Rec. ITU-R SA.515-3 … FREQUENCY BANDS AND BANDWIDTHS USED FOR SATELLITE PASSIVE SENSING
ANNEX 1 … Selection of frequencies for satellite passive sensing
1 Introduction
2 Atmospheric measurements
3 Land and ocean measurements
ANNEX 2 … Factors related to determination of required bandwidths
1 Sensitivity of radiometric receivers
2 Technical parameters of passive sensors
    2.1 Case of scanning radiometers
    2.2 Case of pushbroom radiometers