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
434 Views
Last post January 28, 2022, 1714 UTC
by Ray Lalleu
0 Replies
443 Views
Last post March 29, 2021, 1118 UTC
by Ray Lalleu
0 Replies
483 Views
Last post June 14, 2019, 1752 UTC
by Ray Lalleu
1 Replies
306 Views
Last post June 16, 2024, 1954 UTC
by Fisherman
0 Replies
334 Views
Last post June 23, 2023, 2152 UTC
by Ray Lalleu
0 Replies
485 Views
Last post July 11, 2021, 0906 UTC
by Ray Lalleu
0 Replies
431 Views
Last post October 20, 2019, 0722 UTC
by Ray Lalleu
0 Replies
299 Views
Last post October 15, 2022, 1916 UTC
by Ray Lalleu
0 Replies
397 Views
Last post December 27, 2020, 0906 UTC
by Ray Lalleu
0 Replies
506 Views
Last post February 06, 2019, 1637 UTC
by Ray Lalleu
1 Replies
583 Views
Last post March 13, 2022, 1414 UTC
by ukdxer
2 Replies
296 Views
Last post August 13, 2023, 1747 UTC
by N2MLP
0 Replies
351 Views
Last post June 11, 2022, 1817 UTC
by Ray Lalleu
1 Replies
510 Views
Last post August 28, 2021, 2052 UTC
by kris
0 Replies
341 Views
Last post September 28, 2020, 1707 UTC
by Ray Lalleu
1 Replies
554 Views
Last post December 09, 2019, 2214 UTC
by KaySeeks
0 Replies
475 Views
Last post September 16, 2018, 0842 UTC
by Ray Lalleu
1 Replies
290 Views
Last post September 07, 2025, 1722 UTC
by kris
0 Replies
290 Views
Last post November 16, 2024, 2048 UTC
by Ray Lalleu
1 Replies
529 Views
Last post November 28, 2023, 0852 UTC
by dave1965

 

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