ESTABLISHMENT OF SECOND ORDER GEODETIC CONTROLS IN BAUCHI METROPOLIS USING DIFFERENTIAL GLOBAL POSITIONING SYSTEM (DGPS) RECEIVERS
Abstract
ABSTRACT
TheuseofGlobalPositioningSystem (GPS)asafastandefficientalternativeinthe
geodeticnetworkmeasurementshasbecomeacommonpracticeworldwide.The
advantagesofusingtheGPStechniquecomparedtothetraditionalsurveyingmethods
are based on accuracy,time and cost.In this study,the static-mode ofGPS
measurementtechniquehasbeenutilizedtoestablishaprecisegeodeticnetworkin
Bauchimetropolis.Thenetworkwasreferencedtoasinglecontrolstationthatis
relatedtotheInternationalTerrestrialReferenceFrame.Anumberoftwelvepointshave
beenconstructedandobservedaroundBauchimetropolis.Inparticular,threedayswere
usedfortheobservationaccordingtothedeterminedtriangles.Theleast-squares
methodwasusedintheadjustmentoftheGPSnetwork.Observationequationmethods
wasutilizedfortheadjustment.Themostprobablevaluesofthecoordinatesofthe
newly-establishedpointswerecomputedfrom themethodandtheywerefoundtobe
identical
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