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
679 Views
Last post December 24, 2021, 1610 UTC
by Ray Lalleu
5 Replies
1304 Views
Last post July 26, 2019, 2236 UTC
by ChrisSmolinski
0 Replies
630 Views
Last post December 28, 2019, 0110 UTC
by Jari Finland
2 Replies
840 Views
Last post July 20, 2019, 2135 UTC
by cj468
2 Replies
709 Views
Last post March 26, 2021, 2102 UTC
by Ray Lalleu
2 Replies
850 Views
Last post July 20, 2019, 2128 UTC
by cj468
0 Replies
694 Views
Last post July 26, 2019, 2038 UTC
by Jari Finland
4 Replies
1065 Views
Last post December 06, 2023, 1557 UTC
by Jari Finland
0 Replies
1082 Views
Last post January 01, 2018, 0253 UTC
by Jari Finland
7 Replies
1202 Views
Last post May 16, 2021, 0013 UTC
by ChrisLobdell
3 Replies
694 Views
Last post December 06, 2023, 1432 UTC
by Jari Finland
2 Replies
729 Views
Last post April 26, 2020, 1921 UTC
by Ray Lalleu
1 Replies
313 Views
Last post December 25, 2024, 1647 UTC
by Ray Lalleu
2 Replies
777 Views
Last post July 25, 2019, 1436 UTC
by Ray Lalleu
1 Replies
611 Views
Last post February 07, 2021, 1727 UTC
by Ray Lalleu
0 Replies
601 Views
Last post July 19, 2019, 2013 UTC
by Jari Finland
2 Replies
788 Views
Last post March 11, 2022, 2259 UTC
by JustGreg
1 Replies
263 Views
Last post December 25, 2024, 1542 UTC
by AlexRadioDX
3 Replies
1108 Views
Last post March 31, 2018, 2316 UTC
by Ray Lalleu
1 Replies
393 Views
Last post April 15, 2025, 1221 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 Mug
HFUnderground Mug
by MitchellTimeDesigns