EPSG:9103

NAD27 to ITRF2014 (1)

Attributes

Geodetic CRS: NAD27

Datum: North American Datum 1927

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: IOGP

Revision date: 2019-06-13

Steps of transformation: 1241 8971 7807 7790

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Definition: OGC Well Known Text 2 (2019)

CONCATENATEDOPERATION["NAD27 to ITRF2014 (1)",
    VERSION["IOGP-Usa GoM legacy"],
    SOURCECRS[
        GEOGCRS["NAD27",
            DATUM["North American Datum 1927",
                ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",4267]]],
    TARGETCRS[
        GEODCRS["ITRF2014",
            DYNAMIC[
                FRAMEEPOCH[2010]],
            DATUM["International Terrestrial Reference Frame 2014",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[Cartesian,3],
                AXIS["(X)",geocentricX,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["(Y)",geocentricY,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
                AXIS["(Z)",geocentricZ,
                    ORDER[3],
                    LENGTHUNIT["metre",1]],
            ID["EPSG",7789]]],
    STEP[
        COORDINATEOPERATION["NAD27 to NAD83 (1)",
            VERSION["NGS-Usa Conus"],
            SOURCECRS[
                GEOGCRS["NAD27",
                    DATUM["North American Datum 1927",
                        ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4267]]],
            TARGETCRS[
                GEOGCRS["NAD83",
                    DATUM["North American Datum 1983",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4269]]],
            METHOD["NADCON",
                ID["EPSG",9613]],
            PARAMETERFILE["Latitude difference file","conus.las"],
            PARAMETERFILE["Longitude difference file","conus.los"],
            OPERATIONACCURACY[0.15],
            ID["EPSG",1241],
            REMARK["Uses NADCON method which expects longitudes positive west; EPSG GeogCRS NAD27 (code 4267) and NAD83 (code 4269) have longitudes positive east. For application in Gulf of Mexico refer to IOGP report 373-26."]]],
    STEP[
        COORDINATEOPERATION["NAD83 to NAD83(2011) (1)",
            VERSION["IOGP-Usa GoM"],
            SOURCECRS[
                GEOGCRS["NAD83",
                    DATUM["North American Datum 1983",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4269]]],
            TARGETCRS[
                GEOGCRS["NAD83(2011)",
                    DATUM["NAD83 (National Spatial Reference System 2011)",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",6318]]],
            METHOD["Geocentric translations (geog2D domain)",
                ID["EPSG",9603]],
            PARAMETER["X-axis translation",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8605]],
            PARAMETER["Y-axis translation",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8606]],
            PARAMETER["Z-axis translation",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8607]],
            OPERATIONACCURACY[1.0],
            ID["EPSG",8971]]],
    STEP[
        CONVERSION["Conversion from NAD83(2011) (geog2D) to NAD83(2011) (geocentric)",
            METHOD["Geographic/geocentric conversions",
                ID["EPSG",9602]]]],
    STEP[
        COORDINATEOPERATION["Inverse of ITRF2008 to NAD83(2011) (1) (approx. inversion)",
            SOURCECRS[
                GEODCRS["NAD83(2011)",
                    DATUM["NAD83 (National Spatial Reference System 2011)",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[Cartesian,3],
                        AXIS["(X)",geocentricX,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Y)",geocentricY,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Z)",geocentricZ,
                            ORDER[3],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",6317]]],
            TARGETCRS[
                GEODCRS["ITRF2008",
                    DYNAMIC[
                        FRAMEEPOCH[2005]],
                    DATUM["International Terrestrial Reference Frame 2008",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[Cartesian,3],
                        AXIS["(X)",geocentricX,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Y)",geocentricY,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Z)",geocentricZ,
                            ORDER[3],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",5332]]],
            METHOD["Time-dependent Coordinate Frame rotation (geocen)",
                ID["EPSG",1056]],
            PARAMETER["X-axis translation",-0.99343,
                LENGTHUNIT["metre",1],
                ID["EPSG",8605]],
            PARAMETER["Y-axis translation",1.90331,
                LENGTHUNIT["metre",1],
                ID["EPSG",8606]],
            PARAMETER["Z-axis translation",0.52655,
                LENGTHUNIT["metre",1],
                ID["EPSG",8607]],
            PARAMETER["X-axis rotation",-0.02591467,
                ANGLEUNIT["arc-second",4.84813681109536E-06],
                ID["EPSG",8608]],
            PARAMETER["Y-axis rotation",-0.00942644999999999,
                ANGLEUNIT["arc-second",4.84813681109536E-06],
                ID["EPSG",8609]],
            PARAMETER["Z-axis rotation",-0.01159935,
                ANGLEUNIT["arc-second",4.84813681109536E-06],
                ID["EPSG",8610]],
            PARAMETER["Scale difference",-0.00171504,
                SCALEUNIT["parts per million",1E-06],
                ID["EPSG",8611]],
            PARAMETER["Rate of change of X-axis translation",-0.00079,
                LENGTHUNIT["metres per year",3.16887651727315E-08],
                ID["EPSG",1040]],
            PARAMETER["Rate of change of Y-axis translation",0.0006,
                LENGTHUNIT["metres per year",3.16887651727315E-08],
                ID["EPSG",1041]],
            PARAMETER["Rate of change of Z-axis translation",0.00134,
                LENGTHUNIT["metres per year",3.16887651727315E-08],
                ID["EPSG",1042]],
            PARAMETER["Rate of change of X-axis rotation",-6.667E-05,
                ANGLEUNIT["arc-seconds per year",1.53631468932076E-13],
                ID["EPSG",1043]],
            PARAMETER["Rate of change of Y-axis rotation",0.00075744,
                ANGLEUNIT["arc-seconds per year",1.53631468932076E-13],
                ID["EPSG",1044]],
            PARAMETER["Rate of change of Z-axis rotation",5.133E-05,
                ANGLEUNIT["arc-seconds per year",1.53631468932076E-13],
                ID["EPSG",1045]],
            PARAMETER["Rate of change of Scale difference",0.00010201,
                SCALEUNIT["parts per million per year",3.16887651727315E-14],
                ID["EPSG",1046]],
            PARAMETER["Parameter reference epoch",1997,
                TIMEUNIT["year",31556925.445],
                ID["EPSG",1047]],
            OPERATIONACCURACY[0.0],
            ID["INVERSE(EPSG)",7807],
            REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Joint derivation by Canada and US (tfm 6864) concatenated with IGS value for ITRF96>97 and IERS ITRF97>2008 transformations. See tfm 8264 for Canadian equivalent."]]],
    STEP[
        COORDINATEOPERATION["ITRF2008 to ITRF2014 (1)",
            VERSION["IERS-Wld"],
            SOURCECRS[
                GEODCRS["ITRF2008",
                    DYNAMIC[
                        FRAMEEPOCH[2005]],
                    DATUM["International Terrestrial Reference Frame 2008",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[Cartesian,3],
                        AXIS["(X)",geocentricX,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Y)",geocentricY,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Z)",geocentricZ,
                            ORDER[3],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",5332]]],
            TARGETCRS[
                GEODCRS["ITRF2014",
                    DYNAMIC[
                        FRAMEEPOCH[2010]],
                    DATUM["International Terrestrial Reference Frame 2014",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[Cartesian,3],
                        AXIS["(X)",geocentricX,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Y)",geocentricY,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                        AXIS["(Z)",geocentricZ,
                            ORDER[3],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",7789]]],
            METHOD["Time-dependent Position Vector tfm (geocentric)",
                ID["EPSG",1053]],
            PARAMETER["X-axis translation",-1.6,
                LENGTHUNIT["millimetre",0.001],
                ID["EPSG",8605]],
            PARAMETER["Y-axis translation",-1.9,
                LENGTHUNIT["millimetre",0.001],
                ID["EPSG",8606]],
            PARAMETER["Z-axis translation",-2.4,
                LENGTHUNIT["millimetre",0.001],
                ID["EPSG",8607]],
            PARAMETER["X-axis rotation",0,
                ANGLEUNIT["milliarc-second",4.84813681109536E-09],
                ID["EPSG",8608]],
            PARAMETER["Y-axis rotation",0,
                ANGLEUNIT["milliarc-second",4.84813681109536E-09],
                ID["EPSG",8609]],
            PARAMETER["Z-axis rotation",0,
                ANGLEUNIT["milliarc-second",4.84813681109536E-09],
                ID["EPSG",8610]],
            PARAMETER["Scale difference",0.02,
                SCALEUNIT["parts per billion",1E-09],
                ID["EPSG",8611]],
            PARAMETER["Rate of change of X-axis translation",0,
                LENGTHUNIT["millimetres per year",3.16887651727315E-11],
                ID["EPSG",1040]],
            PARAMETER["Rate of change of Y-axis translation",0,
                LENGTHUNIT["millimetres per year",3.16887651727315E-11],
                ID["EPSG",1041]],
            PARAMETER["Rate of change of Z-axis translation",0.1,
                LENGTHUNIT["millimetres per year",3.16887651727315E-11],
                ID["EPSG",1042]],
            PARAMETER["Rate of change of X-axis rotation",0,
                ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],
                ID["EPSG",1043]],
            PARAMETER["Rate of change of Y-axis rotation",0,
                ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],
                ID["EPSG",1044]],
            PARAMETER["Rate of change of Z-axis rotation",0,
                ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],
                ID["EPSG",1045]],
            PARAMETER["Rate of change of Scale difference",-0.03,
                SCALEUNIT["parts per billion per year",3.16887651727315E-17],
                ID["EPSG",1046]],
            PARAMETER["Parameter reference epoch",2010,
                TIMEUNIT["year",31556925.445],
                ID["EPSG",1047]],
            OPERATIONACCURACY[0.01],
            ID["EPSG",7790],
            REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Estimated using 127 stations at 125 sites."]]],
    USAGE[
        SCOPE["Oil and gas exploration and production."],
        AREA["United States (USA) - offshore Gulf of Mexico outer continental shelf (GoM OCS) - protraction areas South Padre Island; North Padre Island; Mustang Island; Matagorda Island; Brazos; Galveston; High Island; Sabine Pass; West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur; Corpus Christi; Port Isabel; East Breaks; Alaminos Canyon; Garden Banks; Keathley Canyon; Sigsbee Escarpment; Ewing Bank; Green Canyon; Walker Ridge; Amery Terrace; Mobile; Viosca Knoll; Mississippi Canyon; Atwater Valley; Lund; Lund South; Pensacola; Destin Dome; De Soto Canyon; Lloyd Ridge; Henderson; Florida Plain; Campeche Escarpment; Apalachicola; Florida Middle Ground; The Elbow; Vernon Basin; Howell Hook; Rankin; Gainesville; Tarpon Springs; St Petersburg; Charlotte Harbor; Pulley Ridge; Dry Tortugas; Tortugas Valley; Miami; Key West."],
        BBOX[23.82,-97.22,30.25,-81.17]],
    ID["EPSG",9103],
    REMARK["For use with legacy data - see CT code 9104 for alternative for new areas. Note that steps 1 and 2 are documented in the geog2D domain, steps 3 and 4 in the geocentric domain. Steps 3 and 4 may be implemented in one operation using CT code 8970."]]

Definition: PROJ.4

+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_conus.tif +step +proj=cart +ellps=GRS80 +step +inv +proj=helmert +x=0.99343 +y=-1.90331 +z=-0.52655 +rx=0.02591467 +ry=0.00942644999999999 +rz=0.01159935 +s=0.00171504 +dx=0.00079 +dy=-0.0006 +dz=-0.00134 +drx=6.667e-05 +dry=-0.00075744 +drz=-5.133e-05 +ds=-0.00010201 +t_epoch=1997 +convention=coordinate_frame +step +proj=helmert +x=-0.0016 +y=-0.0019 +z=-0.0024 +rx=0 +ry=0 +rz=0 +s=2e-05 +dx=0 +dy=0 +dz=0.0001 +drx=0 +dry=0 +drz=0 +ds=-3e-05 +t_epoch=2010 +convention=position_vector

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:9103","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_conus.tif +step +proj=cart +ellps=GRS80 +step +inv +proj=helmert +x=0.99343 +y=-1.90331 +z=-0.52655 +rx=0.02591467 +ry=0.00942644999999999 +rz=0.01159935 +s=0.00171504 +dx=0.00079 +dy=-0.0006 +dz=-0.00134 +drx=6.667e-05 +dry=-0.00075744 +drz=-5.133e-05 +ds=-0.00010201 +t_epoch=1997 +convention=coordinate_frame +step +proj=helmert +x=-0.0016 +y=-0.0019 +z=-0.0024 +rx=0 +ry=0 +rz=0 +s=2e-05 +dx=0 +dy=0 +dz=0.0001 +drx=0 +dry=0 +drz=0 +ds=-3e-05 +t_epoch=2010 +convention=position_vector");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "ConcatenatedOperation",
    "name": "NAD27 to ITRF2014 (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "NAD27",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1927",
            "ellipsoid": {
                "name": "Clarke 1866",
                "semi_major_axis": 6378206.4,
                "semi_minor_axis": 6356583.8
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4267
        }
    },
    "target_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF2014",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 2014",
            "frame_reference_epoch": 2010,
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Geocentric X",
                    "abbreviation": "X",
                    "direction": "geocentricX",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Y",
                    "abbreviation": "Y",
                    "direction": "geocentricY",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Z",
                    "abbreviation": "Z",
                    "direction": "geocentricZ",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 7789
        }
    },
    "steps": [
        {
            "type": "Transformation",
            "name": "NAD27 to NAD83 (1)",
            "source_crs": {
                "type": "GeographicCRS",
                "name": "NAD27",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "North American Datum 1927",
                    "ellipsoid": {
                        "name": "Clarke 1866",
                        "semi_major_axis": 6378206.4,
                        "semi_minor_axis": 6356583.8
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": "degree"
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": "degree"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 4267
                }
            },
            "target_crs": {
                "type": "GeographicCRS",
                "name": "NAD83",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "North American Datum 1983",
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": "degree"
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": "degree"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 4269
                }
            },
            "method": {
                "name": "NADCON",
                "id": {
                    "authority": "EPSG",
                    "code": 9613
                }
            },
            "parameters": [
                {
                    "name": "Latitude difference file",
                    "value": "conus.las",
                    "id": {
                        "authority": "EPSG",
                        "code": 8657
                    }
                },
                {
                    "name": "Longitude difference file",
                    "value": "conus.los",
                    "id": {
                        "authority": "EPSG",
                        "code": 8658
                    }
                }
            ],
            "accuracy": "0.15",
            "id": {
                "authority": "EPSG",
                "code": 1241
            },
            "remarks": "Uses NADCON method which expects longitudes positive west; EPSG GeogCRS NAD27 (code 4267) and NAD83 (code 4269) have longitudes positive east. For application in Gulf of Mexico refer to IOGP report 373-26."
        },
        {
            "type": "Transformation",
            "name": "NAD83 to NAD83(2011) (1)",
            "source_crs": {
                "type": "GeographicCRS",
                "name": "NAD83",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "North American Datum 1983",
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": "degree"
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": "degree"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 4269
                }
            },
            "target_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "NAD83 (National Spatial Reference System 2011)",
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": "degree"
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": "degree"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 6318
                }
            },
            "method": {
                "name": "Geocentric translations (geog2D domain)",
                "id": {
                    "authority": "EPSG",
                    "code": 9603
                }
            },
            "parameters": [
                {
                    "name": "X-axis translation",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8605
                    }
                },
                {
                    "name": "Y-axis translation",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8606
                    }
                },
                {
                    "name": "Z-axis translation",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8607
                    }
                }
            ],
            "accuracy": "1.0",
            "id": {
                "authority": "EPSG",
                "code": 8971
            }
        },
        {
            "type": "Conversion",
            "name": "Conversion from NAD83(2011) (geog2D) to NAD83(2011) (geocentric)",
            "method": {
                "name": "Geographic/geocentric conversions",
                "id": {
                    "authority": "EPSG",
                    "code": 9602
                }
            }
        },
        {
            "type": "Transformation",
            "name": "Inverse of ITRF2008 to NAD83(2011) (1)",
            "source_crs": {
                "type": "GeodeticCRS",
                "name": "NAD83(2011)",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "NAD83 (National Spatial Reference System 2011)",
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                        {
                            "name": "Geocentric X",
                            "abbreviation": "X",
                            "direction": "geocentricX",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Y",
                            "abbreviation": "Y",
                            "direction": "geocentricY",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Z",
                            "abbreviation": "Z",
                            "direction": "geocentricZ",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 6317
                }
            },
            "target_crs": {
                "type": "GeodeticCRS",
                "name": "ITRF2008",
                "datum": {
                    "type": "DynamicGeodeticReferenceFrame",
                    "name": "International Terrestrial Reference Frame 2008",
                    "frame_reference_epoch": 2005,
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                        {
                            "name": "Geocentric X",
                            "abbreviation": "X",
                            "direction": "geocentricX",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Y",
                            "abbreviation": "Y",
                            "direction": "geocentricY",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Z",
                            "abbreviation": "Z",
                            "direction": "geocentricZ",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 5332
                }
            },
            "method": {
                "name": "Inverse of Time-dependent Coordinate Frame rotation (geocen)",
                "id": {
                    "authority": "INVERSE(EPSG)",
                    "code": 1056
                }
            },
            "parameters": [
                {
                    "name": "X-axis translation",
                    "value": 0.99343,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8605
                    }
                },
                {
                    "name": "Y-axis translation",
                    "value": -1.90331,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8606
                    }
                },
                {
                    "name": "Z-axis translation",
                    "value": -0.52655,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8607
                    }
                },
                {
                    "name": "X-axis rotation",
                    "value": 25.91467,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8608
                    }
                },
                {
                    "name": "Y-axis rotation",
                    "value": 9.42645,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8609
                    }
                },
                {
                    "name": "Z-axis rotation",
                    "value": 11.59935,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8610
                    }
                },
                {
                    "name": "Scale difference",
                    "value": 1.71504,
                    "unit": {
                        "type": "ScaleUnit",
                        "name": "parts per billion",
                        "conversion_factor": 1e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8611
                    }
                },
                {
                    "name": "Rate of change of X-axis translation",
                    "value": 0.00079,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "metres per year",
                        "conversion_factor": 3.16887651727315e-08
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1040
                    }
                },
                {
                    "name": "Rate of change of Y-axis translation",
                    "value": -0.0006,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "metres per year",
                        "conversion_factor": 3.16887651727315e-08
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1041
                    }
                },
                {
                    "name": "Rate of change of Z-axis translation",
                    "value": -0.00134,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "metres per year",
                        "conversion_factor": 3.16887651727315e-08
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1042
                    }
                },
                {
                    "name": "Rate of change of X-axis rotation",
                    "value": 0.06667,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1043
                    }
                },
                {
                    "name": "Rate of change of Y-axis rotation",
                    "value": -0.75744,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1044
                    }
                },
                {
                    "name": "Rate of change of Z-axis rotation",
                    "value": -0.05133,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1045
                    }
                },
                {
                    "name": "Rate of change of Scale difference",
                    "value": -0.10201,
                    "unit": {
                        "type": "ScaleUnit",
                        "name": "parts per billion per year",
                        "conversion_factor": 3.16887651727315e-17
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1046
                    }
                },
                {
                    "name": "Parameter reference epoch",
                    "value": 1997,
                    "unit": {
                        "type": "TimeUnit",
                        "name": "year",
                        "conversion_factor": 31556925.445
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1047
                    }
                }
            ],
            "accuracy": "0.0",
            "id": {
                "authority": "INVERSE(EPSG)",
                "code": 7807
            },
            "remarks": "Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Joint derivation by Canada and US (tfm 6864) concatenated with IGS value for ITRF96>97 and IERS ITRF97>2008 transformations. See tfm 8264 for Canadian equivalent."
        },
        {
            "type": "Transformation",
            "name": "ITRF2008 to ITRF2014 (1)",
            "source_crs": {
                "type": "GeodeticCRS",
                "name": "ITRF2008",
                "datum": {
                    "type": "DynamicGeodeticReferenceFrame",
                    "name": "International Terrestrial Reference Frame 2008",
                    "frame_reference_epoch": 2005,
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                        {
                            "name": "Geocentric X",
                            "abbreviation": "X",
                            "direction": "geocentricX",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Y",
                            "abbreviation": "Y",
                            "direction": "geocentricY",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Z",
                            "abbreviation": "Z",
                            "direction": "geocentricZ",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 5332
                }
            },
            "target_crs": {
                "type": "GeodeticCRS",
                "name": "ITRF2014",
                "datum": {
                    "type": "DynamicGeodeticReferenceFrame",
                    "name": "International Terrestrial Reference Frame 2014",
                    "frame_reference_epoch": 2010,
                    "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                    }
                },
                "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                        {
                            "name": "Geocentric X",
                            "abbreviation": "X",
                            "direction": "geocentricX",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Y",
                            "abbreviation": "Y",
                            "direction": "geocentricY",
                            "unit": "metre"
                        },
                        {
                            "name": "Geocentric Z",
                            "abbreviation": "Z",
                            "direction": "geocentricZ",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 7789
                }
            },
            "method": {
                "name": "Time-dependent Position Vector tfm (geocentric)",
                "id": {
                    "authority": "EPSG",
                    "code": 1053
                }
            },
            "parameters": [
                {
                    "name": "X-axis translation",
                    "value": -1.6,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetre",
                        "conversion_factor": 0.001
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8605
                    }
                },
                {
                    "name": "Y-axis translation",
                    "value": -1.9,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetre",
                        "conversion_factor": 0.001
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8606
                    }
                },
                {
                    "name": "Z-axis translation",
                    "value": -2.4,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetre",
                        "conversion_factor": 0.001
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8607
                    }
                },
                {
                    "name": "X-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8608
                    }
                },
                {
                    "name": "Y-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8609
                    }
                },
                {
                    "name": "Z-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-second",
                        "conversion_factor": 4.84813681109536e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8610
                    }
                },
                {
                    "name": "Scale difference",
                    "value": 0.02,
                    "unit": {
                        "type": "ScaleUnit",
                        "name": "parts per billion",
                        "conversion_factor": 1e-09
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8611
                    }
                },
                {
                    "name": "Rate of change of X-axis translation",
                    "value": 0,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetres per year",
                        "conversion_factor": 3.16887651727315e-11
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1040
                    }
                },
                {
                    "name": "Rate of change of Y-axis translation",
                    "value": 0,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetres per year",
                        "conversion_factor": 3.16887651727315e-11
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1041
                    }
                },
                {
                    "name": "Rate of change of Z-axis translation",
                    "value": 0.1,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "millimetres per year",
                        "conversion_factor": 3.16887651727315e-11
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1042
                    }
                },
                {
                    "name": "Rate of change of X-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1043
                    }
                },
                {
                    "name": "Rate of change of Y-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1044
                    }
                },
                {
                    "name": "Rate of change of Z-axis rotation",
                    "value": 0,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "milliarc-seconds per year",
                        "conversion_factor": 1.53631468932076e-16
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1045
                    }
                },
                {
                    "name": "Rate of change of Scale difference",
                    "value": -0.03,
                    "unit": {
                        "type": "ScaleUnit",
                        "name": "parts per billion per year",
                        "conversion_factor": 3.16887651727315e-17
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1046
                    }
                },
                {
                    "name": "Parameter reference epoch",
                    "value": 2010,
                    "unit": {
                        "type": "TimeUnit",
                        "name": "year",
                        "conversion_factor": 31556925.445
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 1047
                    }
                }
            ],
            "accuracy": "0.01",
            "id": {
                "authority": "EPSG",
                "code": 7790
            },
            "remarks": "Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Estimated using 127 stations at 125 sites."
        }
    ],
    "scope": "Oil and gas exploration and production.",
    "area": "United States (USA) - offshore Gulf of Mexico outer continental shelf (GoM OCS) - protraction areas South Padre Island; North Padre Island; Mustang Island; Matagorda Island; Brazos; Galveston; High Island; Sabine Pass; West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur; Corpus Christi; Port Isabel; East Breaks; Alaminos Canyon; Garden Banks; Keathley Canyon; Sigsbee Escarpment; Ewing Bank; Green Canyon; Walker Ridge; Amery Terrace; Mobile; Viosca Knoll; Mississippi Canyon; Atwater Valley; Lund; Lund South; Pensacola; Destin Dome; De Soto Canyon; Lloyd Ridge; Henderson; Florida Plain; Campeche Escarpment; Apalachicola; Florida Middle Ground; The Elbow; Vernon Basin; Howell Hook; Rankin; Gainesville; Tarpon Springs; St Petersburg; Charlotte Harbor; Pulley Ridge; Dry Tortugas; Tortugas Valley; Miami; Key West.",
    "bbox": {
        "south_latitude": 23.82,
        "west_longitude": -97.22,
        "north_latitude": 30.25,
        "east_longitude": -81.17
    },
    "id": {
        "authority": "EPSG",
        "code": 9103
    },
    "remarks": "For use with legacy data - see CT code 9104 for alternative for new areas. Note that steps 1 and 2 are documented in the geog2D domain, steps 3 and 4 in the geocentric domain. Steps 3 and 4 may be implemented in one operation using CT code 8970."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=axisswap"
	"order=2,1"
	"step"
	"proj=unitconvert"
	"xy_in=deg"
	"xy_out=rad"
	"step"
	"proj=hgridshift"
	"grids=us_noaa_conus.tif"
	"step"
	"proj=cart"
	"ellps=GRS80"
	"step"
	"inv"
	"proj=helmert"
	"x=0.99343"
	"y=-1.90331"
	"z=-0.52655"
	"rx=0.02591467"
	"ry=0.00942644999999999"
	"rz=0.01159935"
	"s=0.00171504"
	"dx=0.00079"
	"dy=-0.0006"
	"dz=-0.00134"
	"drx=6.667e-05"
	"dry=-0.00075744"
	"drz=-5.133e-05"
	"ds=-0.00010201"
	"t_epoch=1997"
	"convention=coordinate_frame"
	"step"
	"proj=helmert"
	"x=-0.0016"
	"y=-0.0019"
	"z=-0.0024"
	"rx=0"
	"ry=0"
	"rz=0"
	"s=2e-05"
	"dx=0"
	"dy=0"
	"dz=0.0001"
	"drx=0"
	"dry=0"
	"drz=0"
	"ds=-3e-05"
	"t_epoch=2010"
	"convention=position_vector"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_conus.tif +step +proj=cart +ellps=GRS80 +step +inv +proj=helmert +x=0.99343 +y=-1.90331 +z=-0.52655 +rx=0.02591467 +ry=0.00942644999999999 +rz=0.01159935 +s=0.00171504 +dx=0.00079 +dy=-0.0006 +dz=-0.00134 +drx=6.667e-05 +dry=-0.00075744 +drz=-5.133e-05 +ds=-0.00010201 +t_epoch=1997 +convention=coordinate_frame +step +proj=helmert +x=-0.0016 +y=-0.0019 +z=-0.0024 +rx=0 +ry=0 +rz=0 +s=2e-05 +dx=0 +dy=0 +dz=0.0001 +drx=0 +dry=0 +drz=0 +ds=-3e-05 +t_epoch=2010 +convention=position_vector">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_conus.tif +step +proj=cart +ellps=GRS80 +step +inv +proj=helmert +x=0.99343 +y=-1.90331 +z=-0.52655 +rx=0.02591467 +ry=0.00942644999999999 +rz=0.01159935 +s=0.00171504 +dx=0.00079 +dy=-0.0006 +dz=-0.00134 +drx=6.667e-05 +dry=-0.00075744 +drz=-5.133e-05 +ds=-0.00010201 +t_epoch=1997 +convention=coordinate_frame +step +proj=helmert +x=-0.0016 +y=-0.0019 +z=-0.0024 +rx=0 +ry=0 +rz=0 +s=2e-05 +dx=0 +dy=0 +dz=0.0001 +drx=0 +dry=0 +drz=0 +ds=-3e-05 +t_epoch=2010 +convention=position_vector">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9103, 'EPSG', 9103, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_conus.tif +step +proj=cart +ellps=GRS80 +step +inv +proj=helmert +x=0.99343 +y=-1.90331 +z=-0.52655 +rx=0.02591467 +ry=0.00942644999999999 +rz=0.01159935 +s=0.00171504 +dx=0.00079 +dy=-0.0006 +dz=-0.00134 +drx=6.667e-05 +dry=-0.00075744 +drz=-5.133e-05 +ds=-0.00010201 +t_epoch=1997 +convention=coordinate_frame +step +proj=helmert +x=-0.0016 +y=-0.0019 +z=-0.0024 +rx=0 +ry=0 +rz=0 +s=2e-05 +dx=0 +dy=0 +dz=0.0001 +drx=0 +dry=0 +drz=0 +ds=-3e-05 +t_epoch=2010 +convention=position_vector', 'None');