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Geodetic Reference System 2015 - the Approach in North ... - CLGE

Geodetic Reference System 2015 - the Approach in North ... - CLGE

absolute gravimetric

absolute gravimetric measurements ���� 10 AGRAV-points Ministry of the Interior and Local Affairs NRW, Germany GNSS permanent stations: The connection of ���� 3D- coordinates (x,y,z) ���� height (NHN) ���� gravity __________________________________________________________________________________________________________ The Geodetic Infrastructure in Europe – today and tomorrow - Sweden, Umeå 22-23 June 2011

ellipsoidal height + (quasi) geoid undulation --------------------------- = NHN height Ministry of the Interior and Local Affairs NRW, Germany The accuracy of GNSS- satellite technique to determine NHNheights in the official geodetic reference frame is dependent (restricted) on the accuracy of the ellipsoidal height of the (CORS GNSS) SAPOS-stations and the accuracy of the geoid (undulation model). + = NHN __________________________________________________________________________________________________________ The Geodetic Infrastructure in Europe – today and tomorrow - Sweden, Umeå 22-23 June 2011

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