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
2 Replies
628 Views
Last post February 13, 2021, 1758 UTC
by Ray Lalleu
0 Replies
535 Views
Last post April 22, 2019, 1043 UTC
by Ray Lalleu
0 Replies
255 Views
Last post April 18, 2024, 2241 UTC
by Ray Lalleu
1 Replies
484 Views
Last post August 19, 2020, 2045 UTC
by Ray Lalleu
1 Replies
611 Views
Last post July 08, 2018, 1236 UTC
by Oliver
0 Replies
233 Views
Last post August 24, 2024, 2114 UTC
by Ray Lalleu
0 Replies
221 Views
Last post October 15, 2023, 1729 UTC
by Ray Lalleu
0 Replies
419 Views
Last post August 11, 2022, 2049 UTC
by Ray Lalleu
0 Replies
463 Views
Last post November 15, 2020, 1408 UTC
by Ray Lalleu
0 Replies
337 Views
Last post February 20, 2020, 1111 UTC
by Ray Lalleu
0 Replies
108 Views
Last post October 19, 2025, 1333 UTC
by Ray Lalleu
0 Replies
189 Views
Last post January 11, 2025, 1101 UTC
by Ray Lalleu
2 Replies
1843 Views
Last post January 20, 2024, 2007 UTC
by EagleWave
0 Replies
251 Views
Last post February 25, 2023, 1123 UTC
by Ray Lalleu
1 Replies
481 Views
Last post January 23, 2022, 1720 UTC
by Ray Lalleu
2 Replies
627 Views
Last post March 27, 2021, 1619 UTC
by Ray Lalleu
1 Replies
348 Views
Last post May 10, 2020, 0929 UTC
by Ray Lalleu
2 Replies
643 Views
Last post April 21, 2025, 2014 UTC
by Oliver
0 Replies
233 Views
Last post June 17, 2023, 2103 UTC
by Ray Lalleu
0 Replies
461 Views
Last post October 16, 2019, 1913 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