Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Orbits  (60-second sampling, 60-second files) from NASA CDDIS
This product contains a time series of position and velocity components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma uncertainties for the positions and velocities are provided. The product is generated at JPL's Global Differential …