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
369 Views
Last post June 17, 2022, 1823 UTC
by Ray Lalleu
2 Replies
648 Views
Last post August 11, 2019, 2012 UTC
by kris
0 Replies
602 Views
Last post August 31, 2019, 1929 UTC
by Ray Lalleu
0 Replies
608 Views
Last post September 01, 2019, 1947 UTC
by Ray Lalleu
0 Replies
429 Views
Last post October 26, 2019, 2027 UTC
by Ray Lalleu
4 Replies
815 Views
Last post August 17, 2019, 1921 UTC
by Ray Lalleu
1 Replies
453 Views
Last post February 08, 2020, 1619 UTC
by Ray Lalleu
0 Replies
358 Views
Last post February 15, 2020, 1824 UTC
by Ray Lalleu
1 Replies
522 Views
Last post January 26, 2020, 1444 UTC
by Ray Lalleu
0 Replies
504 Views
Last post January 05, 2020, 1544 UTC
by kris
4 Replies
610 Views
Last post March 07, 2020, 2152 UTC
by Skipmuck
3 Replies
610 Views
Last post April 11, 2020, 2106 UTC
by kris
2 Replies
456 Views
Last post December 24, 2022, 1727 UTC
by Shortwave_Listener
5 Replies
598 Views
Last post October 30, 2022, 1339 UTC
by RainBrandy
2 Replies
594 Views
Last post May 12, 2020, 1906 UTC
by Oliver
3 Replies
652 Views
Last post April 11, 2020, 1942 UTC
by Ray Lalleu
2 Replies
567 Views
Last post August 17, 2019, 2318 UTC
by Skipmuck
2 Replies
628 Views
Last post May 09, 2020, 1930 UTC
by Jari Finland
1 Replies
307 Views
Last post September 12, 2022, 1824 UTC
by kobalts
1 Replies
427 Views
Last post February 02, 2020, 1521 UTC
by kris

 

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