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1Before GPS
List and describe two methods used to orientate yourself (understand where you are located) on the Earth prior to GPS?
http://www.nasm.si.edu/exhibitions/gps/before.html
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22-D Trilateration
2-D Trilateration: Draw the diagram of triangulation and describe how it works.
http://electronics.howstuffworks.com/gadgets/travel/gps1.htm
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3What is GPS?
GPS stands for...; GPS works by... ; GPS was developed by...and was used to...; GPS are extremely accurate. They can get your location within _______________meters.
http://www8.garmin.com/aboutGPS/
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43-D Trilateration
3-D Trilateration: What two things does a GPS receive need in order to work?
http://electronics.howstuffworks.com/gadgets/travel/gps2.htm
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5What is WAAS?
WAAS Stands for...; WAAS works by...; The reason why WAAS is better is because... .
http://www8.garmin.com/aboutGPS/waas.html
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6What is GIS?
What is GIS? Give an example.
http://gis.com/