some one will correct me if I’m wrong but I believe rotator is free and open source build.
Its fairly easy to capture images from the NOAA satellites with out a rotator, have you been asked to capture data from a specific satellite in a specific format?
This is what I receive with my QHF antenna
https://community.libre.space/t/my-first-noaa-18-image/11925/3?u=hs318