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Polar motion determined by Doppler satellite observations
Abstract Doppler observations of Navy Navigation Satellites have been used to comput pole positions on a daily basis since 1969. Limited computations have been performed using data on file for the period 1964–1969. Results of recent computations give a standard error in pole position based on 48 hours of Doppler observations of 7 cm. However, effects of errors in the orbit due to uncertainties in the gravity field prevent the attainment of this precision; the standard deviation of pole position for this time span is 60 cm, giving a standard error for a five day mean based on observations of two satellites of 25 cm.
Polar motion determined by Doppler satellite observations
Abstract Doppler observations of Navy Navigation Satellites have been used to comput pole positions on a daily basis since 1969. Limited computations have been performed using data on file for the period 1964–1969. Results of recent computations give a standard error in pole position based on 48 hours of Doppler observations of 7 cm. However, effects of errors in the orbit due to uncertainties in the gravity field prevent the attainment of this precision; the standard deviation of pole position for this time span is 60 cm, giving a standard error for a five day mean based on observations of two satellites of 25 cm.
Polar motion determined by Doppler satellite observations
Anderle, R. J. (Autor:in)
Bulletin géodésique ; 50
1976
Aufsatz (Zeitschrift)
Englisch
Geodäsie , Geometrie , Geodynamik , Zeitschrift , Mathematik , Mineralogie
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