GNSS REFERENCE SYSTEMS AND FRAMES. ORBITS. (03)

GNSS reference systems In this presentation about GNSS reference systems, next topics are developed: GNSS coordinates (Reference System, Reference Frame, Coordinate System, GNSS Coordinate System) and Orbits (Ephemeris and Calculation of satellite coordinates). Reference systems and frames A reference system is a conceptual definition of theories, hypotheses and constants that allow the three coordinates to be placed in space so that…