MY RADAR
http://www.varmintal.com/ahunt.htm
google drive link you tube tutors
Wow, Google tutorials galore !!!
https://setapp.com/how-to/full-list-of-all-macos-versions
https://www.tinysa.org/wiki/
https://themodernham.com/the-hard-truth-about-hardware-tncs-in-packet-radio/
https://k2mff.njit.edu/blog/byod-packet/
The above is a great site of all star stuff and tuts etc. wow !
THE ABOVE IS VERY INTERESTING SITE.