Abstract
Determination of a geodetic reference frame and a unique system of normal heights, meeting requests of geodynamic studies, demands an accomplishment of a complex of different types of geodetic measurements (space and terrestrial), as each of techniques separately unable to give a singular interpretation. A problem of precise determination of the quasigeoid heights can be solved by joined analysis of GPS/GLONASS measurements and gravimetric data, if for the GPS sites precise levelling data are available. An establishment of the Fiducial Astro-Geodetic network (FAGN), based mainly on the use of space geodesy technique, is a principal objective of the national programme which is carried out in Russia, under the management of the Federal Department of Geodesy and Cartography and in collaboration with research institutes of the Russian Academy of Sciences. A real situation with the existing russian stations for geodynamical monitoring is considered, and a programme of upgrading of the integrated fundamental geodetic network is discussed.
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