Horizontal Coordinate System Definition, Geographic
The following elements comprise the Horizontal Coordinate System Definition, Geographic section:
	Latitude Resolution, mandatory the minimum difference between two adjacent latitude values expressed in Geographic Coordinate Units of measure.
	Longitude Resolution, mandatory the minimum difference between two adjacent longitude values expressed in Geographic Coordinate Units of measure.
	Geographic Coordinate Units, mandatory units of measure used for the latitude and longitude values. Valid Domain values included: "Decimal degrees | Decimal minutes | Decimal seconds | Degrees and decimal minutes | Degrees, minutes, and decimal seconds | Radians | Grads"
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