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
447 Views
Last post February 13, 2022, 1549 UTC
by Ray Lalleu
3 Replies
622 Views
Last post May 27, 2019, 1836 UTC
by kris
0 Replies
284 Views
Last post August 13, 2024, 1306 UTC
by dxace1
3 Replies
458 Views
Last post September 11, 2022, 1840 UTC
by Ray Lalleu
1 Replies
452 Views
Last post October 30, 2021, 1817 UTC
by Ray Lalleu
1 Replies
319 Views
Last post January 07, 2023, 1713 UTC
by Ray Lalleu
2 Replies
496 Views
Last post January 24, 2020, 1740 UTC
by Ray Lalleu
0 Replies
745 Views
Last post April 18, 2019, 1742 UTC
by dxace1
1 Replies
303 Views
Last post January 09, 2023, 1517 UTC
by Bali_Frank
0 Replies
360 Views
Last post July 12, 2020, 1620 UTC
by dxace1
0 Replies
511 Views
Last post November 28, 2021, 1544 UTC
by dxace1
1 Replies
478 Views
Last post June 14, 2020, 1746 UTC
by Ray Lalleu
2 Replies
625 Views
Last post April 23, 2021, 1646 UTC
by kris
1 Replies
466 Views
Last post October 13, 2019, 1500 UTC
by Ray Lalleu
1 Replies
552 Views
Last post November 04, 2021, 1648 UTC
by Ray Lalleu
5 Replies
737 Views
Last post October 07, 2021, 1755 UTC
by Grey Fox
1 Replies
490 Views
Last post June 07, 2022, 1823 UTC
by Ray Lalleu
2 Replies
536 Views
Last post November 06, 2021, 1647 UTC
by Ray Lalleu
1 Replies
77 Views
Last post June 08, 2025, 2256 UTC
by Ray Lalleu
0 Replies
477 Views
Last post July 21, 2019, 1540 UTC
by dxace1

 

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