Abstract
The paper presents the results obtained in four points regarding the astro-geodetic vertical deviation determination. The four points located in the metropolitan area of Bucharest city and they are stationed twice, in 2015 and 2023. Observations were realized by a platform composed by an electronic total station coupling with a micro-CCD camera and a GPS time receiver, all controlled by a portable PC. For every station were realized more sessions of observations in both years. For vertical deviation calculus we used geodetic coordinates extracted from models, while astronomical coordinates were measured in the field. The goal of these astro-geodetic determinations is to serve for testing and evaluating global geoid models as EGM2008 and GOCE, as well as to validate the historical astro-geodetic determinations in our country
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