CONTENTS

Policy on Intellectual Property Right (IPR)
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     Effect of clutter shielding transmitting/base antenna
12     Terrain clearance angle correction
13     Location variability
14     Correction based on tropospheric scattering
15     Correction for antenna height difference
16     Horizontal distances less than 1 km
17     Equivalent basic transmission loss
18     Variability of atmospheric refractive index
19     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 4 000 MHz
Annex 5  Additional information and methods for implementing the prediction method
 1     Introduction
        1.1     The terminal designations
 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 applicable to the method approved by RRC‑06
 9     Correction for receiving/mobile antenna height
10     Cluttered transmitter correction
11     Terrain clearance angle correction
12     Location variability in land area-coverage prediction
13     Limiting field due to tropospheric scattering
14     Antenna-height difference
15     Distances less than 1 km
16     An approximation to the inverse complementary cumulative normal distribution function
17     Equivalent basic transmission loss
18     An approximation to the 0.6 Fresnel clearance path length
Annex 6  Procedure for the application of this Recommendation
Annex 7  Adjustment for different climatic regions
Annex 8  Comparison with the Okumura-Hata method