Organizational groups where CEOS agencies are members WMO Space Programme – GSICS - Global Satellite InterCalibration System – SCOPE-CM – Sustained COordinated Processing of Environmental Satellite Data for Climate Monitoring CGMS – Coordinated Group of Meteorological Satellites – ITWG, IPWG, IWWG, IROWG WCRP – World Climate Research Programme – GEWEX International Working Groups – GPM X-Cal 19 19