CONTENTS

ANNEX  1 - An evaluation of potential interference into the EESS (passive) in the 18.6-18.8 GHz band from GSO satellites operating in the FSS    
 1     Introduction      
 2     Interference scenario        
 3     Scattering model  
        3.1     Backscatter coefficients     
        3.2     Bistatic scattering coefficients         
 4     Results
        4.1     Conditional interference statistics    
        4.2     Extrapolation to the unconditional (global) case and other FSS pfd values   
        4.3     Occurrence rates of excessive pixel loss     
        4.4     Sensitivity to sensor scan range      
 5     Conclusions      
ANNEX  2 - Sharing between spaceborne passive sensors and HEO satellites  in the FSS in the 18.6-18.8 GHz band    
 1     Introduction      
 2     Spaceborne passive sensor parameters    
 3     FSS parameters
 4     Scattering coefficient        
 5     Interference power received by spaceborne passive sensor           
 6     Interference simulation     
 7     Simulation results 
        7.1     Eight-hour HEO interferer  
        7.2     Twelve-hour HEO interferer          
        7.3     Twenty-four-hour HEO interferer   
        7.4     Scaling of results    
 8     Conclusions