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
369 Views
Last post March 13, 2022, 0911 UTC
by Ray Lalleu
0 Replies
246 Views
Last post February 25, 2024, 1014 UTC
by Ray Lalleu
0 Replies
336 Views
Last post December 26, 2020, 1724 UTC
by Ray Lalleu
0 Replies
220 Views
Last post October 15, 2022, 1012 UTC
by Ray Lalleu
1 Replies
194 Views
Last post October 13, 2024, 0639 UTC
by Shortwave_Listener
0 Replies
400 Views
Last post October 19, 2019, 2006 UTC
by Ray Lalleu
1 Replies
559 Views
Last post July 10, 2021, 2038 UTC
by Pravotorov
1 Replies
250 Views
Last post June 22, 2023, 0049 UTC
by N2MLP
0 Replies
440 Views
Last post June 13, 2019, 1930 UTC
by Ray Lalleu
1 Replies
446 Views
Last post May 11, 2020, 2024 UTC
by kris
1 Replies
451 Views
Last post March 28, 2021, 1655 UTC
by kris
1 Replies
556 Views
Last post January 27, 2022, 1815 UTC
by kris
0 Replies
195 Views
Last post January 12, 2025, 1152 UTC
by Ray Lalleu
0 Replies
457 Views
Last post November 25, 2018, 1351 UTC
by Ray Lalleu
1 Replies
516 Views
Last post February 22, 2020, 1825 UTC
by KaySeeks
1 Replies
454 Views
Last post October 26, 2021, 1619 UTC
by Bali_Frank
0 Replies
444 Views
Last post July 12, 2018, 2112 UTC
by Ray Lalleu
0 Replies
292 Views
Last post August 22, 2020, 0854 UTC
by Ray Lalleu
0 Replies
245 Views
Last post April 20, 2024, 1805 UTC
by Ray Lalleu
1 Replies
545 Views
Last post April 23, 2019, 2131 UTC
by kris

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns