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
1 Replies
260 Views
Last post March 26, 2023, 1447 UTC
by kris
0 Replies
406 Views
Last post April 25, 2021, 1719 UTC
by Ray Lalleu
0 Replies
326 Views
Last post June 04, 2020, 1635 UTC
by Ray Lalleu
1 Replies
380 Views
Last post May 15, 2025, 1543 UTC
by Alex BLR
0 Replies
210 Views
Last post July 27, 2023, 2019 UTC
by Ray Lalleu
2 Replies
630 Views
Last post August 11, 2021, 2037 UTC
by Grey Fox
0 Replies
295 Views
Last post November 16, 2022, 1935 UTC
by Ray Lalleu
0 Replies
423 Views
Last post March 17, 2019, 2105 UTC
by Ray Lalleu
0 Replies
248 Views
Last post March 18, 2024, 1134 UTC
by Ray Lalleu
0 Replies
491 Views
Last post April 03, 2022, 2042 UTC
by Ray Lalleu
0 Replies
315 Views
Last post July 18, 2020, 0753 UTC
by Ray Lalleu
1 Replies
473 Views
Last post July 16, 2019, 1709 UTC
by ukdxer
0 Replies
537 Views
Last post May 19, 2018, 2204 UTC
by Ray Lalleu
0 Replies
262 Views
Last post October 24, 2020, 1027 UTC
by Ray Lalleu
0 Replies
552 Views
Last post January 10, 2020, 2156 UTC
by Ray Lalleu
0 Replies
450 Views
Last post October 19, 2018, 1701 UTC
by Ray Lalleu
0 Replies
197 Views
Last post December 13, 2024, 1738 UTC
by Ray Lalleu
0 Replies
390 Views
Last post April 18, 2020, 1935 UTC
by Ray Lalleu
1 Replies
332 Views
Last post March 24, 2025, 0856 UTC
by Benoit LEVEQUE
1 Replies
502 Views
Last post September 13, 2019, 2123 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