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
242 Views
Last post August 25, 2023, 2216 UTC
by kris
0 Replies
304 Views
Last post June 21, 2022, 2053 UTC
by Ray Lalleu
0 Replies
377 Views
Last post May 26, 2021, 1942 UTC
by Ray Lalleu
0 Replies
245 Views
Last post September 17, 2024, 1853 UTC
by Ray Lalleu
1 Replies
574 Views
Last post March 18, 2025, 1300 UTC
by Benoit LEVEQUE
1 Replies
189 Views
Last post November 05, 2024, 1804 UTC
by Ray Lalleu
1 Replies
914 Views
Last post May 29, 2025, 1640 UTC
by Alex BLR
0 Replies
416 Views
Last post August 01, 2021, 2022 UTC
by Ray Lalleu
0 Replies
346 Views
Last post November 10, 2023, 1120 UTC
by Ray Lalleu
0 Replies
280 Views
Last post June 21, 2024, 2204 UTC
by m3ozp1
1 Replies
570 Views
Last post April 21, 2019, 1349 UTC
by Ray Lalleu
1 Replies
388 Views
Last post March 11, 2025, 1614 UTC
by Ethernut
3 Replies
579 Views
Last post April 22, 2021, 1915 UTC
by kris
1 Replies
576 Views
Last post August 15, 2018, 2004 UTC
by Ray Lalleu
1 Replies
480 Views
Last post February 15, 2020, 1906 UTC
by Ray Lalleu
1 Replies
560 Views
Last post June 13, 2025, 1757 UTC
by Ray Lalleu
0 Replies
384 Views
Last post February 02, 2020, 1313 UTC
by Ray Lalleu
0 Replies
338 Views
Last post February 09, 2020, 1004 UTC
by Ray Lalleu
0 Replies
486 Views
Last post June 26, 2021, 1750 UTC
by dxace1
2 Replies
1337 Views
Last post April 19, 2014, 2344 UTC
by curious george

 

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