PZ-90
PZ-90, short for (Параметры Земли 1990 года, Parametry Zemli 1990 goda) is a geodetic datum defined for use in the GLONASS system.
PZ-90 uses ellipsoid parameters that are linked to the SK-42 reference system.
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Wikipedia
PZ-90, short for (Параметры Земли 1990 года, Parametry Zemli 1990 goda) is a geodetic datum defined for use in the GLONASS system.
PZ-90 uses ellipsoid parameters that are linked to the SK-42 reference system.