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
511 Views
Last post February 22, 2020, 1825 UTC
by KaySeeks
0 Replies
454 Views
Last post November 25, 2018, 1351 UTC
by Ray Lalleu
0 Replies
192 Views
Last post January 12, 2025, 1152 UTC
by Ray Lalleu
1 Replies
554 Views
Last post January 27, 2022, 1815 UTC
by kris
1 Replies
444 Views
Last post March 28, 2021, 1655 UTC
by kris
1 Replies
446 Views
Last post May 11, 2020, 2024 UTC
by kris
0 Replies
438 Views
Last post June 13, 2019, 1930 UTC
by Ray Lalleu
1 Replies
244 Views
Last post June 22, 2023, 0049 UTC
by N2MLP
1 Replies
549 Views
Last post July 10, 2021, 2038 UTC
by Pravotorov
0 Replies
399 Views
Last post October 19, 2019, 2006 UTC
by Ray Lalleu
1 Replies
189 Views
Last post October 13, 2024, 0639 UTC
by Shortwave_Listener
0 Replies
218 Views
Last post October 15, 2022, 1012 UTC
by Ray Lalleu
0 Replies
332 Views
Last post December 26, 2020, 1724 UTC
by Ray Lalleu
0 Replies
242 Views
Last post February 25, 2024, 1014 UTC
by Ray Lalleu
0 Replies
365 Views
Last post March 13, 2022, 0911 UTC
by Ray Lalleu
0 Replies
176 Views
Last post August 13, 2023, 0803 UTC
by Ray Lalleu
2 Replies
581 Views
Last post September 27, 2020, 2030 UTC
by Skipmuck
0 Replies
424 Views
Last post September 15, 2018, 1731 UTC
by Ray Lalleu
0 Replies
235 Views
Last post November 26, 2023, 1801 UTC
by Ray Lalleu
0 Replies
249 Views
Last post December 11, 2022, 1622 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