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Location by Satellite
The Accuracy of
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2DRMS accurate almanac attributes base station battery block Boucher boundary bumps and lumps C/A code called carrier phase code channels collected computer file corner database datum determine differential correction Dilution of Precision DOPs earth elevation ellipsoid ephemeris example feature feet fence Figure fixed objects fixed receiver forest four satellites Fred Fred's Geographic Information Systems geoid GIS programs Global Positioning Systems GPS data GPS equipment GPS errors GPS information GPS location GPS map GPS receiver GPS software GPS unit hand-held HDOP horizontal intervals job name lites loca location information longitude Mapping receivers meters Multipath multiple point Navigating receivers ODBC orthometric height PDOP Photo Plane Coordinate System position Post-processing correction problem Real-time correction rock pile rover satel satellite location satellite orbits Selective Availability sequencing receiver single points spot stored TDOP tion topographic map tracked triangulation uncorrected Universal Transverse Mercator VDOP walk waypoint woodpecker tree