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Global Positioning System

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Essay title: Global Positioning System

Terry Hazelwood

Mr. Winkler

Business Data Systems 110

November 11, 2003

Global Positioning System

A global positioning system (GPS) consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver’s geographic location. A GPS receiver is a handheld or mountable device, which can be secured to an automobile, boat, airplane, farm and construction equipment, or a computer. Some GPS receivers send location information to a base station, where humans can give you personal directions.

GPS has a variety of uses: to locate a person or object; ascertain the best route between two points; monitor the movement of a person or object; or create a map (Slifka 16-19). GPSs help scientists, farmers, pilots, dispatchers, and rescue workers operate more productively and sagely. A rescue worker, for example, might use a GPS to create design maps for construction projects.

GPSs also are popular in consumer products for travel and recreational activities (Microsoft Word 2002 Project 2). Many cars use GPSs to provide drivers with directions or other information, automatically call for help if the airbag deploys, dispatch roadside assistance, unlock the driver’s side door if keys are locked in the car, and track the vehicle if it is stolen. For cars not equipped with a GPS, drivers can mount or place one in the clove compartment. Hikers and remote campers also carry GPS receivers in case they need emergency help or directions.

A new use of GPS places the device on a computer chip. The chip, called Digital Angel™, is worn as a bracelet or chain

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