2023, 1022 UTC
by Ray Lalleu
0 Replies
406 Views
Last post June 05, 2021, 1850 UTC
by Ray Lalleu
1 Replies
470 Views
Last post September 13, 2019, 2004 UTC
by dxace1

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns