Abstract
In this article, the results of the research in a field of which uses active global navigation satellite system (GNSS) geodetic networks for the inventory of geodetic geometric tram tracks are presented. The applied measurement technique has been adapted for the designing of the geometric layout of tram tracks. Several configurations of receivers and settings of an active GNSS networks with the objective to increase the accuracy of positioning and the availability of accurate localization are investigated. The measurement methods are optimized in order to increase the accuracy of determining positions from 3 mm up to 6 mm. Thus, the study of deformations in geometric layouts—according to the authors—is already possible. The implementation techniques of the mobile satellite measurements in a field of tram track inventory process are presented in this article. The course of the measurements and the results of the inventory of the tram system in Gdansk, Poland have been discussed. The results have turned out to be extremely useful for the geometric track layout evaluation. It has been proved that the applied method allows a comprehensive tram network inventory to be performed based on satellite measurements. The presented method is fast and cost-efficient.
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