User equipment for LEO spacecraft positioning using NAVSAT and GPS is defined, and a development approach is outlined. It is concluded that both systems are cost effective. When the high performance P-Code receiver is required, the implementation of existing U.S. equipment in collaboration with American firms is recommended. This offers lower risks and lower investment by European resources, compared to a full European development. For applications where C/A code receivers can be used a study phase is recommended in order to define and evaluate the required changes over the existing European C/A receiver developments to decide upon the suitability of the modified receivers for space applications. Regarding Columbus as a candidate to carry a GPS receiver, simulations and ground tests are recommended in favor of an earlier experimental mission. Columbus would be very costly and the feasibility of using GPS as a spacecraft navigation system is already established in experimental missions.


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    Title :

    Accurate Position Measuring Spacecraft Package


    Contributors:
    J. Deza (author) / C. Reines (author) / E. Domingo (author) / F. Mata (author) / C. Carnebianca (author)

    Publication date :

    1986


    Size :

    637 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Accurate Position Measuring Spacecraft Package, Executive Summary

    J. Deza / C. Reines / E. Domingo et al. | NTIS | 1986



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