Accuracy assessment of Precise Point Positioning with multi-constellation GNSS data under ionospheric scintillation effects
GPS and GLONASS are currently the Global Navigation Satellite Systems (GNSS) with full operational capacity.The integration of GPS, GLONASS and future GNSS constellations can provide better accuracy and more reliability in geodetic positioning, in particular for kinematic Precise Point Positioning (PPP), where the satellite geometry is considered a