Key Activities

National Geodetic Datum

In determining national coordinate reference system, NGII provides high quality information on geodetic surveying

National Geodetic Reference Framework

Establishing and maintaining national control points nationwide (horizontal and vertical position) by using the state-of-art geodetic technologies

National control points are mainly used for civil engineering (measurement for construction) and also applied to the earth diastrophism and real-time location based service

[ Hierarchy of National Control Point ]