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
451 Views
Last post August 21, 2019, 1644 UTC
by Ray Lalleu
0 Replies
544 Views
Last post June 29, 2018, 1928 UTC
by Ray Lalleu
0 Replies
236 Views
Last post August 06, 2022, 1509 UTC
by Ray Lalleu
0 Replies
481 Views
Last post November 11, 2020, 1339 UTC
by Ray Lalleu
0 Replies
425 Views
Last post November 16, 2018, 2002 UTC
by Ray Lalleu
0 Replies
116 Views
Last post October 16, 2025, 1543 UTC
by Ray Lalleu
2 Replies
627 Views
Last post January 21, 2022, 2122 UTC
by kris
1 Replies
427 Views
Last post May 06, 2020, 2332 UTC
by kris
0 Replies
202 Views
Last post April 18, 2025, 2201 UTC
by Ray Lalleu
1 Replies
267 Views
Last post June 10, 2023, 0844 UTC
by FOX
0 Replies
444 Views
Last post July 02, 2021, 1816 UTC
by Ray Lalleu
0 Replies
451 Views
Last post October 11, 2019, 1840 UTC
by Ray Lalleu
2 Replies
293 Views
Last post October 06, 2024, 1023 UTC
by Fisherman
0 Replies
292 Views
Last post October 07, 2022, 1827 UTC
by Ray Lalleu
1 Replies
440 Views
Last post December 20, 2020, 1957 UTC
by Ray Lalleu
0 Replies
350 Views
Last post February 12, 2020, 1731 UTC
by Ray Lalleu
0 Replies
500 Views
Last post January 24, 2019, 1421 UTC
by Ray Lalleu
0 Replies
233 Views
Last post January 04, 2025, 0910 UTC
by Ray Lalleu
3 Replies
766 Views
Last post February 18, 2024, 1809 UTC
by dxace1
1 Replies
343 Views
Last post February 18, 2023, 0830 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 House Flag
by MitchellTimeDesigns