RECOMMENDATION ITU-R P.620-4 - PROPAGATION DATA REQUIRED FOR THE EVALUATION OF COORDINATION ...
ANNEX 1
1 Introduction
2 Structure of the Recommendation
3 General considerations
    3.1 Assumptions
    3.2 Overview of propagation models
4 Radio-climatic information
    4.1 Radio-climatic data
    4.2 Radio-climatic zones
5 Distance limits
    5.1 Minimum distance limits
    5.2 Maximum distance limits
6 Determination of the coordination distance for propagation mode (1) - Great circle propagation mechanisms
    6.1 Coordination distances based on worst-month time percentages
    6.2 Calculation of the coordination distance for propagation mode (1)
7 Determination of the coordination distance for propagation mode (2) - Scattering from hydrometeors
    7.1 General
    7.2 Coordination distances based on worst-month time percentages
    7.3 Calculation of contours for propagation mode (2)
8 Auxiliary contours
    8.1 General
    8.2 Hydrometeor scatter (propagation mode (2))
APPENDIX 1 TO ANNEX 1
APPENDIX 2 TO ANNEX 1 - Calculation of the coordination distance for propagation mode (1)
1 Site shielding
2 Frequencies from 100 MHz up to and including 850 MHz
3 Frequencies between 850 MHz and 60 GHz
4 Frequencies between 60 GHz and 105 GHz
APPENDIX 3 TO ANNEX 1 - Calculation of the coordination distance for propagation mode (2)
1 Overview
2 Maximum calculation distance
3 Calculation of the propagation mode (2) coordination contour
4 Calculation of auxiliary contours for propagation mode (2)
    4.1 Overview
    4.2 The step-by-step algorithm
APPENDIX 4 TO ANNEX 1 - Reference radiation patterns for line-of-sight radio-relay system antennas for use in ...
APPENDIX 5 TO ANNEX 1 - Input and derived parameters