geodeticDatum

Term name
geodeticDatum

Definition
The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude as based. Recommended best practice is use the EPSG code as a controlled vocabulary to provide an SRS, if known. Otherwise use a controlled vocabulary for the name or code of the geodetic datum, if known. Otherwise use a controlled vocabulary for the name or code of the ellipsoid, if known. If none of these is known, use the value "unknown".

Recommendation
As Applicable

Guidelines
GUIDELINES

Controlled vocabulary
CONTROLLED VOCABULARY OR LINK OR SENTENCE

Other resources
LINKS TO RESOURCES, PERHAPS WITH EXPLANATION