PZ-90


PZ-90 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.

Revisions

PZ-90.02

Creation date - 2005; Epoch - 2002.0; Absolute positional accuracy - from 0.3 to 0.5 m; Relative positional accuracy - from 2 to 3 cm

PZ-90.11

Creation date - 2011; Epoch - 2010.0; Absolute positional accuracy - 5 cm; Relative positional accuracy - from 0.5 to 1 cm