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North PoleEquatorGreenwichDefinition of longitude. The Earth is seen here from above the North Pole,looking along the Axis, with the Equator forming the outer circle. The locationof Greenwich defines the Prime Meridian. The longitude of the point at thecenter of the red cross is determined by drawing a plane through it and theaxis, and measuring the angle between this plane and the Prime Meridian.
Latitude – change in the y direction – NorthingLongitude – change in the x direction – EastingTraditional negative in the southern and western hemispheres
Page 2: Uniqueness• A georeference may be
Page 5 and 6: ProcessReal WorldReference Ellipsoi
Page 7 and 8: Reference EllipsoidThe diameter of
Page 9 and 10: Ellipsodal and Datum• The referen
Page 11 and 12: Common Datums• WGS84 - World Geod
Page 13 and 14: Geographic: Latitude and Longitude
Page 15: Latitude and the Ellipsoid• Latit
Page 19 and 20: Classification of Projections• Fa
Page 21 and 22: Conic Projections• Conceptualized
Page 23 and 24: Multiple Projections Centered on th
Page 25 and 26: Zones are each six degrees of longi
Page 27 and 28: UTM Zones in the U.S.Zone numbers p
Page 29: State Plane Coordinates• Defined
Page 33 and 34: Township, Range, SectionTownships a
Page 35 and 36: Other ways to GeoreferencePlace Nam
Page 37 and 38: Postcodes as Georeferences• Defin
Page 39 and 40: ZIP d b d i i t tZIP code boundarie
Page 41: Users of Linear Referencing• Tran

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