NAVSTAR : GLOBAL POSITIONING SYSTEM (GPS)

Abstract

The principle of operation and characteristics of the NAVSTAR GPS system is discussed .The system will provide extremely accurate three-dimensional position and velocity information to users anywhere in the world .The measurement is based on receiving the R.F signal from four satellites of a total constellation of 18 .Accuracies on the order of 10 meters may be anticipated .This paper discusses also the possibility of implementation of the system in Egypt with the modification suggested to acquire the national conditions .