Hello Jason,
Have you tried building/using DUDEstar, for DMR, on a Pi4B?? I am building it on an atomic pi as I type, but the Pi4B/8G will be next, and I am interested in your thoughts.? I have only come across builds on x86 Linux, and the Windows build is available on github, but the Windows version is stated as being unsupported (compared to the Linux version).? Perhaps it is about time to have a go with an arm processor on our favorite, the Pi4B??
ks
K4GMV