CONTENTS

Annex 1 - Technical and operational constraints for EESS (active) operating in the range 420-470 MHz    
 1     Technical constraints        
 2     Operational constraints    
 3     Protection criteria for existing services in the frequency range 420-470 MHz         
Annex 2 - Methodology for interference assessment and mitigation    
 1     Introduction      
 2     Calculation of interference to other services          
 3     Interference criteria for other services       
        3.1     Surveillance radars in radiolocation service 
        3.2     Tracking radars in radiolocation service      
 4     Example analysis of the unwanted signal from a spaceborne sensor to other services          
        4.1     Technical characteristics     
                  4.1.1     Spaceborne sensor           
                  4.1.2     Airborne radars    
        4.2     Analysis approach and results        
                  4.2.1     Computer simulations        
 5     Procedure to use methodology     
 6     Conclusion