Policy on Intellectual Property Right (IPR)
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
4.3 Use of radio-climatic information from other Recommendations
5 Distance limits
5.1 Minimum distance
limits
5.2 Maximum distance limits
5.3 Use of distance limits for iterative calculations
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))
Attachment 1 to Annex 1
Attachment 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 790 MHz
3 Frequencies between 790 MHz and 60 GHz
4 Frequencies between 60 GHz and 105 GHz
Attachment 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 Determination of auxiliary contours for propagation mode (2)
4.1 The step-by-step algorithm
Attachment 4 to Annex 1 Reference radiation patterns for line-of-sight
radio-relay system antennas for use in coordination studies and interference
assessment
Attachment 5 to Annex 1 Input and derived parameters