TABLE 1

List of open satellite-based high-accuracy GNSS correction services

SystemServiceSatelliteStatusData RateFormat
QZSS CLASNationwide PPP-RTKIGSO/GEOOperational (2018-)2,000 bpsCompact SSR
QZSS MADOCARegional PPPIGSO/GEOExperimental (2017-)2,000 bpsRTCM SSR
Galileo HASGlobal PPPMEODevelopment (2022-)500 bpsBased on Compact SSR
BeiDou PPPRegional PPPGEOOperational (2020-)500 bpsSSR (PPP-B2bI ICD)
SouthPAN PVSRegional PPPGEODevelopment (2023-)250 bpsUnder definition
GLONASS PPPRegional PPPGEOConcept (2030-)4,000 bpsRTCM SSR