Global Positioning System (GPS)

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Presentation transcript:

Global Positioning System (GPS) Presented by Dave Ketchen

What is a GPS? A global positioning system is a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver

History Invented by MIT graduate Ivan Getting

History Originally consisted of 11 satellites

History GPS technology originated in the 1950’s Sputnik was crucial to America’s technology revolution

History

History 1973 America decided to develop a system

History 1977 Triggered an important series of events

How GPS Works GPS requires 24 satellites

How GPS Works Trialation

What GPS Can Do Shows how far you have traveled How long you have been traveling Current speed Average speed A “ bread crumb” trail showing you exactly where you have traveled Estimated time of arrival Current Map

Price Range Publically sold GPS can be found anywhere from $80 to $1,900.

Conclusion

Works Cited http://www.maps-gps-info.com/gps-history.html http://www.howstuffworks.com/gadgets/travel/gps.htm