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
270 Views
Last post December 09, 2023, 2106 UTC
by Ray Lalleu
0 Replies
103 Views
Last post September 20, 2025, 0927 UTC
by Ray Lalleu
1 Replies
582 Views
Last post October 03, 2018, 1741 UTC
by Oliver
0 Replies
303 Views
Last post October 09, 2020, 1917 UTC
by Ray Lalleu
1 Replies
462 Views
Last post June 23, 2022, 2226 UTC
by kris
0 Replies
270 Views
Last post July 04, 2024, 1921 UTC
by Ray Lalleu
0 Replies
529 Views
Last post June 30, 2019, 1903 UTC
by Ray Lalleu
0 Replies
244 Views
Last post March 12, 2023, 1002 UTC
by Ray Lalleu
0 Replies
220 Views
Last post February 01, 2025, 1128 UTC
by Ray Lalleu
0 Replies
558 Views
Last post July 30, 2018, 0227 UTC
by Ray Lalleu
0 Replies
325 Views
Last post September 03, 2020, 2028 UTC
by Ray Lalleu
1 Replies
582 Views
Last post July 25, 2021, 2047 UTC
by Bali_Frank
1 Replies
399 Views
Last post May 13, 2022, 2036 UTC
by kris
0 Replies
198 Views
Last post July 09, 2023, 0655 UTC
by Ray Lalleu
0 Replies
501 Views
Last post May 05, 2019, 1954 UTC
by Ray Lalleu
0 Replies
389 Views
Last post May 23, 2020, 0624 UTC
by Ray Lalleu
1 Replies
451 Views
Last post February 12, 2022, 0936 UTC
by TRI International
1 Replies
493 Views
Last post January 31, 2024, 1608 UTC
by dxace1
0 Replies
539 Views
Last post December 16, 2018, 1612 UTC
by Ray Lalleu
0 Replies
303 Views
Last post November 29, 2020, 1126 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