EPSG:6135

Old Hawaiian

Attributes

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: http://www.ngs.noaa.gov/ (NADCON readme file).

Revision date: 2022-12-12

Scope: Topographic mapping.

Remarks: Hawaiian Islands were never on NAD27 but rather on Old Hawaiian Datum. NADCON conversion program provides transformation from Old Hawaiian Datum to NAD83 (original 1986 realization) but making the transformation appear to user as if from NAD27.

Area of use: United States (USA) - Hawaii - main islands onshore.

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WGS84 bounds:
-154.74 18.87
-160.3 22.29

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Definition: OGC Well Known Text

DATUM["Old_Hawaiian",
    SPHEROID["Clarke 1866",6378206.4,294.978698213898,
        AUTHORITY["EPSG","7008"]],
    AUTHORITY["EPSG","6135"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Old Hawaiian",
    ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6135]]

Definition: ESRI Well Known Text

DATUM["D_Old_Hawaiian",
    SPHEROID["Clarke_1866",6378206.4,294.978698213898]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Old Hawaiian",
    "ellipsoid": {
        "name": "Clarke 1866",
        "semi_major_axis": 6378206.4,
        "semi_minor_axis": 6356583.8
    },
    "scope": "Topographic mapping.",
    "area": "United States (USA) - Hawaii - main islands onshore.",
    "bbox": {
        "south_latitude": 18.87,
        "west_longitude": -160.3,
        "north_latitude": 22.29,
        "east_longitude": -154.74
    },
    "id": {
        "authority": "EPSG",
        "code": 6135
    }
}

Definition: GeoServer

6135-datum=DATUM["Old_Hawaiian",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6135"]]