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
2155 Views
Last post February 24, 2014, 1528 UTC
by glimmer twin
2 Replies
2601 Views
Last post February 25, 2014, 0418 UTC
by glimmer twin
0 Replies
1779 Views
Last post January 29, 2014, 0514 UTC
by AbnersFarm
0 Replies
1642 Views
Last post February 24, 2014, 0548 UTC
by AbnersFarm
1 Replies
2286 Views
Last post February 24, 2014, 1614 UTC
by glimmer twin
1 Replies
1929 Views
Last post February 02, 2014, 0530 UTC
by glimmer twin
1 Replies
2024 Views
Last post March 30, 2014, 1825 UTC
by glimmer twin
1 Replies
1779 Views
Last post October 20, 2014, 2149 UTC
by ulx2
3 Replies
728 Views
Last post February 20, 2023, 0414 UTC
by Ron - Calif.
0 Replies
608 Views
Last post January 29, 2022, 0338 UTC
by alleycat
2 Replies
838 Views
Last post March 16, 2022, 1037 UTC
by Ray Lalleu
4 Replies
1218 Views
Last post January 06, 2021, 2108 UTC
by prldx
2 Replies
1153 Views
Last post December 31, 2021, 2258 UTC
by Ct Yankee
2 Replies
977 Views
Last post January 16, 2022, 2007 UTC
by Ron - Calif.
5 Replies
409 Views
Last post June 11, 2025, 2211 UTC
by shadypyro
2 Replies
971 Views
Last post July 04, 2020, 0857 UTC
by alpard
3 Replies
1388 Views
Last post December 09, 2019, 2330 UTC
by shadypyro
0 Replies
673 Views
Last post May 10, 2020, 0746 UTC
by alpard
9 Replies
2096 Views
Last post March 17, 2024, 1807 UTC
by n2avh
2 Replies
927 Views
Last post May 11, 2020, 2023 UTC
by alpard

 

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