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
0 Replies
425 Views
Last post November 25, 2022, 1942 UTC
by kris
0 Replies
470 Views
Last post November 26, 2022, 2145 UTC
by kris
0 Replies
436 Views
Last post November 20, 2022, 2006 UTC
by Shortwave_Listener
0 Replies
464 Views
Last post November 20, 2022, 0213 UTC
by Shortwave_Listener
0 Replies
462 Views
Last post November 07, 2022, 1647 UTC
by Shortwave_Listener
0 Replies
466 Views
Last post December 03, 2022, 1739 UTC
by Shortwave_Listener
0 Replies
440 Views
Last post November 18, 2022, 0340 UTC
by Shortwave_Listener
0 Replies
546 Views
Last post November 08, 2022, 0307 UTC
by Shortwave_Listener
0 Replies
444 Views
Last post December 02, 2022, 0511 UTC
by Shortwave_Listener
0 Replies
428 Views
Last post February 26, 2023, 0732 UTC
by Shortwave_Listener
0 Replies
431 Views
Last post December 03, 2022, 0547 UTC
by Shortwave_Listener
0 Replies
459 Views
Last post December 12, 2022, 1501 UTC
by Kai
0 Replies
455 Views
Last post January 04, 2023, 0519 UTC
by Shortwave_Listener
0 Replies
485 Views
Last post November 21, 2022, 1551 UTC
by Shortwave_Listener
3 Replies
866 Views
Last post December 02, 2022, 1956 UTC
by Pigmeat
0 Replies
460 Views
Last post November 05, 2022, 0307 UTC
by Shortwave_Listener
0 Replies
412 Views
Last post November 28, 2022, 0526 UTC
by Shortwave_Listener
0 Replies
453 Views
Last post December 01, 2022, 0505 UTC
by Shortwave_Listener
0 Replies
442 Views
Last post December 02, 2022, 1545 UTC
by Shortwave_Listener
0 Replies
411 Views
Last post January 07, 2023, 0504 UTC
by Shortwave_Listener

 

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