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
568 Views
Last post January 21, 2022, 2122 UTC
by kris
2 Replies
498 Views
Last post April 02, 2020, 1710 UTC
by Ray Lalleu
2 Replies
499 Views
Last post April 02, 2020, 1631 UTC
by kris
2 Replies
663 Views
Last post April 01, 2020, 2111 UTC
by Ray Lalleu
2 Replies
581 Views
Last post April 01, 2020, 2006 UTC
by KaySeeks
2 Replies
537 Views
Last post January 23, 2022, 1139 UTC
by FOX
2 Replies
551 Views
Last post January 23, 2022, 1531 UTC
by dxace1
2 Replies
609 Views
Last post March 31, 2020, 2302 UTC
by Radio Star
2 Replies
500 Views
Last post March 31, 2020, 2159 UTC
by Skipmuck
2 Replies
478 Views
Last post January 23, 2022, 1029 UTC
by Bali_Frank
2 Replies
546 Views
Last post January 23, 2022, 1106 UTC
by FOX
2 Replies
649 Views
Last post January 22, 2022, 1720 UTC
by The Ether Hacker
2 Replies
605 Views
Last post March 30, 2020, 1901 UTC
by FOX
2 Replies
513 Views
Last post January 22, 2022, 2227 UTC
by Zeewolf
2 Replies
552 Views
Last post January 22, 2022, 1153 UTC
by Bricklayer
2 Replies
514 Views
Last post January 16, 2022, 1340 UTC
by Ray Lalleu
2 Replies
547 Views
Last post January 15, 2022, 1447 UTC
by TRI International
2 Replies
480 Views
Last post March 29, 2020, 1753 UTC
by kris
2 Replies
535 Views
Last post March 29, 2020, 1437 UTC
by ukdxer
2 Replies
655 Views
Last post January 18, 2022, 0124 UTC
by CoolAM Radio

 

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