Saturday, 21 April 2012
All About GPS Systems
GPS, abbreviation for Global Positioning System is the most accurate and sophisticated navigational system in the world. This system is used to track and determine one location on earth. This system was initially designed in 1960s by the US DOD (Department of Defense). Since then it has undergone various evolutionary changes in the past three decades. Many satellites were designed and launched during that period and finally a complete set of 24 satellites was integrated to form NAVSTAR in
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