EPSG:4146

Kalianpur 1975

Available transformations
to EPSG:4326
No other targets exist for this CRS

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 7 stations. Accuracy 12m, 10m and 15m in X, Y and Z axes. Care! DMA ellipsoid is inconsistent with EPSG ellipsoid - transformation parameter values may not be appropriate. Also source CRS may not apply to Nepal.

Information source: U.S. Defense Mapping Agency TR8350.2 revision of August 1993.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Kalianpur 1975

Datum: Kalianpur 1975

Ellipsoid: Everest 1830 (1975 Definition)

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2004-01-06

Scope: Geodesy.

Remarks: Adopts 1975 metric conversion of 0.3047995 metres per Indian foot.

Area of use: India - mainland onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Center coordinates
82.78 21.76

WGS84 bounds:
68.13 8.02
97.42 35.51

India - mainland onshore; Nepal.
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Definition: OGC Well Known Text

GEOGCS["Kalianpur 1975",
    DATUM["Kalianpur_1975",
        SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255],
        TOWGS84[295,736,257,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4146"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Kalianpur 1975",
    DATUM["Kalianpur 1975",
        ELLIPSOID["Everest 1830 (1975 Definition)",6377299.151,300.8017255,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["India - mainland onshore."],
        BBOX[8.02,68.13,35.51,97.42]],
    ID["EPSG",4146]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Kalianpur_1975",
    DATUM["D_Kalianpur_1975",
        SPHEROID["Everest_Definition_1975",6377299.151,300.8017255]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6377299.151 +rf=300.8017255 +towgs84=295,736,257,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4146","+proj=longlat +a=6377299.151 +rf=300.8017255 +towgs84=295,736,257,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Kalianpur 1975",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Kalianpur 1975",
        "ellipsoid": {
            "name": "Everest 1830 (1975 Definition)",
            "semi_major_axis": 6377299.151,
            "inverse_flattening": 300.8017255
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "India - mainland onshore.",
    "bbox": {
        "south_latitude": 8.02,
        "west_longitude": 68.13,
        "north_latitude": 35.51,
        "east_longitude": 97.42
    },
    "id": {
        "authority": "EPSG",
        "code": 4146
    }
}

Definition: GeoServer

4146=GEOGCS["Kalianpur 1975",DATUM["Kalianpur_1975",SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255],TOWGS84[295,736,257,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4146"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6377299.151"
	"rf=300.8017255"
	"towgs84=295,736,257,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6377299.151 +rf=300.8017255 +towgs84=295,736,257,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6377299.151 +rf=300.8017255 +towgs84=295,736,257,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4146, 'EPSG', 4146, '+proj=longlat +a=6377299.151 +rf=300.8017255 +towgs84=295,736,257,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Kalianpur 1975",DATUM["Kalianpur_1975",SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255],TOWGS84[295,736,257,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4146"]]');