Concept of a Satellite Cross-Calibration Radiometer for In-Orbit Calibration of Commercial Optical Satellites. - Medhavy Thankappan; Jon Christopherson; Simon Cantrell; Robert Ryan; Mary Pagnutti; Courtney Bright; Denis Naughton; Kathryn Ruslander; Lan-Wei Wang; David Hudson; Jerad Shaw; Shankar Nag Ramaseri Chandra; et al. (Remote. Sens., 2024)