EPSG:6661

Latvian geodetic coordinate system 1992

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Latvijas Republikas Valsts zemes dienests (State Land Service of the Republic of Latvia) via EuroGeographics. http://crs.bkg.bund.de/crs-eu/

Revision date: 2023-03-01

Scope: Geodesy, topographic mapping.

Remarks: Densification of ETRS89 during the 1992 Baltic campaign. Replaced by Latvian coordinate system 2020 (datum code 1356).

Area of use: Latvia - onshore and offshore.

SimpleMap

WGS84 bounds:
28.24 55.67
19.06 58.09

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Definition: OGC Well Known Text

DATUM["Latvian_geodetic_coordinate_system_1992",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6661"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Latvian geodetic coordinate system 1992",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6661]]

Definition: ESRI Well Known Text

DATUM["D_Latvia_1992",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Latvian geodetic coordinate system 1992",
    "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
    },
    "scope": "Geodesy, topographic mapping.",
    "area": "Latvia - onshore and offshore.",
    "bbox": {
        "south_latitude": 55.67,
        "west_longitude": 19.06,
        "north_latitude": 58.09,
        "east_longitude": 28.24
    },
    "id": {
        "authority": "EPSG",
        "code": 6661
    }
}

Definition: GeoServer

6661-datum=DATUM["Latvian_geodetic_coordinate_system_1992",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6661"]]