This paper is an update of the on-orbit operational performance of the frequency standards on the last Block 1 Navstar satellite (GPS-10), the complete Block 2 Navstar satellites (GPS-13 to 21) and the Block 2A Navstar (GPS-22 to 40) satellites. Since the status of the GPS constellation is now at full operational capability (FOC), a minimum of twenty-four satellites are in position with all the necessary tests successfully completed. The evolution of frequency standards on board the GPS vehicles will be presented with corresponding results. Various methods and techniques will be presented to show on-orbit life time, down time, state of health telemetry, on-orbit trending and characterization of all the frequency standards. Other topics such as reliability, stability, clock quirks and idiosyncrasies of each vehicle will be covered.


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    Title :

    Cesium and Rubidium Frequency Standards Status and Performance on the GPS Program


    Contributors:


    Publication date :

    1996-05-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English







    Cesium and Rubidium Frequency Standards Status and Performance on the GPS Program

    Van Melle, M. J. / United States; National Aeronautics and Space Administration | British Library Conference Proceedings | 1995