Determining the course of a railway track axis using satellite methods relies on ensuring the precise assembly
of GNSS receivers in dedicated measuring devices. Depending on the number of receivers, solutions that are
based on placing the apparatus directly above the railway track axis (as well as in eccentric positions) are used
to indirectly obtain data to form the basis of the desired results. This publication describes the installation of
five GNSS receivers on a mobile measuring platform as part of the InnoSatTrack project. The methodology and
the procedure of the geodetic measurements required to obtain the geometrical configuration of the measuring
apparatus, specified in the technical project, are presented. The publication presents the principles of total station measurement methods as well as the steps taken to achieve precise results from staking out. The process of
acquiring the same configuration of the GNSS receivers, based on the geometry of the squares on the two measuring platforms that were used in the research, has been shown. The final determination of the position of the
receivers did not exceed an error of 0.010 m with an average error of 0.003 m, despite the occurrence of mounting difficulties. The results have demonstrated the high credibility and effectiveness of the presented solution.
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