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
240 Views
Last post January 01, 2025, 1043 UTC
by RainBrandy
0 Replies
240 Views
Last post February 12, 2023, 1040 UTC
by Ray Lalleu
0 Replies
240 Views
Last post June 02, 2024, 1932 UTC
by Ray Lalleu
0 Replies
240 Views
Last post August 16, 2025, 0905 UTC
by Ray Lalleu
0 Replies
240 Views
Last post January 18, 2023, 2100 UTC
by Ray Lalleu
0 Replies
240 Views
Last post July 02, 2023, 1235 UTC
by Ray Lalleu
1 Replies
240 Views
Last post November 03, 2024, 1438 UTC
by europirate
0 Replies
240 Views
Last post August 16, 2025, 2214 UTC
by Ray Lalleu
1 Replies
240 Views
Last post January 14, 2024, 1529 UTC
by Ray Lalleu
0 Replies
240 Views
Last post January 27, 2023, 1617 UTC
by Ray Lalleu
0 Replies
240 Views
Last post May 04, 2025, 1244 UTC
by Benoit LEVEQUE
0 Replies
240 Views
Last post October 22, 2023, 0735 UTC
by Ray Lalleu
3 Replies
240 Views
Last post September 23, 2025, 2003 UTC
by europirate
0 Replies
240 Views
Last post March 04, 2025, 1422 UTC
by Benoit LEVEQUE
0 Replies
240 Views
Last post January 29, 2023, 0927 UTC
by Ray Lalleu
0 Replies
240 Views
Last post December 11, 2022, 0936 UTC
by Ray Lalleu
0 Replies
240 Views
Last post August 22, 2025, 1146 UTC
by Alex BLR
0 Replies
240 Views
Last post December 26, 2023, 2005 UTC
by Ray Lalleu
0 Replies
240 Views
Last post August 24, 2024, 0715 UTC
by Ray Lalleu
0 Replies
240 Views
Last post October 02, 2024, 1742 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 T-Shirt
by MitchellTimeDesigns