RECOMMENDATION ITU-R S.738* - Procedure for determining if coordination is required between geostationary-satellite ...
ANNEX 1 - Method of calculation for determining if coordination is required between geostationary-satellite networks sharing 
1 Characteristics of networks
2 Calculation of the equivalent satellite link noise temperature and the transmission gain
    2.1 Introduction
    2.2 General formulation
    2.3 Derivation of two sets of T and ?
    2.4 Summary
3 Calculation of the apparent increase in equivalent noise temperature of the satellite link subject to an interfer...
4 Consideration of polarization isolation
5 Comparison between calculated and predetermined percentage increase in equivalent satellite link noise temperatur...
6 Procedure for signal-processing transponders
7 Determination of the satellite links to be considered in calculating the increase in equivalent satellite link no...
8 Data to be taken into consideration
9 Consideration of narrow-band carriers
10 Other considerations
    10.1 Clear-air attenuation
    10.2 Link noise temperature in a multi-carrier mode
APPENDIX 1 TO ANNEX 1 - /T calculations for geostationary satellites with unspecified earth-station locations