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
587 Views
Last post December 19, 2023, 1859 UTC
by fpeconsultant
2 Replies
657 Views
Last post December 08, 2023, 0200 UTC
by myteaquinn
2 Replies
717 Views
Last post November 23, 2023, 2015 UTC
by ThaDood
0 Replies
379 Views
Last post November 22, 2023, 0323 UTC
by Josh
1 Replies
643 Views
Last post November 22, 2023, 0120 UTC
by w2nap
5 Replies
2111 Views
Last post November 12, 2023, 0646 UTC
by BoomboxDX
2 Replies
388 Views
Last post November 11, 2023, 0634 UTC
by Shortwave_Listener
2 Replies
925 Views
Last post September 26, 2023, 1225 UTC
by BoomboxDX
11 Replies
2625 Views
Last post September 09, 2023, 1559 UTC
by Teotwaki
0 Replies
484 Views
Last post September 04, 2023, 1842 UTC
by ThaDood
0 Replies
643 Views
Last post August 19, 2023, 1834 UTC
by ThaDood
1 Replies
621 Views
Last post July 30, 2023, 0212 UTC
by ~SIGINT~
4 Replies
769 Views
Last post July 02, 2023, 1954 UTC
by Pigmeat
3 Replies
933 Views
Last post June 25, 2023, 1935 UTC
by ThaDood
0 Replies
518 Views
Last post June 25, 2023, 1614 UTC
by Grinch
0 Replies
522 Views
Last post June 05, 2023, 1746 UTC
by ThaDood
0 Replies
631 Views
Last post May 18, 2023, 1759 UTC
by ThaDood
0 Replies
559 Views
Last post May 13, 2023, 1626 UTC
by Traveling Wave
1 Replies
793 Views
Last post April 30, 2023, 1718 UTC
by redhat
3 Replies
1213 Views
Last post April 10, 2023, 1649 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