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
409 Views
Last post February 03, 2023, 1552 UTC
by Shortwave_Listener
0 Replies
417 Views
Last post February 03, 2023, 0416 UTC
by Shortwave_Listener
0 Replies
434 Views
Last post February 02, 2023, 2228 UTC
by ralf_bender
0 Replies
415 Views
Last post February 02, 2023, 2216 UTC
by ralf_bender
0 Replies
508 Views
Last post February 02, 2023, 2043 UTC
by Ray Lalleu
0 Replies
394 Views
Last post April 08, 2023, 2200 UTC
by Ray Lalleu
0 Replies
355 Views
Last post February 02, 2023, 2000 UTC
by Ray Lalleu
0 Replies
382 Views
Last post February 01, 2023, 1952 UTC
by Ray Lalleu
0 Replies
475 Views
Last post February 01, 2023, 1927 UTC
by kris
0 Replies
577 Views
Last post January 31, 2023, 2222 UTC
by Ray Lalleu
0 Replies
339 Views
Last post April 07, 2023, 1934 UTC
by Ray Lalleu
0 Replies
613 Views
Last post January 31, 2023, 2052 UTC
by TRI International
0 Replies
342 Views
Last post January 31, 2023, 1244 UTC
by TRI International
0 Replies
350 Views
Last post January 31, 2023, 1733 UTC
by Ray Lalleu
0 Replies
343 Views
Last post January 31, 2023, 1714 UTC
by Ray Lalleu
0 Replies
373 Views
Last post January 31, 2023, 1248 UTC
by TRI International
0 Replies
468 Views
Last post January 31, 2023, 0427 UTC
by Shortwave_Listener
0 Replies
335 Views
Last post January 30, 2023, 2108 UTC
by Ray Lalleu
0 Replies
339 Views
Last post January 30, 2023, 1312 UTC
by TRI International
0 Replies
351 Views
Last post January 29, 2023, 2124 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 House Flag
by MitchellTimeDesigns