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
403 Views
Last post August 05, 2021, 2016 UTC
by kris
0 Replies
343 Views
Last post June 02, 2025, 1516 UTC
by Ray Lalleu
0 Replies
138 Views
Last post June 13, 2025, 1602 UTC
by Ray Lalleu
0 Replies
179 Views
Last post November 12, 2022, 1657 UTC
by Ray Lalleu
0 Replies
257 Views
Last post August 20, 2022, 2001 UTC
by Ray Lalleu
0 Replies
374 Views
Last post August 16, 2021, 1845 UTC
by Ray Lalleu
0 Replies
154 Views
Last post March 01, 2025, 1740 UTC
by Ray Lalleu
1 Replies
368 Views
Last post August 05, 2022, 1830 UTC
by kris
1 Replies
260 Views
Last post April 20, 2024, 1913 UTC
by Benoit LEVEQUE
0 Replies
380 Views
Last post June 16, 2021, 2050 UTC
by Ray Lalleu
2 Replies
331 Views
Last post November 21, 2022, 1418 UTC
by kobalts
1 Replies
283 Views
Last post October 08, 2022, 0804 UTC
by Ray Lalleu
1 Replies
332 Views
Last post August 13, 2022, 1034 UTC
by Ray Lalleu
0 Replies
177 Views
Last post November 06, 2022, 0855 UTC
by Ray Lalleu
1 Replies
409 Views
Last post August 07, 2022, 1356 UTC
by TRI International
0 Replies
281 Views
Last post November 07, 2022, 0923 UTC
by Ray Lalleu
0 Replies
284 Views
Last post August 14, 2022, 1538 UTC
by Ray Lalleu
0 Replies
295 Views
Last post July 23, 2022, 1632 UTC
by Ray Lalleu
0 Replies
238 Views
Last post June 08, 2025, 0637 UTC
by Ray Lalleu
1 Replies
358 Views
Last post June 01, 2025, 0804 UTC
by Alex BLR

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns