Abstract
For transition from the coordinate system CS-42 to the Earth-centered, Earth-fixed SCS-2011, correct transformation models are required. Such a model is a non-linear transformation of coordinate systems via the grid shift method. The Data Grid of transformation parameters from CS-42, CS-95 to SCS-2011 were developed in 2016 at the Federal Scientific and Technical Center of Geodesy, Cartography and Spatial Data Infrastructure and are called deformation matrices of CS-95 (CS-42). The accuracy of coordinate transformation is declared as 10 cm for areas with a high density of state geodetic network points. The author presents the results of the deformation matrix analysis for the Republic of Bashkortostan. Evaluation of errors in it due to violation of the mesh irregularity is presented. Recommendations for improving the model are given
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