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
65 Views
Last post Today at 00:09
by RobRich
4 Replies
775 Views
Last post June 25, 2024, 2315 UTC
by kris
30 Replies
4570 Views
Last post June 01, 2024, 2115 UTC
by RobRich
2 Replies
739 Views
Last post May 15, 2024, 1516 UTC
by RobRich
0 Replies
214 Views
Last post May 10, 2024, 1943 UTC
by Ray Lalleu
0 Replies
266 Views
Last post May 10, 2024, 1248 UTC
by MDK2
2 Replies
482 Views
Last post May 04, 2024, 2042 UTC
by Ray Lalleu
2 Replies
972 Views
Last post April 28, 2024, 0123 UTC
by RobRich
1 Replies
385 Views
Last post April 22, 2024, 1826 UTC
by RobRich
7 Replies
1004 Views
Last post March 16, 2024, 1935 UTC
by RobRich
3 Replies
552 Views
Last post March 10, 2024, 2134 UTC
by RobRich
7 Replies
1371 Views
Last post February 01, 2024, 1814 UTC
by MDK2
6 Replies
2172 Views
Last post January 31, 2024, 2146 UTC
by RobRich
SDR++

Started by ChrisSmolinski

4 Replies
832 Views
Last post January 31, 2024, 1837 UTC
by cyphermatic
9 Replies
2472 Views
Last post January 04, 2024, 2043 UTC
by Treehouse SWL
KiwiSDR future/replacement?

Started by Maxwells Daemon « 1 2 »

23 Replies
5203 Views
Last post December 05, 2023, 1022 UTC
by Ray Lalleu
2 Replies
1989 Views
Last post December 02, 2023, 2217 UTC
by JustGreg
9 Replies
4934 Views
Last post November 14, 2023, 2216 UTC
by Ray Lalleu
10 Replies
1918 Views
Last post October 27, 2023, 1211 UTC
by europirate
Kiwi questions

Started by Brian

6 Replies
1852 Views
Last post September 19, 2023, 0832 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 T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns