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
454 Views
Last post January 27, 2019, 1000 UTC
by Ray Lalleu
0 Replies
350 Views
Last post November 10, 2023, 0940 UTC
by kris
0 Replies
385 Views
Last post March 15, 2020, 0913 UTC
by Ray Lalleu
0 Replies
490 Views
Last post April 22, 2019, 0909 UTC
by Ray Lalleu
0 Replies
463 Views
Last post February 17, 2019, 0907 UTC
by Ray Lalleu
0 Replies
420 Views
Last post November 10, 2018, 0903 UTC
by Ray Lalleu
0 Replies
417 Views
Last post April 07, 2019, 0858 UTC
by Ray Lalleu
0 Replies
481 Views
Last post February 02, 2019, 0840 UTC
by Ray Lalleu
0 Replies
332 Views
Last post May 19, 2019, 0846 UTC
by Ray Lalleu
1 Replies
541 Views
Last post February 23, 2019, 1339 UTC
by Ray Lalleu
0 Replies
188 Views
Last post June 25, 2025, 0828 UTC
by dave1965
0 Replies
125 Views
Last post June 22, 2025, 0809 UTC
by dave1965
0 Replies
502 Views
Last post June 23, 2018, 0806 UTC
by Ray Lalleu
1 Replies
690 Views
Last post May 31, 2018, 1037 UTC
by Ray Lalleu
1 Replies
463 Views
Last post June 01, 2019, 2124 UTC
by Ray Lalleu
0 Replies
1828 Views
Last post May 28, 2012, 1707 UTC
by Sealord
1 Replies
621 Views
Last post June 01, 2018, 1931 UTC
by The Ether Hacker
0 Replies
449 Views
Last post April 22, 2019, 1817 UTC
by Ray Lalleu
0 Replies
391 Views
Last post May 02, 2019, 2117 UTC
by Ray Lalleu
0 Replies
330 Views
Last post May 10, 2020, 1015 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