CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Method description
        2.1     Transmission loss
        2.2     Power available
        2.3     Power density
        2.4     Desired-to-undesired signal ratio
 3     Horizon geometry
        3.1     Effective earth radius
 4     High antenna height
        4.1     Smooth earth horizons
        4.2     Facility radio horizon
        4.3     Higher antenna (aircraft or satellite) horizon
 5     Diffraction region
        5.1     Rounded earth diffraction
        5.2     Knife-edge diffraction
        5.3     Diffraction attenuation
 6     Line-of-sight region
        6.1     Two-ray path length geometry
        6.2     Effective Reflection Coefficient
                  6.2.1     Divergence and ray length factors
                  6.2.2     Surface roughness factors
                  6.2.3     Antenna pattern gain factors
                  6.2.4     Plane earth reflection coefficients
        6.3     Line-of-sight transition distance, d0
        6.4     Line-of-sight attenuation, ALoS
 7     Scattering region
 8     Terrain attenuation
 9     Free space loss
10     Atmospheric absorption
       10.1     Surface absorption rates
                  10.1.1     Determining ray length
                  10.1.2     Line-of-sight paths (ddML)
                  10.1.3     Single horizon paths (dMLddL1 + dLo1)
                  10.1.4     Two horizon paths
11     Variability
       11.1     Variability due to long-term fading
                  11.1.1     Time blocks
                  11.1.2     Climates
       11.2     Variation due to multipath
                  11.2.1     Surface reflection multipath
                  11.2.2     Tropospheric multipath
                  11.2.3     Variation due to multipath
       11.3     Rain attenuation
       11.4     Variation due to scintillation
       11.5     Mixing distributions
Attachment 1
 1     Ray tracing
 2     Counterpoise or ground plane
        2.1     Effective reflection coefficient
        2.2     Counterpoise factors
 3     Cumulative distribution
Attachment 2  Abbreviations, acronyms and symbols
Attachment 3  Data sets from Figs 13 and 16