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
910 Views
Last post September 11, 2013, 2024 UTC
by ChrisSmolinski
0 Replies
910 Views
Last post July 05, 2014, 0550 UTC
by Fansome
0 Replies
909 Views
Last post October 08, 2021, 1637 UTC
by CoolAM Radio
1 Replies
909 Views
Last post April 28, 2020, 2045 UTC
by Ray Lalleu
0 Replies
909 Views
Last post November 23, 2017, 2131 UTC
by CoolAM Radio
0 Replies
909 Views
Last post July 11, 2014, 1912 UTC
by CoolAM Radio
0 Replies
909 Views
Last post January 18, 2021, 1615 UTC
by CoolAM Radio
0 Replies
909 Views
Last post January 22, 2015, 1935 UTC
by Fansome
1 Replies
908 Views
Last post March 15, 2021, 1237 UTC
by Ct Yankee
Propagation

Started by Fansome

0 Replies
908 Views
Last post February 22, 2014, 0158 UTC
by Fansome
1 Replies
908 Views
Last post November 18, 2021, 2338 UTC
by UncleJohn
0 Replies
908 Views
Last post August 29, 2021, 1925 UTC
by RobRich
Propagation

Started by Fansome

0 Replies
908 Views
Last post September 05, 2014, 2308 UTC
by Fansome
0 Replies
908 Views
Last post January 21, 2024, 2114 UTC
by europirate
0 Replies
907 Views
Last post December 13, 2019, 0623 UTC
by Fansome
0 Replies
907 Views
Last post May 06, 2016, 1603 UTC
by ChrisSmolinski
Propagation

Started by Fansome

0 Replies
907 Views
Last post March 18, 2016, 2203 UTC
by Fansome
0 Replies
906 Views
Last post November 08, 2024, 1851 UTC
by ThaDood
0 Replies
906 Views
Last post June 17, 2019, 1717 UTC
by CoolAM Radio
0 Replies
906 Views
Last post June 29, 2014, 2056 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 Garden Flag
by MitchellTimeDesigns