GPS Precise Point Positioning Program
A high-precision GPS precise point positioning program developed in Japan with excellent accuracy performance
Source Code for Calculating GPS Accuracy Factors (Dilution of Precision)
High-quality source code for computing GPS accuracy factors including GDOP, PDOP, and other DOP values. Features a Japanese-developed precise point positioning (PPP) program for GPS, with fully executable implementations containing matrix operations for satellite geometry analysis and statistical error calculations.