eng
cross-calibration
process of relating the measurements of one instrument to another instrument which is usually wellcalibrated, serving as a reference
Note to entry: Cross-calibration of instruments operating during the same period requires careful collocation wherein instrument outputs are compared when the instruments are viewing the same Earth scenes, at the same times, from the same viewing angles.
[SOURCE: ISO/TS 19159-4:2022, 3.18]