EPSG:6121

Greek Geodetic Reference System 1987

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: L. Portokalakis; Public Petroleum Corporation of Greece

Revision date: 2022-12-12

Scope: Topographic mapping.

Remarks: Replaced (old) Greek datum. Oil industry work based on ED50.

Area of use: Greece - onshore.

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WGS84 bounds:
28.3 34.88
19.57 41.75

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Definition: OGC Well Known Text

DATUM["Greek_Geodetic_Reference_System_1987",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6121"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Greek Geodetic Reference System 1987",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6121]]

Definition: ESRI Well Known Text

DATUM["D_GGRS_1987",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Greek Geodetic Reference System 1987",
    "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
    },
    "scope": "Topographic mapping.",
    "area": "Greece - onshore.",
    "bbox": {
        "south_latitude": 34.88,
        "west_longitude": 19.57,
        "north_latitude": 41.75,
        "east_longitude": 28.3
    },
    "id": {
        "authority": "EPSG",
        "code": 6121
    }
}

Definition: GeoServer

6121-datum=DATUM["Greek_Geodetic_Reference_System_1987",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6121"]]