Circuits to add a passive ranging capability to the Interferometric Landmark Tracker (ILT) to form a Passive Range Interferometer Sensor (PRAIS) were built and tested in the laboratory. The laboratory test data were used in a Monte Carlo simulation to demonstrate the performance of the PRAIS Navigation System in a highly eliptical orbit and a synchronous (1 deg inclination) orbit. Navigation accuracies better than 1000 ft and attitude accuracy better than 10 arcsec were indicated by the analyses. (Author)


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    Title :

    Self-Contained, High-Altitude Navigation System Study: PRAIS Navigation System. System Summary


    Contributors:
    D. H. Aldrich (author) / J. W. Simmons (author) / N. F. Toda (author)

    Publication date :

    1977


    Size :

    31 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English