Technical Definitions of Systems

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  5. Technical Definitions of Systems

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  1. For purposes of more precisely defining the Tennessee Coordinate System of 1927, the following definition by the United States coast and geodetic survey, now the national ocean survey/national geodetic survey, is adopted:

    The “Tennessee Coordinate System of 1927” is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 35° 15' and 36° 25', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 86° 00' west of Greenwich and the parallel 34° 40' north latitude. This origin is given the coordinates: x (easting) = two million feet (2,000,000') and y (northing) = one hundred thousand feet (100,000').

  2. For purposes of more precisely defining the Tennessee Coordinate System of 1983, the following definition by the national ocean survey/national geodetic survey is adopted:

    The “Tennessee Coordinate System of 1983” is Lambert conformal conic projection of the North American Datum of 1983, having standard parallels at north latitudes 35° 15' and 36° 25', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 86° 00' west of Greenwich and the parallel 34° 20' north latitude. This origin is given the coordinates: x (easting) = six hundred thousand meters (600,000 m.) and y (northing) = zero meters (0 m.).

  3. The definition of the “U.S. Survey Foot” is exactly 1,200/3,937 meters.


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