References
- George W., and Collins II. (2004) The Foundations of Celestial Mechanics. Case Western Reserve University.
- Kaplan E., and Hegarty C. (2006) Understanding GPS: Principles and Applications. Artech House.
- Langley R. (1999) Dilution of precision. GPS World, Vol. 10, No. 5, 52-59.
- Misra P., and Enge P. (2006) Global Positioning System: Signals, Measurements, andPerformance. Ganga-Jamuna Press.
- Warren D., and Raquet J. (2002) Broadcast vs Precise GPS Ephemerides: A Historical Perspective, Proceedings of the 2002 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 2002, p. 733-741.