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
415 Views
Last post February 06, 2023, 2151 UTC
by ralf_bender
0 Replies
415 Views
Last post May 08, 2023, 1331 UTC
by Ray Lalleu
0 Replies
414 Views
Last post September 01, 2022, 2033 UTC
by kris
0 Replies
414 Views
Last post November 26, 2022, 2145 UTC
by kris
0 Replies
414 Views
Last post February 13, 2025, 1921 UTC
by europirate
1 Replies
414 Views
Last post January 31, 2023, 2120 UTC
by Ray Lalleu
0 Replies
414 Views
Last post February 03, 2023, 0416 UTC
by Shortwave_Listener
0 Replies
414 Views
Last post January 26, 2025, 2024 UTC
by europirate
0 Replies
414 Views
Last post June 29, 2025, 2042 UTC
by europirate
0 Replies
413 Views
Last post October 23, 2022, 1750 UTC
by Shortwave_Listener
0 Replies
413 Views
Last post September 27, 2024, 1947 UTC
by europirate
0 Replies
413 Views
Last post June 13, 2024, 0820 UTC
by TRI International
0 Replies
413 Views
Last post February 19, 2025, 1048 UTC
by TRI International
0 Replies
413 Views
Last post December 31, 2023, 1210 UTC
by TRI International
0 Replies
413 Views
Last post March 11, 2023, 2103 UTC
by Ray Lalleu
0 Replies
412 Views
Last post October 02, 2022, 2058 UTC
by ralf_bender
0 Replies
412 Views
Last post October 20, 2022, 2318 UTC
by kris
0 Replies
412 Views
Last post January 05, 2025, 2000 UTC
by europirate
0 Replies
412 Views
Last post February 03, 2023, 1912 UTC
by kris
0 Replies
412 Views
Last post April 27, 2023, 2132 UTC
by Ray Lalleu

 

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