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
1 Replies
494 Views
Last post June 08, 2022, 1732 UTC
by kris
0 Replies
344 Views
Last post October 04, 2022, 1718 UTC
by Ray Lalleu
1 Replies
415 Views
Last post December 28, 2022, 1722 UTC
by Shortwave_Listener
1 Replies
384 Views
Last post August 29, 2022, 1933 UTC
by kris
1 Replies
466 Views
Last post September 12, 2022, 1947 UTC
by kris
3 Replies
662 Views
Last post September 08, 2022, 2235 UTC
by Skipmuck
1 Replies
444 Views
Last post September 22, 2022, 1830 UTC
by kris
0 Replies
403 Views
Last post August 08, 2022, 1708 UTC
by Ray Lalleu
1 Replies
546 Views
Last post April 09, 2022, 1751 UTC
by ukdxer
2 Replies
777 Views
Last post January 03, 2022, 2141 UTC
by kris
3 Replies
731 Views
Last post August 22, 2021, 1952 UTC
by kris
1 Replies
608 Views
Last post August 29, 2021, 1650 UTC
by kris
2 Replies
726 Views
Last post September 19, 2021, 1811 UTC
by Grey Fox
3 Replies
720 Views
Last post September 05, 2021, 1819 UTC
by iw2nzr
0 Replies
442 Views
Last post September 26, 2021, 1620 UTC
by Ray Lalleu
2 Replies
783 Views
Last post July 17, 2021, 2057 UTC
by kris
2 Replies
588 Views
Last post August 24, 2021, 1930 UTC
by raypfaff
1 Replies
575 Views
Last post September 01, 2021, 1752 UTC
by Bali_Frank
2 Replies
549 Views
Last post August 27, 2021, 1752 UTC
by Bali_Frank
1 Replies
603 Views
Last post August 26, 2021, 1713 UTC
by Bali_Frank

 

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