Also known as: dat.
DAT has various meanings in the The Finance and Administrative Services category. Discover the full forms, definitions, and usage contexts of DAT in The Finance and Administrative Services.
A predetermined level on a site from which all other levels are established. Or Any elevation taken as a reference point for levelling. 1. A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid.2. The mathematical model of the earth used to calculate the coordinates on any map. Different nations use different datum for printing coordinates on their maps.
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