CONTENTS

ANNEX  1 - Factors related to determination of preferred frequencies and necessary bandwidths for satellite active sensing    
 1     Introduction      
 2     Active sensing of ocean and ocean winds 
 3     Active sensing of ice-covered surfaces     
 4     Meteorological and climatological observations     
 5     Active sensing of vegetation cover and soil moisture          
 6     Bandwidth requirements for active sensing
 7     Summary of preferred frequencies and necessary bandwidths for active sensing