1. Experimental results of using the GPS for Landsat 4 onboard navigation;Birmingham;Navigation,1983
2. W. Bertiger et al., 20-Years of Precision Orbit Determination for Altimetry with GPS, Jet Propulsion Laboratory, California Institute of Technology, 2002.
3. USA and EU Member States, Agreement on the promotion, provision and use of Galileo and GPS satellite-based navigation systems and related applications, 2004.
4. Keeping track of geostationary satellites – a novel and less costly approach;Rosengren;ESA Bull.,2004
5. GPS Receiver Architecture for Autonomous Navigation in HEO;Moreau,2001