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
201 Views
Last post February 02, 2025, 1644 UTC
by PATRICE D PRIVAT
0 Replies
201 Views
Last post February 12, 2023, 0942 UTC
by Ray Lalleu
1 Replies
201 Views
Last post January 01, 2025, 1427 UTC
by europirate
0 Replies
201 Views
Last post April 06, 2025, 1427 UTC
by Benoit LEVEQUE
0 Replies
201 Views
Last post April 05, 2025, 1545 UTC
by Ray Lalleu
1 Replies
201 Views
Last post August 11, 2023, 2325 UTC
by N2MLP
0 Replies
201 Views
Last post January 11, 2025, 2035 UTC
by Ronald_Mullis
0 Replies
201 Views
Last post October 22, 2023, 1651 UTC
by Ray Lalleu
0 Replies
201 Views
Last post August 23, 2024, 2040 UTC
by Ray Lalleu
0 Replies
201 Views
Last post July 11, 2023, 2011 UTC
by Ray Lalleu
0 Replies
201 Views
Last post March 21, 2025, 1347 UTC
by Ray Lalleu
0 Replies
201 Views
Last post December 11, 2022, 0936 UTC
by Ray Lalleu
0 Replies
201 Views
Last post June 10, 2023, 2043 UTC
by Ray Lalleu
2 Replies
201 Views
Last post July 18, 2025, 2019 UTC
by Panda_NL
1 Replies
201 Views
Last post November 30, 2024, 2102 UTC
by Ray Lalleu
0 Replies
201 Views
Last post February 09, 2025, 2108 UTC
by Ray Lalleu
0 Replies
201 Views
Last post March 10, 2024, 0905 UTC
by Ray Lalleu
1 Replies
201 Views
Last post February 02, 2025, 1645 UTC
by Ray Lalleu
0 Replies
201 Views
Last post March 21, 2025, 2115 UTC
by Ray Lalleu
0 Replies
201 Views
Last post November 11, 2024, 1136 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