EPSG:1350

Ostenfeld Intermediate Datum

Attributes

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: The Danish Agency for Data Supply and Infrastructure, https://sdfi.dk

Revision date: 2023-05-10

Scope: Intermediate stage in transformations - not used otherwise.

Remarks: Created in 2022 to support intermediate CRS OS-IRF in the transformation of coordinates between the historic Ostenfeld system of Prussia and ETRS89. The data are reconstructions based on information synthesized in historical empirical transformations.

Area of use: Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river).

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WGS84 bounds:
10.16 54.8
8.37 55.47

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Definition: OGC Well Known Text

DATUM["Ostenfeld_Intermediate_Datum",
    SPHEROID["Bessel 1841",6377397.155,299.1528128,
        AUTHORITY["EPSG","7004"]],
    AUTHORITY["EPSG","1350"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Ostenfeld  Intermediate Datum",
    ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
        LENGTHUNIT["metre",1]],
    ID["EPSG",1350]]

Definition: ESRI Well Known Text

DATUM["Ostenfeld_Intermediate_Datum",
    SPHEROID["Bessel_1841",6377397.155,299.1528128]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Ostenfeld  Intermediate Datum",
    "ellipsoid": {
        "name": "Bessel 1841",
        "semi_major_axis": 6377397.155,
        "inverse_flattening": 299.1528128
    },
    "scope": "Intermediate stage in transformations - not used otherwise.",
    "area": "Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river).",
    "bbox": {
        "south_latitude": 54.8,
        "west_longitude": 8.37,
        "north_latitude": 55.47,
        "east_longitude": 10.16
    },
    "id": {
        "authority": "EPSG",
        "code": 1350
    }
}

Definition: GeoServer

1350-datum=DATUM["Ostenfeld_Intermediate_Datum",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1350"]]