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
85 Views
Last post February 14, 2025, 1828 UTC
by Ray Lalleu
1 Replies
85 Views
Last post March 14, 2025, 1541 UTC
by Alex BLR
0 Replies
85 Views
Last post February 14, 2025, 1736 UTC
by Ray Lalleu
1 Replies
85 Views
Last post March 14, 2025, 2053 UTC
by Ronald_Mullis
0 Replies
85 Views
Last post February 09, 2025, 2030 UTC
by Ray Lalleu
0 Replies
85 Views
Last post November 10, 2024, 0820 UTC
by Ray Lalleu
1 Replies
86 Views
Last post March 08, 2025, 1040 UTC
by Alex BLR
0 Replies
86 Views
Last post February 23, 2025, 0902 UTC
by Ray Lalleu
0 Replies
86 Views
Last post December 28, 2024, 1628 UTC
by Ray Lalleu
0 Replies
86 Views
Last post January 26, 2025, 1118 UTC
by europirate
0 Replies
86 Views
Last post February 14, 2025, 1731 UTC
by Ray Lalleu
0 Replies
86 Views
Last post January 12, 2025, 0739 UTC
by Ray Lalleu
0 Replies
86 Views
Last post November 16, 2024, 0841 UTC
by Ray Lalleu
0 Replies
86 Views
Last post October 06, 2024, 0735 UTC
by Ray Lalleu
0 Replies
86 Views
Last post December 15, 2024, 1602 UTC
by Ray Lalleu
0 Replies
86 Views
Last post December 29, 2024, 1106 UTC
by TRI International
0 Replies
86 Views
Last post December 28, 2024, 0901 UTC
by Ray Lalleu
0 Replies
86 Views
Last post March 03, 2025, 1902 UTC
by dave1965
0 Replies
86 Views
Last post January 31, 2025, 2306 UTC
by Ray Lalleu
0 Replies
86 Views
Last post February 09, 2025, 1955 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 Garden Flag
by MitchellTimeDesigns