This paper is an update of the on-orbit operational performance of the frequency standards on the Block I GPS 8 to 11 Navstar satellites, the Block 11 GPS 13 to 21 Navstar satellites and the Block IIA GPS 22 to 40 Navstar satellites. A brief history of the frequency standards depicting improvements incorporated in the GPS Program with corresponding results will be presented. The frequency standards configurations from the start to the present, including the various Block IIA clock configurations will be discussed. Topics such as clock observations and long term trending analysis which could enhance on-orbit performance analysis will be covered.


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    Titel :

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


    Beteiligte:

    Erscheinungsdatum :

    1993


    Format / Umfang :

    16 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch








    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