Horizontal Coordinate System Definition
The following elements comprise the Horizontal Coordinate System Definition:
	Horizontal Coordinate System Definition, mandatory if applicable the reference frame or system from which linear or angular quantities are measured and assigned to the position that a point occupies
	One of the Following Sections:
		Geographic, mandatory the quantities of latitude and longitude which define the position of a point on the Earth's surface with respect to a reference spheroid.
		Planar, mandatory the quantities of distances, or distances and angles, which define the position of a point on a reference plane to which the surface of the Earth has been projected. Note: can be repeated unlimited times
		Local, mandatory a description of any coordinate system that is not aligned with the surface of the Earth.
	Geodetic Model, mandatory if applicable parameters for the shape of the earth.
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