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
3 Replies
306 Views
Last post December 07, 2024, 1507 UTC
by Grey Fox
1 Replies
306 Views
Last post October 04, 2024, 2140 UTC
by Ray Lalleu
2 Replies
306 Views
Last post October 03, 2024, 2114 UTC
by Ray Lalleu
1 Replies
306 Views
Last post June 07, 2024, 2202 UTC
by Fisherman
1 Replies
306 Views
Last post May 05, 2024, 1942 UTC
by TRI International
1 Replies
306 Views
Last post March 08, 2024, 1935 UTC
by Ray Lalleu
1 Replies
306 Views
Last post March 01, 2024, 1617 UTC
by Ray Lalleu
1 Replies
306 Views
Last post February 13, 2024, 0948 UTC
by Fisherman
1 Replies
306 Views
Last post February 12, 2024, 1839 UTC
by Fisherman
1 Replies
306 Views
Last post January 06, 2024, 1200 UTC
by Fisherman
1 Replies
306 Views
Last post December 03, 2023, 2327 UTC
by kris
3 Replies
306 Views
Last post November 19, 2023, 1127 UTC
by kris
1 Replies
306 Views
Last post October 20, 2023, 1224 UTC
by Ray Lalleu
1 Replies
306 Views
Last post October 08, 2023, 0001 UTC
by Shortwave_Listener
1 Replies
306 Views
Last post September 29, 2023, 2306 UTC
by Ray Lalleu
1 Replies
306 Views
Last post August 14, 2023, 1759 UTC
by Magnitic
1 Replies
306 Views
Last post July 01, 2023, 1921 UTC
by Ray Lalleu
1 Replies
306 Views
Last post May 16, 2023, 1822 UTC
by Ray Lalleu
2 Replies
306 Views
Last post April 28, 2023, 1847 UTC
by dxace1
4 Replies
306 Views
Last post April 09, 2023, 0917 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 Garden Flag
by MitchellTimeDesigns