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
796 Views
Last post April 26, 2022, 2301 UTC
by Skipmuck
1 Replies
957 Views
Last post January 31, 2019, 1241 UTC
by ChrisSmolinski
2 Replies
1040 Views
Last post November 15, 2019, 1152 UTC
by ChrisSmolinski
0 Replies
689 Views
Last post January 05, 2022, 2056 UTC
by Ray Lalleu
3 Replies
1034 Views
Last post October 06, 2018, 0101 UTC
by refmo
2 Replies
1232 Views
Last post May 06, 2018, 1516 UTC
by Skipmuck
1 Replies
899 Views
Last post October 27, 2020, 2009 UTC
by caylorman
0 Replies
540 Views
Last post November 14, 2023, 0013 UTC
by Ray Lalleu
1 Replies
1010 Views
Last post January 29, 2019, 1100 UTC
by ChrisSmolinski
1 Replies
2278 Views
Last post June 08, 2019, 1450 UTC
by ChrisSmolinski
0 Replies
760 Views
Last post October 25, 2020, 0055 UTC
by Ray Lalleu
3 Replies
1440 Views
Last post July 09, 2018, 2358 UTC
by refmo
1 Replies
804 Views
Last post November 28, 2021, 0224 UTC
by refmo
0 Replies
736 Views
Last post January 17, 2021, 0021 UTC
by Ray Lalleu
2 Replies
1023 Views
Last post October 21, 2020, 0124 UTC
by kilowatt
0 Replies
1033 Views
Last post August 23, 2018, 2039 UTC
by Ray Lalleu
3 Replies
1608 Views
Last post January 27, 2019, 0009 UTC
by Jari Finland
0 Replies
789 Views
Last post March 24, 2021, 2242 UTC
by Ray Lalleu
0 Replies
804 Views
Last post September 30, 2018, 2152 UTC
by Ray Lalleu
1 Replies
987 Views
Last post July 06, 2018, 1618 UTC
by ChrisSmolinski

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns