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The Institute of Geodesy (Institut für Erdmessung, IfE) at LUH (Leibniz Universität Hannover) plays a leading role in terrestrial gravimetry and regional geoid determination and its combination with satellite data (e.g. from GRACE). IfE acts as one of only four Lunar Analysis Centres of the International Laser Ranging Service (ILRS) worldwide, with strong concentration on relativistic effects in the Earth-Moon system. Here, a close co-operation with the German Fundamental Station Wettzell exists, which runs almost all space geodetic techniques to contribute to the determination of global reference frames and variations in Earth rotation. IfE also chairs the interdisciplinary DFG research unit "Earth rotation and global dynamic processes". At the IfE, GPS related investigations have been carried out for more than 20 years, e.g. establishment of permanent reference station networks or calibration of GNSS (Global Navigation Satellite Systems) antennas, also for the satellite mission GOCE.

IfE also contributes with various research projects to the cluster of excellence QUEST (Centre for Quantum Engineering and Space-Time Research). Click here to read more ...

Current research projects at the Institute of Geodesy

Terrestrial Gravimetry for Geodynamics, tide gauge monitoring, national and global networks  The Fennoscandian land uplift: A test and application area for GRACE  Installation of absolute gravimetric stations at the mountain Zugspitze, at the Wank and in    Garmisch-Partenkirchen  Absolute gravity measurements on the Faroes  Absolute gravity determinations in Denmark High-resolution gravity field modelling  Development of geoid modelling at IfE  European geoid model EGG97  European Gravity and Geoid Project (EGGP) of the International Association of Geodesy  German combined quasigeoid model GCG05  Regional validation and combination experiment (GOCE-GRAND)  CHAMP geoid (terminated) Analysis of satellite missions (GRACE and GOCE)  Quality Assessment of GOCE Gradients GNSS and Naviagtion  Improvement of the stochastic model of GNSS observables  Investigations of distance dependent systematic effects  Navigation and Positioning in difficult environments  Absolute calibration of GPS antennas - development of the calibration concept  Absolute calibration of GPS antennas - projects and services  Investigations of antenna near field effects  Analyse des Einflusses hochgenauer externer Uhren auf die GNSS-Auswertung  Qualitätssicherung für permanente GNSS-Stationen  Calibration of site-specific effects at GPS permanent stations (Project finished) Geodetic Astronomy  High precision determination of physical height reference surfaces with the digital zenith cmara system TZK2-D (currently only availble in german language) Analysis of lunar laser ranging

last change 18.03.2008 by webmaster Institute of Geodesy

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