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
1001 Views
Last post April 08, 2017, 2211 UTC
by DimBulb
2 Replies
1419 Views
Last post July 27, 2014, 0021 UTC
by Skipmuck
4 Replies
673 Views
Last post October 30, 2021, 1919 UTC
by dxace1
1 Replies
710 Views
Last post August 25, 2018, 1902 UTC
by Ray Lalleu
2 Replies
1129 Views
Last post January 30, 2016, 2109 UTC
by JoeFLIPS
0 Replies
1208 Views
Last post October 04, 2014, 2159 UTC
by ChrisSmolinski
1 Replies
794 Views
Last post October 16, 2016, 2202 UTC
by DimBulb
0 Replies
437 Views
Last post December 31, 2018, 1620 UTC
by Ray Lalleu
2 Replies
774 Views
Last post December 29, 2018, 1934 UTC
by Ray Lalleu
2 Replies
942 Views
Last post August 18, 2019, 2017 UTC
by kris
4 Replies
907 Views
Last post August 10, 2019, 2204 UTC
by Ray Lalleu
2 Replies
1191 Views
Last post August 06, 2016, 2329 UTC
by DimBulb
3 Replies
1775 Views
Last post October 12, 2013, 2330 UTC
by refmo
2 Replies
866 Views
Last post July 26, 2019, 2133 UTC
by cj468
1 Replies
636 Views
Last post November 17, 2018, 2205 UTC
by Skipmuck
1 Replies
585 Views
Last post May 05, 2019, 1842 UTC
by Ray Lalleu
1 Replies
648 Views
Last post March 03, 2019, 1030 UTC
by Ray Lalleu
1 Replies
564 Views
Last post May 05, 2019, 1523 UTC
by Ray Lalleu
0 Replies
1031 Views
Last post July 27, 2019, 1955 UTC
by Jari Finland
5 Replies
1308 Views
Last post July 26, 2019, 2236 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