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
539 Views
Last post July 04, 2022, 2201 UTC
by Magnitic
2 Replies
459 Views
Last post July 01, 2022, 2141 UTC
by kris
2 Replies
503 Views
Last post July 01, 2022, 2052 UTC
by kris
2 Replies
513 Views
Last post June 25, 2022, 1707 UTC
by Shortwave_Listener
2 Replies
547 Views
Last post July 08, 2020, 2024 UTC
by Gino Italy
2 Replies
481 Views
Last post June 28, 2022, 1940 UTC
by Bricklayer
2 Replies
528 Views
Last post July 01, 2022, 2002 UTC
by Greenview
2 Replies
557 Views
Last post June 27, 2022, 1949 UTC
by kris
2 Replies
534 Views
Last post June 29, 2022, 1952 UTC
by kris
2 Replies
548 Views
Last post June 29, 2022, 1932 UTC
by Greenview
2 Replies
570 Views
Last post June 27, 2022, 2112 UTC
by Panda_NL
2 Replies
757 Views
Last post July 04, 2020, 1946 UTC
by WojtekDX
2 Replies
548 Views
Last post June 26, 2022, 1806 UTC
by Shortwave_Listener
2 Replies
599 Views
Last post June 27, 2022, 1340 UTC
by Harmony
2 Replies
532 Views
Last post June 26, 2022, 2117 UTC
by kris
2 Replies
528 Views
Last post June 25, 2022, 1630 UTC
by Panda_NL
2 Replies
580 Views
Last post December 04, 2019, 2005 UTC
by Ray Lalleu
2 Replies
516 Views
Last post June 25, 2022, 0925 UTC
by Ray Lalleu
2 Replies
728 Views
Last post December 04, 2019, 1826 UTC
by The Ether Hacker
2 Replies
433 Views
Last post June 26, 2022, 0903 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