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
398 Views
Last post February 21, 2022, 1302 UTC
by Ray Lalleu
0 Replies
398 Views
Last post February 13, 2022, 0827 UTC
by Ray Lalleu
0 Replies
398 Views
Last post February 06, 2022, 1338 UTC
by Ray Lalleu
0 Replies
398 Views
Last post January 23, 2022, 0943 UTC
by Ray Lalleu
0 Replies
398 Views
Last post January 19, 2022, 0947 UTC
by Ray Lalleu
0 Replies
398 Views
Last post January 01, 2022, 0833 UTC
by Ray Lalleu
1 Replies
398 Views
Last post July 07, 2025, 2028 UTC
by KISS AM
0 Replies
398 Views
Last post June 01, 2025, 1635 UTC
by Ray Lalleu
1 Replies
398 Views
Last post March 11, 2025, 1734 UTC
by Ray Lalleu
3 Replies
398 Views
Last post February 02, 2025, 1015 UTC
by Ethernut
2 Replies
398 Views
Last post November 19, 2024, 1143 UTC
by dave1965
2 Replies
398 Views
Last post October 30, 2024, 2055 UTC
by stonedrabbit
2 Replies
398 Views
Last post October 20, 2024, 0812 UTC
by Ray Lalleu
2 Replies
398 Views
Last post October 05, 2024, 1647 UTC
by Ray Lalleu
1 Replies
398 Views
Last post September 17, 2024, 0902 UTC
by europirate
2 Replies
398 Views
Last post August 17, 2024, 1859 UTC
by Funkenblitz
1 Replies
398 Views
Last post April 28, 2024, 0609 UTC
by Vulcan59
1 Replies
398 Views
Last post March 21, 2024, 0949 UTC
by Ray Lalleu
0 Replies
397 Views
Last post June 19, 2025, 2025 UTC
by Ray Lalleu
2 Replies
397 Views
Last post May 06, 2025, 1957 UTC
by Alex BLR

 

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