1. Global Positioning System (GPS)
Presented by Dave Ketchen

2. 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

3. History
Invented by MIT graduate Ivan Getting

4. History
Originally consisted of 11 satellites

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

6. History

7. History
1973 America decided to develop a system

8. History
1977 Triggered an important series of events

9. How GPS Works
GPS requires 24 satellites

10. How GPS Works
Trialation

11. 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

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

13. Conclusion

14. Works Cited http://www.maps-gps-info.com/gps-history.html