Leica Geosystems GPS Basics - Manual (Page 26)

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GPS Basics -1.0.0en Geodetic Aspects
4. Geodetic Aspects
Since GPS has become increasingly
popular as a Surveying and Navigation
instrument, surveyors and navigators
require a basic understanding of how
GPS positions relate to standard
mapping systems.
A common cause of errors in GPS
surveys is the result of incorrectly
understanding these relationships.