The activities carried out by the Smithsonian Astrophysical Observatory (SAO) for the National Aeronautics and Space Administration (NASA) during the period 1 July to 31 December 1978 are described. All four SAO laser sites were in routine operation during the reporting period; they obtained a 6-month total of 182,529 range observations on 3610 passes.


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    Titel :

    Satellite-tracking and earth-dynamics research programs


    Erscheinungsdatum :

    01.05.1979


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :