CONTENTS

Annex 1
1 Introduction
2 Instruments
        2.1 Imaging technical characteristics
                  2.1.1 Multispectral cloud imaging
                  2.1.2 Multispectral imaging of the Earth’s surface
                  2.1.3 Hyperspectral imaging
                  2.1.4     Lightning sensing
        2.2     Radiometry and spectrometry
        2.3 Altimetry – active
 3     Spacecraft
4 System sensitivity and natural emissions
        4.1 Sensitivity of detectors
        4.2 Effective temperature of the Earth
5 Summary
Appendix 1  to Annex 1 - Official websites for various EESS sensors operating above 3 000 GHz