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Searched for: Key Concept is Geography -- Geographic information systems (GIS)
Results 191 - 192 of 192
This animated tutorial introduces users to Global Positioning Systems (GPS) technology. Topics include what GPS is, how it works, timing, satellite error, differential GPS, and how to use GPS. There is also a glossary.
This resource discusses Differential Global Positioning Systems (DGPS), and why they were developed. It provides a brief history of GPS and the selective availability mode which was formerly used to degrade accuracy for...
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