RECOMMENDATION ITU-R S.1593 - Methodology for frequency sharing between certain types of homogeneous HEO ... ANNEX 1 - Methodology for sharing between certain types of homogeneous HEO non-GSO FSS systems in the 4/6 GHz and ... 1 Introduction 2 Description of methodology APPENDIX 1 TO ANNEX 1 - Example application of the methodology 1 Introduction 2 Parameters of the USAKU-H2 system used in the analyses 3 Sharing criterion used in the analysis 4 Application of the methodology 4.1 Step 1: Select a minimum true anomaly separation angle between satellites in adjacent constellations 4.2 Step 2: Determine the orbital locations (latitude, longitude and altitude) of the satellites that ... 4.3 Step 3: Determine the locations of the other satellite systems that are within the same active arc based ... 4.4 Step 4 : Determine the number of satellites and, thus, systems that are in the active arc 4.5 Step 5 : Select one satellite to be in the wanted satellite system and calculate the interference from ... 4.6 Step 6 : Calculate the resultant C/(I ? N) due to the aggregate interference from these multiple interfering ... 4.7 Step 7 : Repeat Steps 5 and 6 for each satellite as the wanted system 4.8 Step 8 : If the link budget performance requirements are not met, select a new minimum separation angle and .... 5 Second application of the methodology 6 Summary and conclusions