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
985 Views
Last post July 11, 2022, 0652 UTC
by Ray Lalleu
1 Replies
441 Views
Last post August 07, 2022, 1650 UTC
by Ray Lalleu
1 Replies
383 Views
Last post July 19, 2022, 1628 UTC
by Ray Lalleu
1 Replies
392 Views
Last post July 20, 2022, 1718 UTC
by Ray Lalleu
1 Replies
266 Views
Last post July 10, 2025, 1725 UTC
by Ray Lalleu
1 Replies
423 Views
Last post January 02, 2024, 1330 UTC
by RobRich
1 Replies
325 Views
Last post February 15, 2023, 1558 UTC
by Ray Lalleu
1 Replies
267 Views
Last post December 09, 2023, 1613 UTC
by Ray Lalleu
1 Replies
367 Views
Last post December 27, 2023, 1456 UTC
by Ray Lalleu
1 Replies
393 Views
Last post March 03, 2025, 1501 UTC
by Ray Lalleu
0 Replies
414 Views
Last post October 28, 2022, 1442 UTC
by kris
1 Replies
351 Views
Last post September 03, 2022, 1530 UTC
by Ray Lalleu
0 Replies
284 Views
Last post May 15, 2023, 1505 UTC
by kris
0 Replies
300 Views
Last post August 28, 2022, 1506 UTC
by kris
0 Replies
271 Views
Last post November 11, 2022, 1545 UTC
by kris
1 Replies
359 Views
Last post July 26, 2022, 1809 UTC
by Ray Lalleu
1 Replies
478 Views
Last post September 12, 2022, 1605 UTC
by Ray Lalleu
1 Replies
353 Views
Last post August 26, 2022, 1655 UTC
by Ray Lalleu
0 Replies
152 Views
Last post July 20, 2025, 1619 UTC
by kris
2 Replies
433 Views
Last post August 27, 2022, 1821 UTC
by Alexey DXer

 

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