SK-42 reference system

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The SK-42 reference system also known as the Krasovsky ellipsoid, is a coordinate system established in the Soviet Union in 1942 as Systema koordinat (Russian: Система координат 1942 года), and provides parameters which are linked to the geocentric Cartesian coordinate system PZ-90. It was used in geodetic calculations, notably in military mapping and determining state borders.[1]

Citations and notes

  1. slide 11, Borodko


  • Borodko, Alexander, Topographic and geodetic provisions of the Russian Federation frontier delimitation and demarcation, Federal Agency of Geodesy and Cartography, International Symposium on Land and River Boundaries Demarcation and Maintenance in Support of Borderland Development, Bangkok, Thailand, 6–11 November 2006