Global differential GPS on NASA's DC-8 AirSAR flights
Recent tests of an Internet-based global differential GPS on NASA's DC-8 air SAR flights
New empirically-derived solar radiation pressure model for GPS satellites
Demonstration of decimeter-level real-time positioning of an airborne platform
Orbit determination of VSOP-2 with GPS measurements
Design of a Ground-based GPS System to Provide Near Real Time Estimates of Precipitable Water Vapor