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1 2024

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Modernization of the basic gravimetric control network Polish Geological Institute - implementing a modern international gravimetric system and relationship with the historical Potsdam system

Olszak Tomasz, Rosowiecka Olga, Musiatewicz Mirosław, Targosz Paweł, Kulpiński Marek, Krupa Paweł, Stefański Marcin

Reports on Geodesy and Geoinformatics

2024

Vol. 117

1--10

The project of the gravimetric database reambulation from the collections of the Central Geological Archives set itself the goal of ending the era of gravimetric bases dualism and transferring both databases: gravimetric base and archival gravimetric semi-detailed measurements to the modern frame of gravity reference, consistent with ITGRS/F definitions and realizations. This will strengthen the interpretational potential of gravimetric data and will open the possibility of fully integrating Polish gravity data with international databases of this type, and will also allow for the performance of modern works in relation to the modern gravimetric control network, i.e., in relation to the highest possible precision of the reference definition of gravimetric measurements in the country. Whenever the article refers to the units in which the gravity vector is determined, milliGal [mGal] is used, and the relation to the SI system is as follows: 1mGal = 10–5ms–2 or microGal [µGal] where 1µGal = 10–8ms–2.