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Unit: Clarke's foot
Geodetic CRS: Jamaica 1875
Datum: Jamaica 1875
Ellipsoid: Clarke 1880
Prime meridian: Greenwich
Data source: EPSG
Information source: Survey Department, Government of Jamaica, 1983.
Revision date: 1995-06-02
Scope: Cadastre, engineering survey, topographic mapping (large and medium scale).
Remarks: Replaced by JAD69 / Jamaica National Grid (CRS code 24200).
Area of use: Jamaica - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: ftCla.
&stroke=red&width=2&path=17.64,-78.43|18.58,-78.43|18.58,-76.17|17.64,-76.17|17.64,-78.43)
Center coordinates
445824.17 440025.54
Projected bounds:
52117.09 269285.63
838982.89 612517.9
WGS84 bounds:
-78.43 17.64
-76.17 18.58
Definition: OGC Well Known Text
PROJCS["Jamaica 1875 / Jamaica (Old Grid)", GEOGCS["Jamaica 1875", DATUM["Jamaica_1875", SPHEROID["Clarke 1880",6378249.14480801,293.466307655636, AUTHORITY["EPSG","7034"]], AUTHORITY["EPSG","6241"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4241"]], PROJECTION["Lambert_Conformal_Conic_1SP"], PARAMETER["latitude_of_origin",18], PARAMETER["central_meridian",-77], PARAMETER["scale_factor",1], PARAMETER["false_easting",550000], PARAMETER["false_northing",400000], UNIT["Clarke's foot",0.3047972654, AUTHORITY["EPSG","9005"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","24100"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Jamaica 1875 / Jamaica (Old Grid)", BASEGEOGCRS["Jamaica 1875", DATUM["Jamaica 1875", ELLIPSOID["Clarke 1880",20926202,293.466307655636, LENGTHUNIT["Clarke's foot",0.3047972654]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4241]], CONVERSION["Jamaica (Old Grid)", METHOD["Lambert Conic Conformal (1SP)", ID["EPSG",9801]], PARAMETER["Latitude of natural origin",18, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-77, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",550000, LENGTHUNIT["Clarke's foot",0.3047972654], ID["EPSG",8806]], PARAMETER["False northing",400000, LENGTHUNIT["Clarke's foot",0.3047972654], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["Clarke's foot",0.3047972654]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["Clarke's foot",0.3047972654]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large and medium scale)."], AREA["Jamaica - onshore."], BBOX[17.64,-78.43,18.58,-76.17]], ID["EPSG",24100]]
Definition: ESRI Well Known Text
PROJCS["Jamaica_1875_Old_Grid", GEOGCS["GCS_Jamaica_1875", DATUM["D_Jamaica_1875", SPHEROID["Clarke_1880",6378249.14480801,293.466307655636]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",550000.0], PARAMETER["False_Northing",400000.0], PARAMETER["Central_Meridian",-77.0], PARAMETER["Standard_Parallel_1",18.0], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",18.0], UNIT["Clarke's foot",0.3047972654]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Jamaica 1875 / Jamaica (Old Grid)", "base_crs": { "name": "Jamaica 1875", "datum": { "type": "GeodeticReferenceFrame", "name": "Jamaica 1875", "ellipsoid": { "name": "Clarke 1880", "semi_major_axis": { "value": 20926202, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, "semi_minor_axis": { "value": 20854895, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4241 } }, "conversion": { "name": "Jamaica (Old Grid)", "method": { "name": "Lambert Conic Conformal (1SP)", "id": { "authority": "EPSG", "code": 9801 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 18, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -77, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 550000, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 400000, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } ] }, "scope": "Cadastre, engineering survey, topographic mapping (large and medium scale).", "area": "Jamaica - onshore.", "bbox": { "south_latitude": 17.64, "west_longitude": -78.43, "north_latitude": 18.58, "east_longitude": -76.17 }, "id": { "authority": "EPSG", "code": 24100 } }
Definition: GeoServer
24100=PROJCS["Jamaica 1875 / Jamaica (Old Grid)",GEOGCS["Jamaica 1875",DATUM["Jamaica_1875",SPHEROID["Clarke 1880",6378249.14480801,293.466307655636,AUTHORITY["EPSG","7034"]],AUTHORITY["EPSG","6241"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4241"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",18],PARAMETER["central_meridian",-77],PARAMETER["scale_factor",1],PARAMETER["false_easting",550000],PARAMETER["false_northing",400000],UNIT["Clarke's foot",0.3047972654,AUTHORITY["EPSG","9005"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24100"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_1=18 +lat_0=18 +lon_0=-77 +k_0=1 +x_0=167638.49597 +y_0=121918.90616 +a=6378249.14480801 +b=6356514.96620413 +to_meter=0.3047972654 +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_1=18 +lat_0=18 +lon_0=-77 +k_0=1 +x_0=167638.49597 +y_0=121918.90616 +a=6378249.14480801 +b=6356514.96620413 +to_meter=0.3047972654 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 24100, 'EPSG', 24100, '+proj=lcc +lat_1=18 +lat_0=18 +lon_0=-77 +k_0=1 +x_0=167638.49597 +y_0=121918.90616 +a=6378249.14480801 +b=6356514.96620413 +to_meter=0.3047972654 +no_defs +type=crs', 'PROJCS["Jamaica 1875 / Jamaica (Old Grid)",GEOGCS["Jamaica 1875",DATUM["Jamaica_1875",SPHEROID["Clarke 1880",6378249.14480801,293.466307655636,AUTHORITY["EPSG","7034"]],AUTHORITY["EPSG","6241"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4241"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",18],PARAMETER["central_meridian",-77],PARAMETER["scale_factor",1],PARAMETER["false_easting",550000],PARAMETER["false_northing",400000],UNIT["Clarke's foot",0.3047972654,AUTHORITY["EPSG","9005"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24100"]]');
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