GPS Baseline Vectors in a Threedimensional Integrated Adjustment Approach

des Instituts für Geodäsie

Heft 19/1986

GPS Baseline Vectors
in a Threedimensional
Integrated Adjustment Approach

Herbert LANDAU

In: LANDAU, Herbert / EISSFELLER, Bernd / HEIN, Günter W. [1986]:
GPS Research 1985 at the Institute of Astronomical and Physical Geodesy
Schriftenreihe Universitärer Studiengang Vermessungswesen, Universität der Bundeswehr München, Heft 19, Neubiberg, S. 127-159.


The Global Positioning System (GPS) offers the possibility to determine soordinate differences in a threedimensional coordinate system with high accuracy. In geodesy GPS will be able to replace (nearly) all surveying techniques currently used for observations between points separated by more than a few tens of kilometers. Therefore it is necessary to derive models for the integration of GPS-vectors in classical networks and coordinate systems.

GPS baseline vectors are pure geometrical values allowing a coordinate determination in a 3D-Euclidian space.

In order to use the full potential of GPS it is necessary to solve the following problems:

(i)   The transformation problem

(ii)  The determination of orthometric heights

Integrated geodesy allows by combination of GPS baseline vectors with other geodetic observations the determination of both, pure geometric positions and dynamical parameters as orthometric and geoidal heights.

The results of numerical investigations are presented to show the efficiency of the integrated geodesy model in network adjustments using GPS baseline vectors.

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