CONTENTS

Annex 1    
 1     Introduction      
 2     Area coverage  
        2.1     Building blockage  
        2.2     Vegetation attenuation        
        2.3     General advice       
 3     Effects of precipitation on availability        
        3.1     Simultaneous area coverage           
        3.2     Route diversity improvement          
 4     Propagation channel distortion      
        4.1     Frequency selective vegetation attenuation  
        4.2     Multipath from reflections   
 5     Interference