EPSG:6678

Lao National Datum 1997

Attributes

Ellipsoid: Krassowsky 1940

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geographic Department

Revision date: 2008-06-24

Scope: Cadastre, engineering survey, topographic mapping.

Remarks: Replaces Lao 1993.

Area of use: Laos.

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WGS84 bounds:
107.64 13.92
100.09 22.5

Laos.
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Definition: OGC Well Known Text

DATUM["Lao_National_Datum_1997",
    SPHEROID["Krassowsky 1940",6378245,298.3,
        AUTHORITY["EPSG","7024"]],
    AUTHORITY["EPSG","6678"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Lao National Datum 1997",
    ELLIPSOID["Krassowsky 1940",6378245,298.3,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6678]]

Definition: ESRI Well Known Text

DATUM["D_Lao_National_Datum_1997",
    SPHEROID["Krasovsky_1940",6378245.0,298.3]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Lao National Datum 1997",
    "ellipsoid": {
        "name": "Krassowsky 1940",
        "semi_major_axis": 6378245,
        "inverse_flattening": 298.3
    },
    "scope": "Cadastre, engineering survey, topographic mapping.",
    "area": "Laos.",
    "bbox": {
        "south_latitude": 13.92,
        "west_longitude": 100.09,
        "north_latitude": 22.5,
        "east_longitude": 107.64
    },
    "id": {
        "authority": "EPSG",
        "code": 6678
    }
}

Definition: GeoServer

6678-datum=DATUM["Lao_National_Datum_1997",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6678"]]