CONTENTS

Annex 1 - Introduction    
 1     The propagation curves    
 2     Maximum field strengths   
 3     Computer-based tabulations        
 4     Step-by-step method       
 5     Designation of antennas    
 6     Transmitting/base antenna height   
 7     Transmitting/base antenna heights used for curves 
 8     Time variability 
 9     Mixed-path method         
10     Receiving/mobile antenna height  
11     Terrain clearance angle correction           
12     Location variability          
13     Equivalent basic transmission loss
14     Variability of atmospheric refractive index
15     Compatibility with the Okumura-Hata method     
Annex 2 - Frequency range 30 MHz to 300 MHz    
Annex 3 - Frequency range 300 MHz to 1 000 MHz    
Annex 4 - Frequency range 1 000 MHz to 3 000 MHz     
Annex 5 - Additional information and methods for implementing the prediction method    
 1     Introduction      
 2     Maximum field-strength values     
 3     Determination of transmitting/base antenna height, h₁         
        3.1     Land paths shorter than 15 km       
                  3.1.1     Terrain information not available    
                  3.1.2     Terrain information available          
        3.2     Land paths of 15 km or longer       
        3.3     Sea paths  
 4     Application of transmitting/base antenna height, h₁
        4.1     Transmitting/base antenna height, h₁, in the range 10 m to 3 000 m  
        4.2     Transmitting/base antenna height, h₁, in the range 0 m to 10 m         
For a land path:    
For a sea path:    
        4.3     Negative values of transmitting/base antenna height, h₁        
 5     Interpolation of field strength as a function of distance       
 6     Interpolation and extrapolation of field strength as a function of frequency  
 7     Interpolation of field strength as a function of percentage time        
 8     Mixed paths     
        8.1     The mixed path interpolation factor, A        
 9     Correction for receiving/mobile antenna height      
10     Correction for short urban/suburban paths           
11     Terrain clearance angle correction           
12     Location variability in land area-coverage prediction        
13     An approximation to the inverse complementary cumulative normal distribution function    
14     Equivalent basic transmission loss
15     An approximation to the 0.6 Fresnel clearance path length           
Annex 6 - Procedure for the application of this Recommendation    
Annex 7 - Comparison with the Okumura-Hata method    
Annex 8 - Adjustment for different climatic regions