EPSG:9028

ITRF97 to IGS97 (1)

Attributes

Geodetic CRS: ITRF97

Datum: International Terrestrial Reference Frame 1997

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: International GNSS Service (IGS) via ISO Geodetic Registry.

Revision date: 2019-05-17

Scope: Geodesy.

Remarks: Scale difference in ppb where 1/billion = 1E-9 or nm/m. IGS97 is by definition aligned with ITRF97.

Method: Time-specific Position Vector transform (geocen)

Area of use: World.

Description: (0,)

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Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Transformation",
    "name": "ITRF97 to IGS97 (1)",
    "source_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF97",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 1997",
            "frame_reference_epoch": 1997,
            "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": 4918
        }
    },
    "target_crs": {
        "type": "GeodeticCRS",
        "name": "IGS97",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "IGS97",
            "frame_reference_epoch": 1997,
            "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": 9001
        }
    },
    "method": {
        "name": "Time-specific Position Vector transform (geocen)",
        "id": {
            "authority": "EPSG",
            "code": 1065
        }
    },
    "parameters": [
        {
            "name": "X-axis translation",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "id": {
                "authority": "EPSG",
                "code": 8605
            }
        },
        {
            "name": "Y-axis translation",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "id": {
                "authority": "EPSG",
                "code": 8606
            }
        },
        {
            "name": "Z-axis translation",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "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,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per billion",
                "conversion_factor": 1e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8611
            }
        },
        {
            "name": "Transformation reference epoch",
            "value": 1997,
            "unit": {
                "type": "TimeUnit",
                "name": "year",
                "conversion_factor": 31556925.445
            },
            "id": {
                "authority": "EPSG",
                "code": 1049
            }
        }
    ],
    "accuracy": "0.0",
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 9028
    },
    "remarks": "Scale difference in ppb where 1/billion = 1E-9 or nm/m. IGS97 is by definition aligned with ITRF97."
}

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9028, 'EPSG', 9028, 'None', 'None');

Definition: OGC WKT 2 (2019)

COORDINATEOPERATION["ITRF97 to IGS97 (1)",VERSION["IGS-Wld"],SOURCECRS[GEODCRS["ITRF97",DYNAMIC[FRAMEEPOCH[1997]],DATUM["International Terrestrial Reference Frame 1997",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",4918]]],TARGETCRS[GEODCRS["IGS97",DYNAMIC[FRAMEEPOCH[1997]],DATUM["IGS97",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",9001]]],METHOD["Time-specific Position Vector transform (geocen)",ID["EPSG",1065]],PARAMETER["X-axis translation",0,LENGTHUNIT["centimetre",0.01],ID["EPSG",8605]],PARAMETER["Y-axis translation",0,LENGTHUNIT["centimetre",0.01],ID["EPSG",8606]],PARAMETER["Z-axis translation",0,LENGTHUNIT["centimetre",0.01],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,SCALEUNIT["parts per billion",1E-09],ID["EPSG",8611]],PARAMETER["Transformation reference epoch",1997,TIMEUNIT["year",31556925.445],ID["EPSG",1049]],OPERATIONACCURACY[0.0],USAGE[SCOPE["Geodesy."],AREA["World."],BBOX[-90,-180,90,180]],ID["EPSG",9028],REMARK["Scale difference in ppb where 1/billion = 1E-9 or nm/m. IGS97 is by definition aligned with ITRF97."]]