NASA Goddard Institute for Space Studies Publications Rossow et al. 1992 Rossow, W.B., Y. Desormeaux, C.L. Brest, and A. Walker 1992. World Climate Research Programme. Some of these radiometers have additional channels.
Calibration is reported in three stages, called nominal, normalized and absolute.
Equations and tables in the following sections define each of these calibrations. An addendum and errata are also available.