For about one year the time scales UTC(OCA) and UTC(TUG) were compared by means of GPS and two-way satellite time transfer. At the end of the experiment both links were independently 'calibrated' by measuring the differential delays of the GPS receivers and of the satellite earth stations by transportation of a GPS receiver and of one of the satellite terminals. The results obtained by both methods differ by about 3 ns, but reveal a seasonal variation of about 8 ns peak-to-peak which is likely the result of a temperature-dependence of the delays of the GPS receivers used. For the comparison of both methods the stabilities of the timescales are of great importance. Unfortunately, during the last three months of the experiment a less stable clock had to be used for the generation of UTC(TUG).


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    Titel :

    Comparison of two-way satellite time transfer and GPS common-view time transfer between OCA and TUG


    Beteiligte:
    D. Kirchner (Autor:in) / U. Thyr (Autor:in) / H. Ressler (Autor:in) / R. Robnik (Autor:in) / P. Grudler (Autor:in) / F. Baumont (Autor:in) / Ch. Veillet (Autor:in) / W. Lewandowski (Autor:in) / W. Hanson (Autor:in) / A. Clements (Autor:in) ... [mehr]

    Kongress:

    23rd Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting ; 1991 ; Pasadena, CA, US



    Erscheinungsdatum :

    03.12.1991


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch





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