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
394 Views
Last post October 28, 2020, 2205 UTC
by Ray Lalleu
0 Replies
366 Views
Last post July 15, 2022, 1853 UTC
by Ray Lalleu
2 Replies
346 Views
Last post August 01, 2023, 2148 UTC
by N2MLP
0 Replies
223 Views
Last post July 28, 2024, 0827 UTC
by Ray Lalleu
0 Replies
226 Views
Last post May 19, 2025, 1732 UTC
by Ray Lalleu
0 Replies
399 Views
Last post June 10, 2020, 1652 UTC
by Ray Lalleu
0 Replies
420 Views
Last post May 01, 2021, 1835 UTC
by Ray Lalleu
2 Replies
366 Views
Last post February 17, 2025, 1809 UTC
by F8ETK
0 Replies
417 Views
Last post March 22, 2020, 1711 UTC
by Ray Lalleu
3 Replies
774 Views
Last post November 25, 2021, 2142 UTC
by kris
0 Replies
406 Views
Last post November 17, 2023, 1718 UTC
by Ray Lalleu
0 Replies
363 Views
Last post September 20, 2020, 0943 UTC
by Ray Lalleu
1 Replies
508 Views
Last post June 01, 2022, 1817 UTC
by ukdxer
0 Replies
226 Views
Last post June 02, 2024, 0755 UTC
by Ray Lalleu
1 Replies
628 Views
Last post May 29, 2019, 2032 UTC
by kris
0 Replies
244 Views
Last post February 12, 2023, 2238 UTC
by Ray Lalleu
1 Replies
482 Views
Last post February 17, 2024, 0919 UTC
by Fisherman
0 Replies
232 Views
Last post January 01, 2025, 0818 UTC
by Ray Lalleu
0 Replies
637 Views
Last post January 17, 2019, 2202 UTC
by Ray Lalleu
0 Replies
369 Views
Last post February 08, 2020, 1112 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