Fugro Marinestar GNSS precise point positioning service enhancements in 2024

The paper shows the improvements in the Fugro Marinestar algorithms in 2024. Using 120 GNSS reference stations uncalibrated phase biases are calculated for GPS, Galileo, BeiDou and Glonass(G4). using triple frequences. Worldwide 95 % position accuracy is 1–1.5 cm for east and north and 3–5 cm for the height. The concept of narrow and wide lanes using three frequencies is explained. Orbit and Clock corrections from third party has been extended with Galileo named XP3. The global convergence time is 29 seconds. Satguard Navigation Message Authentication on G4 has been added. Also new is Atomichron sub nanosecond timing.