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
251 Views
Last post November 13, 2023, 2202 UTC
by Ray Lalleu
1 Replies
494 Views
Last post November 22, 2021, 1648 UTC
by kris
0 Replies
398 Views
Last post February 15, 2024, 1843 UTC
by Ray Lalleu
1 Replies
224 Views
Last post April 01, 2023, 0853 UTC
by FOX
0 Replies
390 Views
Last post March 01, 2022, 1818 UTC
by Ray Lalleu
1 Replies
463 Views
Last post April 30, 2021, 1817 UTC
by Ray Lalleu
0 Replies
305 Views
Last post June 08, 2020, 1447 UTC
by Ray Lalleu
2 Replies
260 Views
Last post July 30, 2023, 1824 UTC
by kris
2 Replies
508 Views
Last post August 15, 2021, 1313 UTC
by Bali_Frank
0 Replies
313 Views
Last post October 26, 2020, 1647 UTC
by Ray Lalleu
0 Replies
464 Views
Last post November 23, 2019, 1138 UTC
by Ray Lalleu
1 Replies
422 Views
Last post January 23, 2021, 1542 UTC
by Ray Lalleu
0 Replies
483 Views
Last post March 24, 2019, 1329 UTC
by Ray Lalleu
0 Replies
282 Views
Last post July 23, 2020, 1430 UTC
by Ray Lalleu
0 Replies
555 Views
Last post May 26, 2018, 0833 UTC
by Ray Lalleu
1 Replies
372 Views
Last post June 24, 2025, 2006 UTC
by europirate
0 Replies
220 Views
Last post September 19, 2023, 1957 UTC
by Ray Lalleu
0 Replies
355 Views
Last post January 18, 2020, 1521 UTC
by Ray Lalleu
0 Replies
422 Views
Last post October 22, 2018, 1655 UTC
by Ray Lalleu
0 Replies
246 Views
Last post December 15, 2024, 1756 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