Comparison of GLONASS and GPS time transfers

Details Comparison of GLONASS and GPS time transfers Comparison of GLONASS and GPS time transfers

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.340..249d&link_type=abstract

In ESA, Frequency and Time Forum p 249-252 (SEE N93-24978 09-70)

Computer Science

Comparison, Global Positioning System, Satellite Navigation Systems, Time, Time Measurement, Delay, Metrology, Navigation, Receivers, U.S.S.R. Space Program

Scientific paper

The Russian Global Space Navigation System GLONASS could provide a technique similar to GPS (Global Positioning System) for international time comparison. The main limitation to its use for time transfer lies in the lack of commercially available time receivers. The building of a GPS/GLONASS receiver and continuous information collected about GLONASS time and its comparison with GPS time are reported. Russian built GLONASS navigation receivers built for time comparisons are addressed. Since June 1991, a GPS time receiver has been operating. This offered for the first time an opportunity for direct comparison of time transfers using GPS and GLONASS. This 7 month experiment shows that even with relatively imprecise data recordings and processing, in terms of time metrology, GLONASS can provide continental time transfer at a level of several tens of nanoseconds.

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