North American Datum 1983
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North American Datum 1983 Open
Datum Details [VALID]
Name: North American Datum 1983
Code: 6269
Type: geodetic
Usage:
Usage Details
Scope: Topographic mapping.
Extent:

Origin: NAD83 Doppler Transit stations in NWL 9D were aligned with the BIH Conventional Terrestrial Reference Frame (BTS) at epoch 1984.0 using an internationally adopted transformation. NAD83 is now known to be non-geocentric by about 2.2 meters.
Ellipsoid:
Prime Meridian:
Publication Date: 1986