The plan for this presentation Changes to the National Spatial Reference System 1.Brief overview of new"datums"for 2022 1.1 Four new Terrestrial Reference Frames of 2022.1.2 North American-Pacific Geopotential Datum of 2022.2.New State Plane Coordinates 2.1 State Plane Coordinate System of 2022(SPCS2022).2.2 Role of SPCS2022 stakeholders.2.3 Characteristics and design approach.2.4 Deadlines for stakeholder input.New"datums"summary 1.Modernizing the NSRS 1.1 Accurate and efficient;1.2 Consistent with GNSS(geocentric);1.3 Compatible with terrestrial methods(e.g.,leveling)2.4 new terrestrial reference frames.3.1 new geopotential("vertical")datum.4.Semi-dynamic: 4.1 All locations will have velocities("dynamic"part).4.2 Can get coordinates for specific dates("semi"part).5.Change of about 1-2 m in most locations.
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