This was how I did it, or at least what worked for me. https://www.n9drb.com/notes/#ADSB feeding
Wisconsin by birth.
This was how I did it, or at least what worked for me. https://www.n9drb.com/notes/#ADSB feeding
I wonder if Delta Chat would work for you.
100%
I put together a list of open source CAD software a couple of years ago, but none of the options are quite there yet.