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
795 Views
Last post June 02, 2022, 1437 UTC
by Ray Lalleu
1 Replies
550 Views
Last post December 23, 2022, 2009 UTC
by Bricklayer
0 Replies
504 Views
Last post December 03, 2022, 2115 UTC
by Shortwave_Listener
0 Replies
513 Views
Last post February 10, 2023, 1909 UTC
by Ray Lalleu
0 Replies
520 Views
Last post February 20, 2023, 2034 UTC
by Ray Lalleu
0 Replies
1748 Views
Last post September 04, 2018, 2128 UTC
by kris
0 Replies
476 Views
Last post November 03, 2023, 2157 UTC
by europirate
1 Replies
731 Views
Last post October 22, 2023, 2032 UTC
by ralf_bender
0 Replies
511 Views
Last post December 05, 2022, 2334 UTC
by kris
4 Replies
2757 Views
Last post March 05, 2020, 1642 UTC
by kris
0 Replies
413 Views
Last post December 21, 2024, 2238 UTC
by Jari Finland
0 Replies
471 Views
Last post January 05, 2023, 2242 UTC
by Ray Lalleu
0 Replies
505 Views
Last post January 16, 2023, 2324 UTC
by ukdxer
0 Replies
471 Views
Last post February 10, 2023, 2327 UTC
by Ray Lalleu
0 Replies
514 Views
Last post January 21, 2023, 2253 UTC
by Ray Lalleu
0 Replies
536 Views
Last post January 31, 2023, 2222 UTC
by Ray Lalleu
0 Replies
400 Views
Last post February 16, 2023, 2220 UTC
by Ray Lalleu
0 Replies
498 Views
Last post February 03, 2023, 2210 UTC
by Ray Lalleu
0 Replies
445 Views
Last post February 04, 2023, 2145 UTC
by Ray Lalleu
0 Replies
445 Views
Last post January 26, 2023, 2053 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