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Observational analysis suggests inter-satellite measurements enhance GPS ephemerides accuracy in autonomous navigation.
In this paper is considered the problem of autonomous navigation of the global navigation satellite system using inter-satellite measurements (ISMs) on a moving time interval. The accuracy of the ephemerides of GPS navigation spacecrafts in the conditions of auto-navigation is investigated depending on the circumstances of ISMs. In particular, it is shown that autonomous navigation for almost two months makes it possible to provide consumers with GPS ephemerides of the submeter accuracy level (SIS URE).
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V. A. Avdyushev (2025) studied this question.
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