Efficient Use of the Geostationary Satellite Orbit: Allotment Planning and Its Practical Use
The Allotment Plan was created and adopted in WARC-ORB2 held in 1989. For the practical use of the plan, especially when accommodating modifications or new requirements, it is still necessary to establish a workable algorithm to efficiently preserve margins for the unforeseen use. This paper proposes a concept of c/e ratio which is useful to find locations of additional requirements. It is also shown that the c/e ratio when combined with the concept of the predetermined arc can improve the use of the allotment plan.
KeywordsExpansion Ratio Contraction Ratio Allotment Plan Numerical Ratio Neighboring Satellite
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