Titlebook: Vertical Reference Systems; IAG Symposium Cartag Hermann Drewes,Alan H. Dodson,Pedro Sandoval Conference proceedings 2002 Springer-Verlag B

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The New Height System in Switzerlandlties in the application of modern techniques such as GPS for height determination in mountainous areas and in the data exchange with neighbouring countries. Therefore, a new rigorous height system LHN95, based on geopotential numbers and the corresponding geoid, is being determined at the Federal O

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Vertical Motions from Geodetic and Geological Data: a Critical Discussion of the Resultsallowed in the last decade to densify the geodetic network suitable for the maintenance of such reference system. It is well known that the height coordinates, estimated by GPS is less accurate than horizontal ones. By now we have many stations with a very long data time series which make feasible t

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Advances in the Calculation of a Height Transformation Model in Buenos Aires Provinceed to SIRGAS. The comparison with previous results is satisfactory, the differences are few centimetres..This new representation of the GPS Buenos Aires network also involves a new construction of the model to transform ellipsoidal heights into “mean sea level heights” in the frame of the IGM Argent

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Conference proceedings 2002nd Geophysics (IUGG), Birmingham 1999, by Professor Dr. Wolfgang Torge, Past President of the International Association of Geodesy (lAG) and representative of lAG to the Pan-American Institute of Geography and History (PAIGH). The idea was to organise another joint symposium of lAG and PAIGH like th

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he separation of the input unit from the calculation and from the output unit. For reducing the system requirements on Windows / Windows NT environments, the calculation unit is based on a distributed client / server architecture. It deals with dynamic job distribution within networks for parallel c

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W. Torgeupport these new demands our ways to manage environmental data needs to change. We receive more volumes of often less homogeneous data in more frequent intervals. We need to combine data from very different sources – environmental data based on legislation; data from research and big earth observati