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
309 Views
Last post January 05, 2023, 1556 UTC
by Oliver
2 Replies
689 Views
Last post August 04, 2018, 2156 UTC
by ChrisSmolinski
1 Replies
731 Views
Last post August 21, 2018, 1833 UTC
by Ray Lalleu
1 Replies
438 Views
Last post November 20, 2023, 0852 UTC
by Ray Lalleu
1 Replies
645 Views
Last post December 20, 2020, 1402 UTC
by Ray Lalleu
2 Replies
789 Views
Last post September 02, 2018, 2027 UTC
by Ray Lalleu
1 Replies
333 Views
Last post March 04, 2023, 1505 UTC
by Ray Lalleu
1 Replies
691 Views
Last post September 08, 2018, 1950 UTC
by Ray Lalleu
1 Replies
578 Views
Last post August 19, 2018, 1533 UTC
by Ray Lalleu
3 Replies
854 Views
Last post September 05, 2018, 2319 UTC
by Ct Yankee
1 Replies
357 Views
Last post February 01, 2023, 1058 UTC
by Ray Lalleu
0 Replies
540 Views
Last post December 20, 2020, 1352 UTC
by Oliver
2 Replies
379 Views
Last post March 04, 2023, 1457 UTC
by Pravotorov
3 Replies
482 Views
Last post December 19, 2022, 1153 UTC
by Oliver
1 Replies
578 Views
Last post May 03, 2020, 1213 UTC
by Ray Lalleu
1 Replies
375 Views
Last post April 13, 2025, 1400 UTC
by Dxcan
3 Replies
883 Views
Last post September 08, 2018, 1938 UTC
by Ray Lalleu
2 Replies
786 Views
Last post September 05, 2018, 2302 UTC
by Ct Yankee
1 Replies
755 Views
Last post October 13, 2018, 1613 UTC
by Ray Lalleu
0 Replies
280 Views
Last post January 23, 2025, 1142 UTC
by Oliver

 

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